OCT 2016 VOL. 18 ● NO. 5 ● ISSUE 166
VIP Voices Nepal Moves into Digital Technology
Tech Forum Key Technologies of IP RAN
Dinesh Kumar Thapaliya, secretary of MOIC and chairman of the board of Nepal Telecom
Special Topic IP RAN SDN Builds Elastic IP RAN CONTENTS ZTE TECHNOLOGIES OCT 2016
05 s
VIP Voices
05 Nepal Moves into Digital Technology Reporter: Ye Mu
Cumii: Bringing Connected Things and 08 Transformation to Africa Reporter: Zhang Ying 13 Telkom: Making a Great Leap in IPTV Reporter: Pan Xiaolin
Special Topic: IP RAN
17 SDN Builds Elastic IP RAN 08 By Zhu Yinan Seamless MPLS for Fast and Flexible Service 21 Deployment By Li Xinyu 25 IP RAN O&M Solution By Wang Chengfeng
ZXCTN 9000-E Series: High-End IP RAN 28 Helping Operators Thrive in the Pre5G Era By He Ping
13 ZTE TECHNOLOGIES
Advisory Committee Director: Chen Jane Deputy Directors: Xu Ming, Zhang Jianguo, Zhu Jinyun Advisers: Bao Zhongjun, Chen Jian, Cui Li, Fang Jianliang, Wang Xiang, Yang Jiaxiao 17 Editorial Board Director: Wang Xiang Deputy Director: Huang Xinming 35 Members: Bo Gang, Chen Zongcong, Cui Liangjun, Han Gang, Heng Yunjun, Huang Xinming, Liu Shouwen, Sun Jiruo, Wang Xiang, Ye Ce, Zhang chao, Zhou Yong
37 Sponsor: ZTE Corporation Edited By 2 Strategy Planning Department Editor-in-Chief: Wang Xiang OCT 2016 Deputy Editor-in-Chief: Huang Xinming ZTE Editorial Director: Liu Yang Executive Editor-in-Chief: Yue Lihua Editors: He Xi, Zhang Ying Circulation Manager: Wang Pingping
Tech Forum Address: NO. 55, Hi-tech Road South, Shenzhen, P.R.China 31 Key Technologies of IP RAN Postcode: 518075 Tel: +86-755-26775211 By Zhang Baoya Fax: +86-755-26775217 Website: wwwen.zte.com.cn/en/about/ publications Success StorieStories Email: [email protected]
Vivo Leads the LTE Market in Brazil with IP RAN A technical 35 AUG 2016 VOL. 18 Ȕ NO. 4 Ȕ ISSUE 165 magazine that keeps up with the latest By Wang Quanzhong VIP Voices industry trends, Orange Jordan: Simplify the Lives of Customers communicates Tech Forum OEID: A New Tag Technology in Opcal Wireless Communicaons leading technologies SLT’s Success in Fixed LTE Implementation Special and solutions, and NG-PON Topic 37 A Discussion of NG-PON shares stories of our Evolution Trends
By Gao Qin Olivier Wicquart, CTO of Orange Jordan customer success ZTE News
ZTE H1 2016 Results Net Profit Rises to RMB 1.76 Billion R&D Investment Ratio Close to 15%
25 August 2016, Shenzhen, China ― ordinary shares of the listed company rose will contribute to the sustainable ZTE Corporation (H share stock code: to RMB 1.77 billion for the six months development of the company. 0763.HK / A share stock code: 000063. ending 30 June 2016. Basic earnings per Looking into the second half SZ), a major international provider of share amounted to RMB 0.43. of 2016, ZTE will seek to grow by telecommunications, enterprise and The reported operating revenue for leveraging opportunities that arise as consumer technology solutions for the carriers’ networks business in H1 was the industry restructures. The company mobile internet, announced its results RMB 28.74 billion. Operating revenue will focus on major strategic directions: for the six months ending 30 June for government and enterprise business in-depth development of the carriers’ 2016. The company reported an overall amounted to RMB 4.61 billion. Operating market; value creation in government increase in operating revenue of 4.05% revenue for the consumer business and enterprise business; integration 37 to RMB 47.76 billion. amounted to RMB 14.42 billion. The and innovation in the consumer market, OCTSEP 2016 2016 ZTE reported a domestic operating net cash flow from operating activities and driving business development in revenue of RMB 27.8 billion, accounting reached RMB 2.36 billion, a year-on-year the virtuality, openness, intelligence, ZTE ZTE for just over 58% of overall operating increase of 56.17%. cloudification and the internet of revenue. International operating revenue In H1 2016, ZTE invested close everything (VOICE) sectors. They is RMB 19.95 billion, accounting for to 15%, or RMB 7.06 billion, of their will pursue mutually beneficial growth almost 42% of the group’s overall total revenue in R&D, the largest such with customers, partners and other operating revenue. investment the company has made to stakeholders, to create a beneficial, Net profit attributable to holders of date. Continued investment in R&D digital ecosystem for the industry.
ZTE Announces New M-ICT 2.0 Strategy for the Digital, Open, Sharing Economy
25 August 2016, Shenzhen, China ― key trends ZTE believes will play critical they develop products and services. ZTE published a white paper on its M-ICT roles in the ongoing global economic “Guided by the strategies and 2.0 strategy and vision that will guide the transformation to an open, sharing, digital solutions embodied in M-ICT 2.0, company for the next five years. economy. These trends are virtuality, ZTE will drive rapid, sustainable ZTE’s M-ICT 2.0 strategy is designed openness, intelligence, cloudification development of the global ICT to help businesses seize opportunities in and the interconnection of everything. industry,” said Dr. Zhao Xianming, an economy defined by the emergence of These trends encapsulated in the acronym CEO of ZTE. “As we capitalize on the the sharing economy and the vast use of VOICE will drive innovative collaboration VOICE trends, we’ll be boldly trying peer-to-peer networks, and dependent on and concurrent advances across various new business models, while reinventing the pervasive range of cloud computing fields. Over the next five years, ZTE will existing practices to capture major platforms and services. focus on VOICE and the individual and market opportunities for ZTE, our Underpinning M-ICT 2.0 are five interconnected impacts of each trend as partners and customers.” ZTE News
ZTE Assists Operators to Construct the Strongest Networks
China Unicom and ZTE Sign Strategic 5 September 2016, Shenzhen, Cooperation Agreement on Joint 5G China ― ZTE has announced that its customer, Hutchison Drei and IoT Innovation Austria, has beaten six competitors in the service experience score 16 August 2016, Shenzhen, China on application scenarios, product (SES), the largest service survey ― ZTE announced that a signing demands, service applications, market from a customer perspective, to ceremony for a strategic cooperation development and other related fields. retain the title of mobile “Service agreement on joint 5G and internet They will also look at possible future Champion”. The SES covers 193 of things (IoT) innovation has been directions of 5G and IoT and aim to companies in 25 industries, with held with China Unicom. Shao achieve research results that meet more than 55,000 customers rating Guanglu, deputy general manager of network development and evolution their service experience, and China Unicom and Xu Huijun, CTO requirements for new business serves as a reliable measurement of ZTE Corporation, attended the models. They focus on research of customer service and loyalty. ceremony and signed the agreement. and investment in 5G network In another test organized by 4 Emphasizing their own capabilities, architecture, mobile-edge computing, smartphone magazine and network OCT 2016 in line with national innovation and cross-layer optimization, bearer evaluation software FLOQ, Drei ZTE corporate development strategies, and other key 5G technologies to topped all other competitors both parties will work closely promote 5G development strategies again and was awarded as “Best together in the fields of 5G and IoT and standardization, and also conduct Network”. to foster a sound ecosystem and research and experimental verification Since 2010, ZTE has promote sustainable development of of key IoT technologies and implement modernized the entire mobile the industry. research and development of service network of Hutchison Drei China Unicom and ZTE will solutions and products to promote Austria, including its 2G/3G/4G/ work together to develop cooperative technological development and CN. In 3rd party network projects and conduct research industrial cooperation. performance tests over the past few years, Hutchison Drei Austria consistently comes out as the top performer. It topped the network ZTE Completes Phase-1 5G Testing performance evaluation for the first time in 2011, and recorded 29 August 2016, Shenzhen, China user shared access, new waveforms, another first in 2012. In September ― ZTE announced the successful and MIMO. 2015, the 3rd party consultant completion of phase-1 tests of key company OpenSignal organized 5G wireless technologies as part of a network evaluation on 183 LTE China’s 5G testing. The company networks, among which Hutchison took the lead in verifying key 5G high Drei Austria network ranked one and low frequency technologies, and of the top 10; and in the same year, passed all tests of multiple key air it topped the CONNECT test in interface technologies, including high- Austria and ranked number two in frequency communications, multi- 10 operators of the DHCA area. vIP Voices
57 OCTSEP 2016 ZTEZTE
Dinesh Kumar Thapaliya, secretary of MOIC and chairman of the board of Nepal Telecom Nepal Moves into Digital Technology
Reporter: Ye Mu vIP Voices
inistry of Information and areas where MOIC is serious. Communications is governmental body of Nepal that manages postal What are some major milestones that Nepal services, telecommunications, Telecom has achieved? broadcasting, press & information and film development in Nepal Telecom is a state-owned telecom service Mthe country. Nepal Telecom, a state owned provider. It has been providing almost all licensed telecommunication service provider in Nepal, is the sole telecom services in Nepal and serving all parts of provider of fixed line, ISDN and leased-line services the country. From its inception, started with magneto with more than 10 million users in Nepal. Recently, ZTE system, central battery (CB) exchange and cross bar Technologies interviewed Dinesh Kumar Thapaliya, system, Nepal Telecom made a strategy to move secretary of MOIC and chairman of the board of Nepal into digital technology. Over the last 25 years, all Telecom. He shared with us the development of telecom transmission networks, such as microwave, satellite and sector in Nepal, major milestones of Nepal Telecom, fiber, are based on digital technology. current status of Nepal Telecom’s network, his criteria Currently, Nepal Telecom is providing PSTN to choose suppliers, 4G strategy and plans for smart service through digital exchanges, cellular mobile city. He also talked about his expectations for ZTE and service on CDMA 1X and EVDO, and 2G and 3G 6 his vision for Nepal’s telecom sector. GSM. It is in the process of migrating its TDM- OCT 2016 based PSTN system to IP-based PSTN service, which ZTE How can MOIC accelerate the development incorporates voice, data and multimedia services. Nepal of telecom sector in Nepal? Telecom will leapfrog to the latest 4G-based wireless services–LTE very soon. Now, a transmission network The main objective of the Ministry is to develop for 4G services is under construction. and expand the information and communication sector to the rural level in the form of infrastructure What is current status of Nepal Telecom's for social and economic development through wide network? What challenges do you face as spread participation of the private sector as well with per your role? emphasis on the dissemination of information and communication technology. The demand for more networks is increasing and Also, the Ministry plays its roles to make the the customer expectation for better quality is growing information and communications sector active so as rapidly. The major challenge of Nepal Telecom is to preserve various aspects of national identity and to implement projects on time to meet customer significance, as well as to secure people’s participation, expectations. We have prepared a detailed work plan to international cooperation and goodwill in the process complete our targets. of all round development of the nation by creating public awareness. What criteria do you use to select suppliers? To develop telecom sector further in Nepal, MOIC How will you improve the supplier brings a favorable regulatory framework with proper management? licensing, which enables telcos of Nepal to leapfrog on the latest communication technologies using minimum Nepal Telecom is following procurement guidelines capital investment and operational expenses. Technology and procedures approved by the government of Nepal. neutral on licensed frequencies, infrastructure sharing, We have a standard procurement process by which usage of rural telecom development funds are main equipment and partners are evaluated and selected vIP Voices
ZTE provides a landmark cooperation in which Nepal Telecom and ZTE can both get benefits in terms of time, resources and technologies by working together in this sector.
based on experience of system implementation and of mid-hill highway in the country. Nepal Telecom is quality of products. planning to provide connectivity to those cities through Our past experience shows that major projects optical fiber links. Ten cities in southern belt (Terrai) implementation is delayed due to various reasons. will be enhanced to make modern cities with modern Besides natural disasters and disturbances in the facilities, like communication infra, green city, and country, we have noticed that some suppliers are smart city. 77 deviating from commitments signed in the contracts. OCTSEP 2016 There are various reasons for this, which will be How do you evaluate ZTE's team and solution? addressed in our new contracts. How would you like ZTE to contribute to Nepal ZTEZTE Telecom's network solution? As 4G is expected to be implemented soon in Nepal, what is your strategy to deploy ZTE has been providing core and network systems 4G? to Nepal Telecom mainly in GSM and CDMA services for a long time. With growing demand for data services, the To upgrade and enhance the capacity, increase the next solution is to move to 4G deployment. Taking network quality and deploy new technologies of next technological advantages of the existing 3G service, generation, ZTE provides a landmark cooperation in Nepal Telecom is planning to move forward by which Nepal Telecom and ZTE can both get benefits in deploying 4G services in the country. For this terms of time, resources and technologies by working purpose, Nepal Telecom has been conducting study together in this sector. Quality of products and quality of visits, participating in various 4G/LTE forums and service are expected with more commitments on action. discussing with solution providers for an efficient and effective rollout of LTE services in the country. What is your vision for the future of telecom sector in Nepal? Do you have any plan for deploying smart city solution in Nepal? Telecom sector is growing fast and changing overnight. To provide quality services and deploy The government of Nepal has set a national agenda the latest technologies in this sector, MOIC is always to develop smart cities. As per the budget, a master providing guardianship to Nepal Telecom for delivering plan will be prepared to develop Kathmandu, Lumbini quality service to its customers. Therefore, the sole and Nijgadh as smart cities. vision of the MOIC is to lead telecom sector in Nepal by Moreover, the government of Nepal has plans for providing innovative ideas and the latest technologies. developing modern satellite cities in different parts vIP Voices
8 OCT 2016 ZTE Cumii: Bringing Cumii:Connected Thingsand BringingTransformation Connected to AfricaThings Reporter:and Zhang YingTransformation to Africa
Reporter: Zhang Ying
Norman Moyo, CEO of Cumii
Norman Moyo, CEO of Cumii vIP Voices
umii is a Pan-African IoT company that achieved in Nigeria with Celtel where I worked focuses on disruptive technology that as CMO. transforms Africa. Its philosophy and DNA is built from the internet of things (IoT) , Could you introduce us to Cumii? machine to machine (M2M) and big data. Recently, ZTE Technologies interviewed Cumii is a Pan-African IoT company. At the CNorman Moyo, CEO of Cumii. He shared with us moment, what we focus on is three major verticals: his career history and business philosophy, Cumii’s connected cars, connected homes, and connected health. performance of 2015, the solutions and services of At Cumii, we specialise in disruptive technologies Cumii, and the opportunities for IoT sector. He also that transform lives, businesses and the global economy. talked about his comments on ZTE and his vision for Our philosophy and DNA is built from IoT , M2M and Cumii as well. big data. Why did we choose those three verticals? It is because they are very relevant to the continent, You were awarded the prestigious Global and they would create a lot of value for Africa. What Telecoms “Top 40 under 40 Telecoms we need in Africa is things that impact our patterns Leadership Award”. Could you tell us your of life, improve the quality of our lives, and enhance career history? public health and productivity. I believe our connected car, connected home and connected health can meet 97 Yes. I started my career in telecommunication in all of these requirements. 1998. I think that is the very beginning of the telecom OCTSEP 2016 sector in Africa. I used to work for Econet in Zimbabwe How would you assess the performance of ZTEZTE before I started my Pan-Africa voyage which took Cumii in 2015? me to Zambia (Celtel), Nigeria (Celtel/Zain), Bahrain (Zain), and Tanzania (Etisalat/Helios Towers). After Cumii was established in 2014 starting with working in Southern, East and West Africa, I have paid connected car in Zimbabwe, but it has grown substantive school fees that accord me the title of a significantly across the continent. The business follows diverse Pan-African business manager. The years I spent a unique smart partnering model, working directly with in Nigeria in particular were very fulfilling. I guess I mobile network operators in Africa who already have could say that I earned my second MBA in managing unique business to consumer relationships. Cumii’s business in Nigeria, one of the most sophisticated and first major commercial agreement was with Vodacom highly rewarding places to do business in Africa. I have in Tanzania, which would be expected to transform been fortunate to be involved in the GSM industry fleet management environment for both corporates and in the late 1990s, at the very onset of the industry. I government alike. was also at the forefront of the emergence of a fully In 2015, we signed up a number of partnerships with fledged tower companies and worked as a CEO for some big operators and technology partners in Africa. Helios Tanzania, which was the largest towerco in These partnerships are very important to us. We have Africa outside Nigeria then. Now I am back within built an ecosystem to deliver unique services to our Econet Group and spearheading the first fully fledged customers in a smart and effective way. We try not to do Pan-African IoT company, offering connected cars, all things to all people, but do those things we can do connected home, and connected health. When I was better than anyone in the world. working in Nigeria as a team leader, our team managed One thing I would like to mention is our execution to achieve some very exciting achievements. This is capability that makes Cumii very unique. To deliver one of the reasons why I have been nominated “Top IoT in Africa, we need to execute very differently to 40 under 40 Telecoms Leadership Award” by GTB. It overcome the difficult terrain we face in the continent. is really a high recognition of our big success that we Every country in Africa is different and unique, which vIP Voices
10 OCT 2016 ZTE requires high level of technology and expertise to deploy platform which is going to make it easier for African and integrate services. We created an IoT execution to do business. platform called Technite, where industrial engineers, auto engineers, technicians, and other skilled people across What kind of solutions and services do you Africa can be easily accessed on an application. Technite offer? How have African markets responded is like your equivalent of Uber only that on the other side to them? of the app. We have a highly skilled installer capable to install connected home system, fleet tracking devices, Connected car is not necessarily a new phenomenon fibre to home, satellite in home, and business monitoring in Africa because tracking services have been around systems. Any customer in Africa should be able to open for a while. However, we are reengineering fleet the app on his phone and search for a nearest installer. management and personal vehicle management in The system will scan and allocate the nearest pre-vetted, a progressive and disruptive manner using our big trained and accredited installer to undertake the required data analytics platform. Companies are keen on installation once we launch services in that country. This enjoying nearly 25% fuel and maintenance savings is a very unique aspect which will create significant over and above other services, such as geo fencing economies of scale, skill and expertise, improve services, which report vehicles that stray away from productivity of companies, and reduce installation costs defined routes. Connected car has been well received, for customers. We have registered more than 1000 highly particularly by insurance companies. They like the skilled installers in 17 countries in Africa, and we are tracking device because it can give them a lot of targeting to grow this to 10,000 and creating equally the information about driver behavior and distance travelled, same entrepreneurial opportunities. and mitigate against fraudulent claims. Governments We seek to embrace IoT and disrupt our ways in Africa are keen to use this technology to connect of working for the better. We have created a new all public passenger carrying buses to monitor driver vIP Voices
behavior, thereby reducing public transport accidents. time. Mr. Mwangi will also receive periodic health For example, after we shared the concept with the tips on how to improve his readings and stay healthy. Tanzanian’s SUMATRA agency, they have since If indeed the doctor notices anything untoward on the released a tender to connect all public vehicles in the readings, there is a “dial a doc” service or the doctor country. We expect the trend to continue in different will recommend a check up. A single innovation here parts of the continent. has eliminated the need for Mr. Mwangi to jump into a Connected home is an integrated alarm and security bus to visit a nearby clinic, which probably would cost system (sensors and cameras) that comes with home him $50, and possibly another $20 to see a doctor plus energy automation features like remote light switches, medicines. We are offering this service on a monthly power consumption monitoring, and air conditioner subscription service below $5 per month, and payments control. Connected home helps homes and small are all integrated to the MPesa/Eco cash mobile businesses reduce their energy costs substantially, and platforms. This is the power of very relevant localized improve security both at home and at their business application of IoT to the health sector in Africa. You can premises. A mother with a connected app in her hands imagine other services we can integrate to this platform can monitor the welfare of her children at home by and the benefits that can accrue to health planners from tapping onto her phone, switch off and switch on the big data. lights, even better still define simple rules such as air conditioner and lights should be switched off as soon as What opportunities do you identify in IoT? 117 a room is empty. Imagine the amount of power we save in both public and private institutions if all lights and Beyond connected car, connected home, and OCTSEP 2016 air conditioners were sensor monitored. Considering connected health, there are a lot of opportunities. By its ZTEZTE the catastrophic and paralyzing effect of poor power or nature, IoT is extremely broad. What Cumii is trying to dirty power situation in Africa, any technology that has do is to find those opportunities that meet the market potential to reduce 40% consumption of power from needs in Africa. We want to help the ordinary men in a business or a home has potential to create a seismic the street, the business men improve their business effect to the continent’s economy. Africa sometimes performance, the minister of health who is trying to suffers more from inefficient use of a scarce resource transform the health sector, and the minister of education like power. Intelligent technology can help and IoT who is trying to use technology to improve the quality provides the answer in the short to medium term. of education. Connected agriculture is also a good Cumii believes that there are three things that will opportunity. We are expanding our product roadmap to transform the continent, telecoms, power and health include animal tracking. Cows matter to Africa and are sector. Cumii Health as a business is an integrated a valuable investment and asset to ordinary farmers. health sector platform in the IoT space. Cumii’s first Those are things we are looking for. We will only offering evolves around wellness monitoring products. focus on those verticals that will create the most Our first focus was to tackle one of Africa’s “silent” transformation for Africa and certainly a service that killers, blood pressure and diabetes. Our IoT platform will enable a housewife to open and close curtains while is leapfrogging the continent towards a smart health sitting in their office. It will only come in a little later continent without the huge infrastructure investment down the pipeline. most countries have made. Let me better illustrate it for you this way. We are going to connect Mr. Mwangi in What is your business philosophy? a remote village in Kenya with a sim enabled device to measure his chronic blood pressure, his readings First, I like to find and do things that I’m very will be sent to his daughter’s phone in the city, and passionate about; this is very important. I want to find simultaneously to a medical specialist who will monitor what my team is passionate about, and when we find if his readings are within acceptable levels in real it, we follow it through fanatically. I wrote about these vIP Voices
in my book, Rumble in the Jungle, Leadership from an the equipment and technology point of view. ZTE has African Perspective. Second, we have to understand got a massive Pan-Africa footprint, and Cumii is a what business we are in. What is the very thing that Pan-Africa player, so we immediately see a strategic Cumii can do better than any company in the world? The overlap in the countries that ZTE operates and the same answer is: we can be the best IoT company in Africa. countries that Cumii aspires to play. That is a good That’s how we become very unique. I believe we can do opportunity right there. Let’s just work together. our business very well, because we combine the best of Second, ZTE has got technology and good capacity global technology, we get the knowledge of the African to scale up. We want to be able to leverage on that market, and we can open many partnerships in Africa. technology and capacity to scale up. ZTE has not only The third thing is to understand the one thing that facilities but also actual networking experience. That’s 12 drives our business. What is that one thing? For Cumii why we choose ZTE as one of our key strategic partners OCT 2016 today, it is just achieving a smart connection. We like to for IoT. connect machine to machine, man to man, and machine Third, I have been to ZTE headquarters three times ZTE to mobile. For the next 36 months, getting a smart over the past 10 years. When I came here the first time, connection is what we will intensely focus on. there were very few IoT products or services on offer. The last but not least, my philosophy is about Now, I found that ZTE has moved very far from where I smart business and smart partnering. I always believe last left. For me, this is the kind of direction I’m keen on in working smart, not working hard. I encourage my to build on. team to learn to work smarter, which means we have to ZTE is customer-oriented. It is flexible and sensitive leverage on people and companies who are good at what to customer needs in different markets. ZTE can provide they do, not trying to do things that others can do better various solutions and quality services for customers than us. Always looking for a good horse to ride on, we according to their painpoints. That is very exciting for try to build a very lean and agile organization which is me. I’m happy with it. a very small, experienced and qualified team, working with our smart partners. We are going to establish an What is your future vision for Cumii? ecosystem with smart partners to deliver what we want to deliver for our customers. For me, I believe we are We want to be one of the most successful Pan-Africa the next generation organization, and what we need to IoT companies in Africa, and we want to help Africa do is continue to focus on executing well. leapfrog in the next generation. We are very interested in transforming African through technology. I think that How do you comment on ZTE’s technologies is what we are going to do. and solutions? What are your expectations for IoT can be adopted in all industries, whether it is the cooperation with ZTE? health, agriculture, or education; we cut across all these sectors. Our vision is to become one of the biggest First, in Africa, ZTE has become one of the strongest enablers of the next revolution in the continent. That is and trusted technology brands today, particularly from our aspiration. Telkom: Making a Great Leap in IPTV
Reporter: Pan Xiaolin
137 OCTSEP 2016 ZTEZTE
Joddy Hernady, project director for TV-Video Business of Telkom vIP Voices
Making a Great elkom, the largest telecom services are the main issues and challenges faced company in Indonesia, increased its by operators in Asia right now? How do you IPTV subscriber base from less than 100 think Telkom can compete in the current Leap in IPTV thousand to one million with the partnership challenging environment? of ZTE in 2015. This year Telkom has set up a more aggressive target to develop three If we are talking about network and service Tmillion IPTV users. ZTE Technologies interviewed transformation, three key things will become our Joddy Hernady, project director for TV-Video Business challenges: people, process and technology. And of Telkom. He shared Telkom’s IPTV strategy and its amongst this, people are the most important one cooperation with ZTE. because people will drive to change the process, tools and technology. We are now entering the internet and Telkom is the largest telecom services digital era, many new internet players have been born, company in Indonesia that provides mobile, and many of them are threatening the telco’s traditional internet and data services. What are the services. We are being disrupted now. The answer for keys to your competitive advantages and this is we need to go to other industries and build a leading position? new arena to sustain our growth. Internet has changed 14 everything. There is no border any more amongst OCT 2016 The key reason why Telkom has been the No.1 industries. What we have now is a new arena or a new ZTE operator for so long is that we have completely digital ecosystem involving so many industries. Hence, integrated services ranging from fixed to mobile data we need new people who understand this trend, and and videos. The Indonesian telecom market is basically we need people from various background and various a mobile market and Telkom owns the biggest share. industries as well. This is a big challenge for all telcos Telkom is also the only operator in Indonesia that who are almost from homogeneous background with provides both fixed and mobile services covering the relatively old people. whole Indonesia. With the vast infrastructure coverage Our company is also facing this situation. To we have established a large sales and operation team overcome this, we are strengthening our organization throughout the country. We can leverage this advantage by putting more resources into digital business. We for both off-line and online services. The current will create a new digital business department under online hotel booking is not available for all hotels in Director Digital and Strategic Portfolio. With the digital Indonesia except for star hotels in big cities. However, organization, we will explore more our key capabilities Telkom’s sales staff throughout Indonesia can help so that we can leverage all our mediation capabilities non-star hotels offer online services. The large sales such as payment, big data and digital advertising to team can give us more chances to cooperate with more improve internal process effectiveness, strengthen our companies that usually cannot be approached by online core products, and help other companies develop their players. This advantage will certainly support our on- businesses. We want to be the best platform enabler for line services that will be created in the very near future the new digital ecosystem in Indonesia We will also so that we are able to compete with online/internet explore the areas in which Telkom can enter digital players in online services. services and provide amazing digital experience to our customers. To gain an upper hand in the market, In the process of transforming our network and operators are thinking of transforming their infrastructure, we have to see the global trend. We services and networks. What do you think believe that everything will be based on video in the vIP Voices
Telkom and ZTE have worked so closely that our subscriber base has increased from less than 100 thousand to one million. No other pay TV operators in Indonesia could achieve the same result in one year.
future. Video consumption will increase from partner for IPTV. time to time and this is a global trend. Our However, we slowed down the pace of IPTV current network and infrastructure is not ready development in 2012 until 2014, because we started for videos, so we are moving to change it based developing TV business focusing on internet services on internet and video-centric concept. This is a like OTT. After two years we found out the direction new challenge for us because we need to learn was not absolutely right. Since 2015, we have adjusted new technologies and also to change supporting our video strategy and started to deploy IPTV as systems, processes and the mind of people. With a bundle of services with broadband and voice to 157 a video-centric network and infrastructure, we increase our customer base. The bundled service brand OCTSEP 2016 will be able to deliver all digital services in very is IndiHome. We offer free 1000-min call for voice, ZTEZTE good quality and best experience. several broadband packages that customers can choose, Since we are not strong in R&D as other with the lowest one being 10 MB per second of mainstream operators, we are trying to follow internet, and more than 100 TV channel options. With them in selecting major new technologies. current 4 million broadband users, we are ambitious to For example, it is completely new for us to develop our key voice and broadband users into IPTV implement fiber to the home, so to get a better users. IPTV is used as a tool for customer retention, know-how, we are cooperating with three but we will develop additional features such as OTT leading Asian telecom operators China telecom, video and advertising platform to make IPTV as a new SK telecom, and NTT this year. We want to keep revenue driver. up with the benchmark of their technologies, business process and people’s capability. This is How would you comment on the cooperation not easy but necessary. so far, and how is Telkom benefiting from it?
Why did Telkom select ZTE as its partner Telkom and ZTE have worked so closely that for IPTV? How does IPTV fit in Telkom’s our subscriber base has increased from less than 100 overall business strategy? thousand to one million. No other pay TV operators in Indonesia could achieve the same result in one Telkom started its IPTV project in 2010. ZTE year. We have got full support from ZTE in terms of was among top 5 global vendors at that time. capacity, expansion, and platform development. This With its advanced, proven technology, ZTE owns year we have set up a more aggressive target to develop extensive experience in IPTV. Also ZTE offered three million IPTV users, and by 2020 we will target the most favorable commercial conditions. These to increase up to 16 million Indihome users. ZTE is are the main factors we selected ZTE as our supporting us well for our IPTV development. In our vIP Voices
R&D, we have established a joint innovation center. In out to be a success. But in practical implementation, our operation, ZTE has put resources to work with us on we should consider the readiness of a 4K ecosystem. platform development, operation and maintenance. We have to make sure our users have the 4k television before we provide 4k content. We are in the process of Can you briefly describe your IPTV negotiating with some 4K content providers and we will service offerings and how customers have have at least two 4K channels in 2016. We are also in responded? the process of making 4K miniseries in cooperation with local production house. We will invite our famous actors Currently, we have more than 100 IPTV linear who play in Raid and Star Wars to be key actors for the channels bundled with voice and broadband. We can 4K miniseries. In 2015, Telkom and ZTE established a also provide video on demand, karaoke and home strategic collaboration by setting up a joint innovation shopping. 300 video channels on demand will be center (JIC) for big video (IPTV and OTT) in Indonesia. added next month, and more new features such as OTT The JIC will be responsible for creating the latest services will be added so that our customers will have technologies, seeking valuable partners, and developing more and better choices. and operating new value-added services. 16 Telkom is a leading operator that provides affordable OCT 2016 bundled services to meet user needs. There are a plenty What do you think can ZTE improve to ZTE of opportunities and potentials to develop home video create more value for Telkom’s development entertainment because we have around 60 million in the future? households in Indonesia. Our challenge now is not on the demand but on the supply itself. How can we deploy The success of Indihome has given an impetus to our fiber infrastructure quickly to serve our growing operators in Indonesia who plan to offer IPTV services. customers? Starting this year, we will introduce TV and To take the lead and be more competitive in the market, video services based on IPTV and OTT technologies. Telkom needs to add more features and services to the Both IPTV and OTT services will be integrated in one platform and make its content distinctive that improves set-top box. We are doing this, because young people, user experience. Currently, it takes much time on especially netizens, may prefer to choose OTT services developing features and user experience/user interface. which enable them to watch programs anywhere at any This is because ZTE’s main R&D team works in China. time, while others still prefer to watch linear TV/video I hope in the future some key R&D work related to the services that are available on IPTV. To serve various development of electronic program guide (EPG) or user customers, we will analyze their behavior from time to experience/user interface would be done in Indonesia time so that we can offer a diverse combination of content to make deployment faster. Each market is unique. to satisfy them. The OTT platform has been tested, and As far as I know, in China there is no advertisement- we will put OTT services into commercial use soon. based mechanism on IPTV, but in Indonesia we are offering IPTV not only based on subscription but also 4K represented by HD video is becoming on advertisement. With more resources from ZTE, a trend in the era of big video. How do you we can leverage the JIC to speed up our new service plan to develop your IPTV services? commercialization, make the analysis closer to our market and update our platform features more quickly to Telkom has done a 4K trial with ZTE, and it turned meet user needs. special Topic: IP RAN
SDN Builds Elastic IP RAN
By Zhu Yinan
arge-scale deployment of controllers, and implement service innovations by 177 IP RANs enables operators opening northbound application interfaces. OCTSEP 2016 2016 to carry 2G/3G/LTE mobile ● High efficiency: fast service provisioning. ZTEZTE backhaul and government and Diverse services and constant changes require IP enterprise network services. RANs to respond immediately, so fast delivering However, the evolution of fleet and mobile backhaul services is necessary. Lmobile internet and customized dedicated The introduction of SDN enables network lines sets higher demands for packet interaction between different vendors and end- transport networks in terms of fast cross- to-end service management. domain service provisioning, dynamic ● Intelligence: automatic network optimization. bandwidth adjustment, and network In view of the increasing scissors difference capability opening. The vertical and between operators’ investment and revenue, closed architecture of existing networks and the contradiction between traffic and can hardly meet the service requirements bandwidth in network planning, how can we in the ICT era due to difficult upgrade, predict bandwidth based on service application limited expansion, and inflexible to optimize network resources in real time? application. The network development According to data analysis and by virtue of SDN, trend is open and virtual. networks can be automatically optimized to improve bandwidth efficiency. Significance of the Introduction of ● Reliability: quick recovery from faults. In an SDN to IP RANs IP RAN, services are provided and managed through manual configuration and the element With the introduction of software management system (EMS), which may result in defined network (SDN) to IP RANs, blind areas in fault handling. The dynamic SDN Zhu Yinan an SDN IPRAN can manage network algorithms can quickly recover the network from Senior Solution Manager of resources, orchestrate services in a faults and ensure secure and reliable services. BN Product Team, ZTE unified way by deploying hierarchical ● Convergence: multi-purpose network. 18 OCT 2016 ZTE
To improve utilization, base station backhaul in the existing network, the EMS provides IP RAN and fleet services, and home-customer services network resources to a controller, which orchestrates IP share the same physical network. How can we RAN services through data sharing (database) without turn one physical network into several logical modifying devices or affecting services. networks? The answer is SDN controllers, The H-controller orchestrates and controls services which manage and schedule network resources across domains. With the capability of cross-domain in a unified way, generate multiple logical topology, resource discovery and management, and networks through virtualization, and implement cross-path calculation, it optimizes end-to-end paths in fragmented transmission of various services. the network. The orchestrator manages end-to-end services, ZTE’s SDN IPRAN stores service databases and policy databases, and configures service resources. ZTE’s SDN IPRAN includes APPs, ZTE’s SDN IPRAN has the following features. D-controllers, an orchestrator, an H-controller, forwarding-plane devices, EMS, and ZXDNA Automatic Service Provisioning (Fig. 1). The D-controllers provide services, query ZTE’s SDN IPRAN controls and manages IP topology, and manage and maintain devices in RANs in a centralized way. The SDN controllers a single domain. With an open architecture, the automatically obtain network topology, calculate D-controllers support interoperability of devices and select paths, and set up service channels without from different vendors, and the southbound manually configuring complex IP/MPLS protocols on interfaces support multiple standard protocols. For devices. In addition, one-click deployment of IP RAN the IP RAN devices already massively deployed services shortens the configuration time by more than special Topic: IP RAN
Figure 1. ZTE’s SDN IPRAN architecture.
197 OCTSEP 2016 2016 20 minutes. A maintenance window APP is used to match open, real-time, and on-demand data bearers for service maintenance, reducing the workload of becomes a major issue for IP RANs. BoD is therefore ZTEZTE daily maintenance by 80% and increasing the O&M introduced to address this issue. efficiency. BoD is an application developed based on Restful API, a northbound standard. Users manage service Network Reliability (TE HSB+BGP FRR) and bandwidth on the BoD APP interface, such as providing Controller Cluster and adjusting online-bandwidth, and customizing the bandwidth calendar. In an IP RAN, multiple protection mechanisms are ● Bandwidth provisioning on demand. With the BoD used for service redundancy. ZTE’s SDN IPRAN is APP, users select ports, service bandwidth, and equipped with TE HSB+BGP FRR protection policies SLAs from the rented resources, and then services by SDN controllers to improve network reliability. are provided on line. The SDN integrates the control plane to the ● Bandwidth adjustment on demand. When the controllers whose reliability is therefore vital to the bandwidth demand changes, users directly modify network. With elastic IPSDN controllers and mature the bandwidth by logging in to the APP and select cluster components, ZTE’s SDN IPRAN supports: services as they like. data slicing and load sharing for data consistency, ● Bandwidth calendar customization. Users backup and restoration, the active/standby and cluster customize the automatic bandwidth adjustment modes for controller protection and load sharing, and policy on the BoD APP according to their demands. distributed calculation for allocating tasks to different The bandwidth can be adjusted at a certain time cluster nodes. point of a day or from a period of time.
BoD Smooth Evolution from IP RANs to SDN IPRANs
With the constant change in service demands, how How do the existing IP RANs smoothly evolve special Topic
into SDN IPRANs is a common concern of operators. plane provides end-to-end O&M and protection To reduce the difficulty of the introduction of SDN for detecting resources and services in real time. and protect the investment of operators, ZTE’s SDN In case of network failure, the controllers can IPRAN upgrades smoothly from the existing IP RANs calculate paths to recover services as long as there to SDN IPRANs by introducing D-controllers and are physically reachable routes. H-controllers without changing the existing IP RAN ● Network virtualization for fragmented-resource hardware. The principle of the upgrade is as follows: sharing. The controllers abstract and fragment the EMS of IP RAN abstracts all IP RAN devices in network resources. The fragmented network a unified way, opens network resources and topology resources form multiple logical networks to to D-controllers through vendor-defined interfaces, independently control the resources for mobile and thus controls the existing IP RAN through backhaul services, fleet services, and home- D-controllers. In view of massive configuration data customer services, thus facilitating optimized in the EMS, the upgrade supports the coordination of operation and management of network resources. D-controllers and the EMS. ● Open system for service capability improvement. Restful network programmable interfaces can lead Significance of ZTE’s SDN IPRAN the industry to open model and make networks adapt to quick service launch. This avoids network 20 ZTE’s SDN IPRAN achieves hierarchical reconstruction and reduces CAPEX and OPEX. OCT 2016 intelligent control and network capability opening by ZTE introducing SDN. Through hierarchical controllers, it The Application and Outlook of ZTE’s SDN deploys, operates, and maintains services in a unified IPRAN way, and implements services innovations with open northbound application interfaces. Cooperating with domestic and overseas operators, ● Improve the efficiency of cross-domain service ZTE has trialed SDN several times in the IP RAN field. provisioning. Fleet services are set up and ZTE helped Jiangsu branch of China Telecom in changed in real time, which involves fast service prototype design and pre-commercial trial of the SDN provisioning, bandwidth adjustment, and service IPRAN, promoting the application of SDN. Moreover, migration. The introduction of hierarchical ZTE worked with Jiangsu branch of China Unicom to controllers improves efficiency of service deploy the SDN IPRAN in Yangzhou and performed provisioning in the cross-domain and cross-vendor loaded tests on 4G LTE voice and data services, scenarios. After users customize services through reducing the high maintenance costs due to enormous an APP, the controllers quickly respond to their NEs in the IP RAN. demands. The duration for service provisioning and In addition to domestic operators, ZTE cooperated adjustment decreases to several minutes, which was with overseas operators, such as Vodafone, in IP previously several months in the existing network. RANs and completed verification tests of SDN PoC, This greatly improves user experience. promoting the commercial progress of SDN in the IP ● Increase the utilization of network resources. By RAN field. collecting network resources, the ZXDNA analyzes In the future, with the expansion of SDN IPRAN data and suggests network adjustment. According trials, the resource optimization, network capacity to the rules, the controllers dynamically adjust openness, and O&M simplification brought by the SDN network resources. will speed up the commercialization of SDN IPRANs. ● Promote O&M efficiency. The centralized control special Topic: IP RAN
Seamless MPLS for
Fast and Flexible Service Deployment
By Li Xinyu
217 eamless MPLS is a network network interoperability among various vendors. OCTSEP 2016 2016 architecture or network ● It provides unified MPLS OAM as well as ZTEZTE design concept rather than a protection and recovery technologies to implement new protocol or technology. end-to-end rapid protection switching. It aims to expand the MPLS ● It enables fast and flexible service deployment. domain to the access layer Service configuration is made on access network Sand combine the convergence layer, core devices rather than other nodes. This greatly layer, and access layer into one MPLS increases service provisioning efficiency. domain. As a result, the entire network Moreover, service deployment is independent of based on unified IP/MPLS technologies network architecture. In other words, access points can carry multiple services. do not need to be aware of MAN and backbone Seamless MPLS was originally network architecture, and service points can be designed to carry metropolitan fixed- deployed anywhere in the network. line network services. A large amount ● It provides unified carriers for fixed-line and of layer-3 access devices including mobile networks to carry various services for home convergent OLTs that support simple users, business users, and mobile base stations. MPLS label functions are deployed With fixed and mobile convergence, all services are for the upgrade of metropolitan access carried in one network. network. These layer-3 access devices use MPLS PW or L2VPN to carry home Seamless MPLS Deployment broadband services. The seamless MPLS architecture has Seamless MPLS is deployed through inter-area the following advantages: LDP, LDP downstream on demand (DoD), BGP label Li Xinyu ● It uses unified IP/MPLS without unicast (LU), end-to-end rapid protection switching, BN Product Planning Manager, extending existing protocols. IP/MPLS end-to-end OAM, and entropy label (Fig. 1). ZTE Corporation is highly mature and facilitates ● Inter-area LDP: In a seamless MPLS architecture, special Topic
MAN and backbone network comprise a L3VPN Option C inter-areas. complete MPLS domain, and MPLS interaction ● End-to-end rapid protection switching: A seamless is implemented between them. RFC 5283 extends MPLS network consists of three parts: LDP DoD LDP and has no constraints on precise routes interaction between access devices (AN) and for inter-area LSP except for the longest route convergence devices (AGN), MAN in which IGP matching. In the seamless MPLS architecture, and LDP protocols are running and BGP neighbor convergence routes of a backbone network can be relationship is established between AGN and ABR, notified to each MAN, but detailed routes of each and backbone network in which IGP and LDP MAN cannot be notified to the backbone network. protocols are running. The network adopts IGP, Thus, the number of IGP routes in each area is LDP, and BGP protocols that can be fast switched reduced, and the network scale is expanded. to protect network nodes. ● LDP DoD: Because the processing capability ● End-to-end OAM: Hierarchical OAM infrastructure and memories of AN devices are not sufficient to is deployed. At the link layer, OAM is used to handle large amounts of routes and labels, the LDP detect link faults such as IEEE 802.1ag and IEEE DoD mode is used to request only necessary labels 802.3ah. At the tunnel layer, BFD and MPLS from the downstream label switching router (LSR). OAM (Y.1731) can be deployed for fast tunnel This significantly reduces the number of labels connectivity detection. At the PW layer, BFD being forwarded. or VCCV detection packets are used for real- ● BGP LU: Seamless MPLS introduces the BGP time check of PW connectivity. End-to-end OAM LU function. The BGP protocol is used to carry detection is implemented through OAM detection all routes for access network devices. Labels are packets transparently transmitted among users in 22 assigned for these routes, which avoids a large the network. OCT 2016 number of routes carried by IGP. RFC 3107 ● Entropy label: Seamless MPLS packets are ZTE specifies that the BGP protocol is used for assigning forwarded through labels. When there are multiple labels for unicast routes and is applicable to MPLS paths to a destination IP address, load sharing
iBGP IPv4 + Label iBGP IPv4 + Label
Next-hop self (IPv4 route) IBGP IBGP
Static route OSPF/ ISIS domain b OSPF/ ISIS domain c
AN Eth AGN CN (Inline RR) MSG Branch Access Aggregation Core Eth layer layer layer Headquarter AN Default route Static route Branch AGN CN (Inline RR) MSG
Targeted LDP
PWE3 LDP DoD BGP hierarchical LSP BGP LU LDP LSP LDP/RSVP LSP LDP/RSVP LSP
Figure 1. Typical seamless MPLS architecture.
special Topic: IP RAN
through labels is required. The concept of entropy destination IP address is the AN is configured on an label is put forward in the RFC 6790 to solve the AGN, the route between the AN and AGN is reachable. issue of load unevenly shared by LSR. When a When the IGP route domain between the convergence label edge router (LER) performs label negotiation, layer and the core layer is isolated, AGN and MSG an entropy label is inserted into a packet. The label respectively notify their loopback addresses in the value is calculated by the LER according to the form of BGP LU to their peer ends. When receiving source IP address, destination IP address, protocol the label route and notifications from other neighbors, type, and TCP/UDP port number. Entropy labels a CN can set the next-hop of the route to itself. In this are used for traffic load sharing. way, a one-hop end-to-end BGP LSP can be established between AGN and MSG. ANs use LDP DoD mode to Seamless MPLS Application assign labels to service routes. This reduces the number of labels at the access layer and relieves device load. Seamless MPLS implements connection-oriented Among AGNs, CNs and MSGs, the LDP DU mode can services. This greatly increases the efficiency of service be implemented or RSVP-TE is used as an outer tunnel. deployment and maintenance, helping operators reduce Public routes between AN and MSG are interoperable their construction and maintenance costs. Seamless through static routes and iteration BGP LSPs. In other MPLS has been widely applied in mobile backhaul words, an LDP destination session and end-to-end networks and has become the preferred choice for pseudo wire emulation edge-to-edge (PWE3) can be set present mobile bearer technology. up between them. ANs only support MPLS LDP functions and a few According to networking and device capabilities 237 labels, and do not support the IGP protocol. AGNs, CNs, at the access layer, there are three solutions for OCTSEP 2016 2016 and MSGs are high-performance MPLS devices. If a service deployment based on the seamless MPLS ZTEZTE default route or a static route of a 32-bit destination IP concept. When AN devices do not support the BGP address is configured on an AN, and a static route whose LU function, hierarchy of VPN (HoVPN) or route
User side Access layer Aggregaon layer Core layer Service side
AN AGN CN(Inline RR) MSG
BTS/NodeB/eNodeB
BSC/RNC/EPC BTS/NodeB/eNodeB AN AGN CN(Inline RR) MSG Default route/ Route redistribute
VPNv4 VPNv4 .U<64 BGP hierarchical LSP LDP/RSVP LSPLLDP/RSVP LSP DP/RSVP LSP
PW/ VPNv4 Route redistribute BGP hierarchical LSP LDP/RSVP LSP LDP/RSVP LSP LDP/RSVP LSP
PW/ VPNv4 BGP hierarchical LSP (-62; LDP/RSVP LSP LDP/RSVP LSP LDP/RSVP LSP
Figure 2. Seamless MPLS application in the network. special Topic ,6,6/HYHO ,6,6/HYHO ,6,6/HYHO 3: $1 $*1 $%555 $%555 $*1 3: ,6,6/HYHO ,6,6/HYHO ,6,6/HYHO 3: 3: $1 $*1 $%555 $%555 $*1 Home users Backbone network%1* 3: %1* Backbone %1network* MAN
3: %1* %1* %1*
Figure 3. Seamless MPLS applicable to home users.
Branch 1 $1 ,6,6/HYHO ,6,6/HYHO ,6,6/HYHO $*1 $%555 $%555 $*1 $1 Backbone network Backbone network
$1 ,6,6/HYHO ,6,6/HYHO MAN ,6,6/HYHO $*1 $%555 $%555 $*1 $1 Headquarters
$1 Branch 2 Figure 4. Seamless MPLS applicable to business users
$1 24 OCT 2016 %76 Cccess layer Convergence layer Core layer ZTE 3:( *( ( 51& *( &K670
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Figure 5. Seamless MPLS applicable to mobile backhaul.
redistribution is deployed at the access layer, and the ● Business users: Business users require higher BGP LU function is enabled only at the convergence security than homer users, and their services can layer and core layer. When AN devices support the be in or out of MANs. Secure communications BGP LU function, the BGP LU function is enabled are implemented through L2VPNs or L3VPNs among the access layer, convergence layer, and core (Fig. 4). layer to ensure that end-to-end BGP LSPs are set up ● Mobile backhaul: In a mobile network, old between ANs and MSGs. base stations use PWE3 to enable packets to be Seamless MPLS can be applied to: transmitted on the Ethernet. This protects existing ● Home users: Home user services include broadband investment of operators. For new IP base stations, internet and IPTV services. An AN device can set L2VPNs or L3VPNs can be deployed as required up multiple PWs as required by services to reach a to increase network flexibility for LTE deployment different BNG in a quick and flexible manner (Fig. 3). (Fig. 5). special Topic: IP RAN
IP RAN O&M Solution By Wang Chengfeng
ith the development When protection switching occurs, the topology of IP RAN networks, change cannot be displayed in real time. 257 IP RAN O&M plays ● Difficult to monitor and locate. Actual network OCTSEP 2016 2016 an increasingly paths are unknown and faults can’t be located ZTEZTE important role. As for lack of visible O&M measures. It is difficult traditional O&M to diagnose a mass of network and service Wcan’t satisfy the demands of existing IP alarms, and monitor key services in real time. RAN networks, operators are paying ● Limited methods to evaluate network. There are much attention to optimize O&M. few visual performance evaluation methods in the IP RAN. The performance monitoring of routine The challenges of IP RAN O&M network management software can’t meet the comprehensive evaluation requirements, so IP IP RAN O&M faces the following RAN needs to provide quality monitoring software challenges. that monitors networks in real time and for a long ● A large number of access devices term and to display complete evalution results caused inconvenience to remote through visual and multidimensional views. debugging. In the IP RAN, a lot ● Lack of automatic traffic analysis. The IP of access devices require fast RAN carries mobile BS services, VIP services, commissioning. They are located and other high-value services, which set high on the base station (BS) side in a requirements for network QoS and guarantee distributed manner, so the O&M as well as resource coordination and planning. personnel are technically demanding Therefore, an O&M solution with automatic and the manual O&M is costly. monitoring and analysis capability is required ● Weak management of end-to-end in the IP RAN. services. The end-to-end O&M Wang Chengfeng capability of traditional IP networks The Introduction of IP RAN O&M IP RAN O&M Planning is poor, and services at the Layer 2 Director, ZTE Corporation and Layer 3 can’t be fast provisioned. To overcome O&M challenges in the IP RAN, special Topic
Figure 1. IP RAN O&M architecture.
Plannable Commissioning and Deployment 26 ZTE proposed an integrated solution based on its OCT 2016 rich O&M experience. To enhance the deployment and implement DCN ZTE As shown in Fig. 1, ZTE’s IP RAN O&M auto discovery, the remote access NEs are plug includes NetNumenTM U31, ZXDNA, TIM400, and and play. NEs are pre-deployed offline. Once these Easymanager. They interconnect with the IP RAN NEs go online, configurations are automatically through southbound interface (SBI). Meanwhile, the distributed after inspections. This ensures security northbound interface (NBI) can be interconnected to and reliability. the upper-layer OSS. During the commissioning and planning stage, the ● NetNumen U31. As a network management system, basic data of NEs can be automatically configured it has multi-functions on the EML and NML layers. It in batch through a self-defined commissioning also supports NE monitoring management, network template without configuring ports VLANs or basic commissioning planning, and end-to-end O&M. routes. The scripts of the commissioning template ● ZXDNA. As a deep network analysis system, it not are readable and user-defined, which is conducive only monitors and analyzes traffic of the IP RAN, to implementing flexible on-site customization and but also detects and evaluates network quality of improving data configuration efficiency. the RFC 2544/TWAMP-based IP RAN. ● TIM400. As an end-to-end network evaluation Manageable Service O&M system, it monitors end-to-end operational status and evaluates health condition of services. A unified service management view can be used ● EasyManager. As an NE maintenance tool, it evaluates to configure services. NE operation health and upgrades NE in batch. ● The end-to-end deployment is supported at three layers: basic configuration, tunnel configuration, The Highlights of IP RAN O&M and service path configuration. During the service path deployment, the protection, O&M detection, ZTE’s IP RAN O&M has five core values. and QoS can be deployed at the same time. special Topic: IP RAN
● The GUI related to VLANs, IP addresses, The ZXDNA service quality management interfaces, and dynamic protocols is applied in the (SQM) module is deployed together with built-in device interface/dynamic protocol configuration, and external probes in ZTE’s IP RAN network. and batch configurations are supported. ZXDNA can initiate TWAMP and RFC 2544 ● The tunnel end-to-end configuration is applied to (measurement protocols) as needed, and dynamic and static tunnels and the explicit path monitor time delay, jitter, packet loss ratio, and configuration is applied to PWs. For any-to-any link throughput in real time, so that network MPLS tunnels, the tunnel paths can be displayed, deterioration and faults can be discovered timely. the LSP protection can be supported, and the BFD What’s more, ZXDNA can initiate a long- detection can be conducted for tunnels and PWS. time online measurement for TWAMP to monitor ● The MPLS L2VPN, L3VPN, and H-L3VPN can and analyze network quality. Therefore, services be end-to-end deployed. In addition, VPN FRR, IP can be transmitted rapidly in the IP RAN, FRR and VRRP services can be protected, and the deterioration risks can be perceived in advance, MPLS O&M and service QoS can be deployed at and user experience can be improved. the same time. 277 Analyzable Service Traffic Traceable Network Monitoring OCTSEP 2016 2016 With the automatic network traffic analysis, ZTEZTE An advanced graphical algorithm is used to ZXDNA enables operators to understand the display network paths. The physical network current status and development trends in multiple topology view, service path topology view, clock dimensions and from multiple perspectives. source view, optical power view, and resource view By monitoring and analyzing network traffic, are provided. ZXDNA helps operators optimize, plan and ● The physical network topology view displays construct IP RAN networks. physical connections and network topology, and In view of instantaneity and burstiness of hot supports layered topologies. network events, ZXDNA is equipped with the ● The service path topology view displays a complete real-time traffic monitoring function, so operators topology of each service and supports service- can deal with hot events in real time and ensure a related O&M. It can monitor the operational status stable and reliable network performance. of key services and detect service connectivity. Moreover, ZXDNA constructs network traffic ● The clock source view displays transmission paths operation archives to analyze network traffic of synchronous Ethernet and 1588 clock. models and resource load features, which provide ● The optical power view displays the optical power data supports for formulating O&M solutions. status of networks, and the current optical power of links in the topology. Moreover, it supports the Conclusion thresholds monitoring. ● The resource view counts and displays network ZTE’s IP RAN O&M is a customized resolution resources. It displays network bandwidth resources, to address actual O&M difficulties in IP RAN CPU and memory usage, and monitors the network networks. It supports network commissioning, status in real time. deployment, O&M and monitoring, and provides effective means to network performance evaluation Evaluable Network Status and traffic analysis. special Topic
ZXCTN 9000-E Series:
High-End IP RAN Helping Operators Thrive in the Pre5G Era
By He Ping
28 OCT 2016 P RAN offers not only IP network features infrastructure, ZTE is more than ever such as statistical multiplexing and flexible committed to deploying its smart pipe ZTE expandability but also RAN features such concept in bearer infrastructure and as high reliability, easy management, clock helping to optimize IP RAN mobile synchronization, and QoS. Therefore, in backhaul operation. the current 3G and LTE stage as well as the Ifuture Pre5G stage, many operators have chosen IP ZXCTN 9000-E series can flexibly RAN as their bearer solution for mobile backhaul. meet the requirements of the core, convergence, and access layers for To meet the trend of widespread IP RAN switching capacity and slot quantity applications, ZTE has launched a customer-made in different network architectures, as high-end IP RAN ZXCTN 9000-E series with each shown in Table 1. slot supporting 400 Gbps or 1 Tbps (Fig.1). While remaining in the leading position in bandwidth ZXCTN 9000-2E series is applicable to access or small convergence nodes in IP RANs using the E2E L3 VPN solution. The product series is highly- integrated and has a height of 220 mm. It can be easily installed in a
9000-2E4 9000-3E transmission cabinet of 300 mm in height and is more properly placed in a base station or an office device cabinet
9000-2E10 9000-5E 9000-8E 9000-8E Plus 9000-18E that occupies small space. Among the He Ping ZXCTN 9000-2E series, 9000-2E4 and Product Planning Engineer of Figure 1. High-end IP RAN ZXCTN 9000-E series. 9000-2E10 can respectively provide BN Product Team, ZTE special Topic: IP RAN
Table 1. ZXCTN 9000-E series meets various requirements for slot quantity and switching capacity.
Specification 9000-18E 9000-8E Plus 9000-8E 9000-5E 9000-3E 9000-2E10 9000-2E4
DC: 7U, DC: 4U, DC: 5U, Height 41U 22U 14U 3U AC: 8U AC: 5U AC: 6U
Slot Quantity 18 8 8 5 3 10 4
Switching 28T 12.4T 12.4T 5.8T 2.32T 640G 480G Capacity
access capacity of 120 Gbps and 240 Gbps, and TDM interfaces. The PWE3 technology can supporting 2M IPv4, 1M IPv6, and 8K VRF. Both be adopted to support ATM and TDM emulation, of them are small in size but large in capacity. satisfying the need for access to various services ZXCTN 9000-3E and ZXCTN 9000-5E are during the IP RAN evolution. applicable to small and medium convergence ● Supporting seamless MPLS: Seamless MPLS scenarios, while ZXCTN 9000-8E and ZXCTN uses unified end-to-end bearing technologies to 9000 8E Plus are suitable for large convergence carry traffic from home and business users as 297 and core-layer devices. ZXCTN 9000 8E Plus well as mobile base stations, aiming to achieve supports 1 Tbps/slot. ZXCTN 9000-18E is the best fixed mobile convergence (FMC) and carry all OCTSEP 2016 2016 choice for a super core, since it has 18 service slots services over one network. Seamless MPLS ZTEZTE in total and supports 1 Tbps/slot. Since ZXCTN implements MPLS encapsulation for all services 9000-3E, ZXCTN 9000-5E, ZXCTN 9000-8E, at the access layer and builds a unified MPLS ZXCTN 9000-8E Plus and ZXCTN 9000-18E have control plane that covers the core, metropolitan universal service cards, operators can significantly area network (MAN), and access network. This reduce their costs in spare parts. greatly reduces difficulties in network planning and O&M. Moreover, unified MPLS O&M is used ZXCTN 9000-E series provides customer-made for network and service protection. This enhances functions for IP RAN: end-to-end network reliability. Seamless MPLS ● Strong adaptation: To meet the requirements also improves service provisioning efficiency by of IP RANs for wide coverage in complex reducing the number of service provisioning points environments, the 9000-2E4 has the capability and related static configurations and by obviating to run outdoors for a long time at a temperature coordination between different departments. of –40°C to 65°C. ZXCTN 9000-E series lowers ● Fast service provisioning and adjustment: ZXCTN the requirement for equipment room and helps 9000-E series provides plug and play (PnP) operators reduce their network construction costs. and easy commissioning so that NMS software ● Leading clock technology: ZXCTN 9000-E series debugging engineers can quickly activate each site provides the innovative SyncE+IEEE1588v2 after hardware engineers finish device installation, clock synchronization solution with industry- cable connection, and power-on. The graphical leading clock synchronization precision and a NMS provides wizard-like service, which means comprehensive clock synchronization that can services can be provisioned quickly as long as traverse third-party networks. key parameters are selected. When there is a need ● Multiservice bearing capacity: ZXCTN 9000-E for expanding or reducing transmission links , the series supports not only high-density 10GE and NMS can automatically increase or reduce nodes 100GE Ethernet interfaces but also POS, ATM, through complete network protection without affecting existing services. ● Accurate network quality measurement: IP RAN implement end-to-end centralized control, fast carries services from base stations and carrier-class service provisioning, and real-time optimization 30 government and enterprise networks. As these for IP networks. The SDN controller acquires OCT 2016 services are sensitive to delay, jitter, and packet network topology, computes and chooses paths, ZTE loss, an end-to-end service measurement method and builds service channels, so that there is must be provided to verify whether the services no need to configure services on each device meet SLA guarantees. Traditional measurement for and technological threshold is thus lowered. delay, packet loss, and jitter is not accurate enough Through the ZXDNA, NMS, and third-party to meet the KPI measurement requirements of IP traffic analysis, the performance monitoring RAN. Therefore, hardware-based measurement system triggers network optimization and offers is introduced to determine real service KPIs and multiple optimization modes such as interactive network QoS and enable visual O&M. In the SDN optimization, automatic optimization, and manual era, network quality can be optimized based on optimization as required by the user policy. KPI measurement to ensure that SLA requirements Visual network topology, visual service paths, for service bearer are met at all times. IP RAN has and visual LSP traffic are also supported for higher requirements for KPI measurement. Based smart and efficient network O&M including on RFC 2544, ITU-T Y.1564, TWAMP, and ITU-T service management, performance monitoring Y.1731 protocols, ZXCTN 9000-E series provides and network optimization apps. ZXCTN 9000-E the hardware-based KPI measurement solution series fully supports SDN functions, evolution- that can accurately measure delays and jitters with based PCEP, BGP-LS, SNMP, and Netconf/Yang a precision of up to 100 us level, and measure interface protocols, as well as the future-oriented packet loss with a precision of up to 1E-6 level. OpenFlow protocol. The measurement solution can be used to measure end-to-end L2 VPN and L3 VPN services, and can ZXCTN 9000-E series is designed for IP RANs. also offer segmented measurement at the network With its customer-made hardware and software layer to quickly locate KPI faults. functions, ZXCTN 9000-E series will surely be ● SDN evolution: ZTE’s SDN IP RAN solution able to help operators survive the competition in the based on hierarchical controller architecture can Pre5G era. tech Forum
Key Technologies of IP RAN By Zhang Baoya
ased on dynamic IP/MPLS, an IP RAN evolves to LTE and LTE-Advanced, network is built with packet-switched it has been agreed in the industry that routers that can provide high bandwidth, RAN must be IP-based, and packet high reliability, low delay, low cost, full mobile backhaul will be inevitable. services, and E2E QoS. IP RAN has become LTE features all IP, multipoint-to- a mainstream networking solution for mobile multipoint, high bandwidth, high Bbackhaul. It is used to carry not only mobile voice and reliability, low delay, and high- broadband multiservices to meet the need for 2G, 3G, and precision time synchronization.
LTE/LTE-A base station access, but also carrier-class > 内部公开 IP RAN has therefore become government and enterprise network services to satisfy the primary choice for an operator’s operator needs for fixed mobile converged (FMC) full- LTE mobile backhaul. service operation. Compared with traditional packet- The Evolution to LTE report switched networks, an IP RAN network introduces BFD, published by the Global Mobile 317 FRR, tunnel protection, and rapid route convergence Suppliers Association (GSA) in April OCTSEP 2016 technologies to ensure millisecond-level reliability, 2016 confirmed that in190 countries ZTEZTE supportE2 EIEEE configu ra1588tion & MandNG synchronous Ethernet,Visibility and meet around the world, 691 operators NetNumen U31 Small & Aggregation the clockOutd oosynchronizationr Access requirement of baseCore stations and have launched and 26 operators are TDM E1 608-XK E1/GE/10GE cStm-1/GE/10GE/40GE/100GE TDMIMA E1 traffic.608-XP The IP ERAN1/GE/10G Enetwork/40GE/100GE also simplifies service deploying LTE networks. This figure
Small 10GE/ 608-G -5E -18E deployment through6120S graphical E2E-3E network management includes 494 operators that have cell GE/FE -2E4 ch.STM-1/4 608-GE aGW system. This guarantees6150 large-scale-5E networking and commercially launched their LTE -2E10 -8E Enterprise TDM E1 GE/10GE/ reduces O&M costs.6180 40GE/100GE networks (Fig.1). It is estimated that IMA E1 SS eNB D:300 mm 550 LTE networks will be put into 10GE/GE/FE 60G/120G 50G/100G/200G 50G/100G/200G/400G per slot per slot per slot 1T ready ResidentiIPal RAN Bearer MSE commercial use at the end of 2016. ZXCTN6000 hardware platform ZXCTN9000E hardware platform Because of insufficient resources, RosNG software platform FMC SDH/MSTP 50 ms reliab iliisty usedW toide bear BW traffic Visibili tybetweenSDN &2G/3G 5G read y base high cost, and difficulty in hardware stations and a core network, where E1 interface rates are maintenance, SDH/MSTP cannot relatively low and the cost is high. As mobile broadband satisfy the requirements for Ethernet- based high bandwidth and low cost of 600 government and enterprise businesses.
500 479 494 With widespread deployments of IP RAN, mobile operators are pressing 400 373 to migrate their services from SDH/ 300 267 MSTP to IP RAN.
200 147 100 IP RAN Key Technologies 46 2 16 0 2009 2010 2011 2012 2013 2014 2015 2016 Apr 7 IP RAN carries 2G, 3G, and LTE/ LTE-A mobile traffic that can meet Figure 1. LTE network commercial launches. the bearer needs of government and
© ZTE Corporation. All rights reserved. Tech Forum
Key Technologies of For its high bandwidth, high reliability, low delay, low costs, full services and E2E QoS, IP RAN has become a mainstream bearer solution for mobile backhaul. IP RAN —Zhang Baoya, Chief Engineer of IP RAN Product Planning, ZTE
enterprise networks. To evolve to fixed research into ultra-100G technologies, higher-density ports and mobile convergence (FMC), IP will be supported in the future. In a flat network, core RAN needs key technologies such as routers need to support high-density 10GE/40GE/100GE large-capacity routers, MPLS VPN- cards, and a single card needs to support more slots. based multiservice bearer, high reliability, effective O&M, high- MPLS VPN-Based Multiservice Bearer precision KPI measurement, clock synchronization, and QoS. To migrate 2G, 3G, as well as government and enterprise network traffic from the original SDH/MSTP High-Capacity Routers to IP RAN, it is necessary to provide E1, cStm-1, FE, GE, and 10 GE access capacity for carrying multiservices As radio networks evolve from 2G including 2G, 3G, LTE, LTE-A, and government and to 3G, LTE and 5G, base stations are enterprise network services. MPLS has good QoS 32 more densely deployed. Especially capability, supports point-to-point, point-to-multipoint, OCT 2016 in this mobile broadband era, a and multipoint-to-multipoint communication, and provides metropolitan area network (MAN) abundant service models. Therefore, adopting end-to-end ZTE covers several hundreds of, thousands MPLS technologies in backhaul IP RAN has become a of, or even hundreds of thousands of consensus in the industry. A large IP RAN network can use base stations. In the LTE age, a single- VPN technologies such as MS-PW, HoVPN, OptionA, and eNodeB generally reaches a peak seamless MPLS to improve its networking capability. The rate of over 100 Mbps, while in the number of network nodes can be up to thousands or even LTE-A stage, the eNodeB that uses the hundreds of thousands. carrier aggregation (CA) technology can reach a peak rate of up to 1 Gbps. High-Reliability In the 5G era, the peak rate can even reach 20 Gbps. Wide coverage, high As IP RAN chiefly carries radio traffic as well as density, and high bandwidth of radio government and enterprise network services, millisecond- networks impose higher requirements level carrier-class reliability has become the basic on bandwidth of bearer equipment. requirement. The high-reliability requirement of IP RAN The core IP RAN equipment includes fast fault awareness, fast forward switching, fast is required to provide a switching routing recovery, and BGP-PIC. capacity ranging from hundreds of IP RAN detects faults through BFD that includes PW- Gbps to tens of Tbps, and a single slot BFD, IGP-BFD, BGP-BFD, peer-BFD, static route BFD, is required to support a throughput VRRP-BFD, PIM-BFD, LSP-BFD, and link-BFD. IP RAN of 100GE, 200GE, or 400GE. As also supports CFM detection. Continuity detection on the chip technologies develop to meet forwarding plane is based on hardware that can meet the 5G requirements, there is a pressing requirement of millisecond-level failure switching. Some need for a single slot to support faults such as optical deterioration and link splitting can 10GE/40GE/100GE ports. With the also be detected through CRC and EHT-LM. This triggers tech Forum
network switching, and the faults can be mapped through QoS BFD and PW O&M-mapping. The best way for fast traffic switching on the In the evolution from 2G/3G to forwarding plane is to switch multiple redundant active/ LTE, more than 90% of radio sites standby paths generated in advance by the forwarding are reused, and 2G/3G will coexist table to other redundant paths for fast traffic recovery after with LTE for a long term. IP RAN for fault detection. The related protection techniques involve government and enterprise networks smart-group, MC-LAG, MSP 1:1/1+1, PW-FRR, IP-FRR, has developed rapidly in recent years. r-LFA, LDP-FRR/ECMP, VPN-FRR/ECMP, hot-standby, In the future, FMC will be deeply TE-FRR, and VRRP. If these techniques are unavailable, developed. Transport networks it is necessary to adopt the routing/LSP convergence must therefore meet the quality mechanism on the protocol layer. The prefix independent requirement for various service convergence (PIC) and the shortest path first (SPF) bearing. Multiservice convergence algorithm are used to refresh the next hop of relative routes and bearing requires that IP RAN via IGP and recover services in case of network failure. In provide hierarchical QoS ability and this way, millisecond-level protection can also be achieved. ensure QoS of key services in case of network congestion. Effective O&M There are two key requirements on QoS. One is to ensure that An IP RAN network generally contains hundreds to services with a higher QoS are first thousands of nodes. If these nodes are all commissioned forwarded to reduce the delay. This on site one by one manually, there would be a large amount is a traditional Differ-Serv concept. 337 of work. If traditional network management and O&M is The other is to ensure that important used, services might be provisioned with low efficiency and services especially radio voice and OCTSEP 2016 maintained with difficulty. critical government and enterprise ZTEZTE An effective network O&M is therefore quite important. network services are available in the Equipment plug and play must be supported without event of network congestion. A bearer the need of on-site manual commissioning. During network must support hierarchical service deployment, work orders are generated through QoS processing and hierarchical queue E2E graphical user interfaces or special tools, and are scheduling for different base stations automatically distributed through the network management and services, so as to ensure important system. During service O&M, services are viewed through base stations never drop off. a graphical network management system. This helps to improve visual O&M capability, rapidly locate faults, SDN/5G Evolution significantly enhance large-scale network maintenance, and reduce O&M costs. As the SDN technology is getting mature, manufacturers and operators Clock Synchronization have worked out their own SDN roadmaps. The introduction of SDN TDM services must be frequency synchronized, into IP RAN can simplify service while 3G or LTE traffic requires high-precision phase deployment and reduce O&M costs. synchronization. Synchronous Ethernet technology has E2E service deployment and O&M been widely used in the industry. Synchronization at the can also be implemented easily in physical layer can provide high frequency precision, ensure cross-domain scenarios. IP RAN uses that E1 traffic restores frequency through a synchronous dynamic IP/MPLS technology. At Ethernet, and implement accurate BIT stream transmission present, tenders of operators including at a low error rate. The synchronous Ethernet plus 1588 Vodafone, AT&T, and China Telecom v2 technology must also be supported to improve high- have specified that SDN IPRAN is precision phase synchronization. based on the ODL architecture. In this > 内部公开
Tech Forum S
E2E configuration & MNG Visibility NetNumen U31 Small & Aggregation Outdoor Access Core TDM E1 608-XK E1/GE/10GE cStm-1/GE/10GE/40GE/100GE IMA E1 608-XP E1/GE/10GE/40GE/100GE
Small 10GE/ 608-G -5E -18E 6120S -3E cell GE/FE -2E4 ch.STM-1/4 608-GE aGW 6150 -5E -2E10 -8E Enterprise TDM E1 GE/10GE/ 6180 40GE/100GE IMA E1 SS eNB D:300 mm 10GE/GE/FE 60G/120G 50G/100G/200G 50G/100G/200G/400G per slot per slot per slot 1T ready Residential MSE ZXCTN6000 hardware platform ZXCTN9000E hardware platform RosNG software platform FMC 50 ms reliability Wide BW Visibility SDN & 5G ready
Figure 2. ZTE’s IP RAN solution. architecture, southbound interfaces ZXCTN 9000-18E/-8E/-5E/-3E/-2E10/-2E4 series serving as use BGP-LS, PCEP, and NETCONF600 the IP RAN core for large, medium, small-sized radio access protocols, and the equipment500 layer convergence, ZXCTN 6180/6150/6120S479 494 used for macrocells, still keep IP/MPLS protocol to indoor cells, and government and enterprise network service maintain network continuity.400 The access to meet the needs373 of various ports, ZXCTN 608 used deployment of RSVP-TE allows for outdoor and indoor access, and NetNumen U31 EMS used 300 34 PCE to control service paths on the for visual and267 end-to-end effective operation and maintenance OCT 2016 forwarding plane and thus provide200 IT- (Fig.2).147 based northbound interfaces. ZTE’s IP RAN solution based on router technologies ZTE 100 5G technical requirements have 46has powerful IP/MPLS capability and supports LSP (such 2 16 been well defined, and the work0 on as RSVTP-TE and LDP), MPLS VPN, and seamless MPLS. 5G standardization will be finished2009 2010 2011The solution2012 2013also carries2014 full2015 services2016 and Apr provides 7 high in 2018. The key requirements for bandwidth, 50 millisecond-level carrier-class reliability, and 5G backhaul networks include large- visual E2E service configuration and management. Some capacity switching equipment, ultra- operators have conducted lab tests on SDN IPRAN. ZTE’s IP © ZTE Corporation. All rights 100GE applications, 40GE/100GE RAN solution has been widely deployed by Chinareser vedTelecom,. networking at the access layer, 10GE China Unicom, and operators outside China. (or as high as 25G) access ports on the eNodeB side, and cloud-based SDN Summary for unified management of IP RAN and radio networks. In the 5G era, For its high bandwidth, high reliability, low delay, low as the core network will move close cost, full services, high-precision clock synchronization, to the user end and video services and graphical O&M capability, IP RAN has become a develop rapidly, the era of mobile mainstream bearer solution for radio backhaul networks. distributed CDN will arrive. At that IP RAN is also evolutionary and can be used to carry radio time, IP RAN will accommodate DCI voice, mobile broadband, and government and enterprise technical requirements and eMBMS network services. It is agreed in the industry that IP RAN will further develop. has gradually replaced traditional SDH/MSTP. Integrated fixed and mobile service bearing is a new trend for the ZTE’s IP RAN Solution development of IP RAN. Therefore, the evolution of IP RAN to SDN and 5G has become a research focus in the industry. ZTE’s IP RAN products cover Success Stories
VIVO LEADS THE LTE MARKET IN BRAZIL WITH IP RAN
By Wang Quanzhong
357 razil, the largest country it developed a marketing strategy of OCTSEP 2016 in South America, has “providing high-speed and innovative ZTEZTE a reputation as “the data services” , and gradually Kingdom of Football,” dominated the 3G market. In 2014, and is one of the BRIC Vivo began to deploy LTE networks. countries. There are four Bmajor mobile operators in Brazil. Challenges Vivo, one of the four operators, seized the opportunities of 3G and LTE In 2006, Vivo deployed nationwide development to expand its networks, 2G (GSM) mobile networks, and boosted its presence in the market, and leased a large quantity of bandwidth to outperformed its rivals in Brazil. launch mobile backhaul services. The evolution of 3G technologies increased Background the cost of bandwidth, so Vivo began to deploy its transmission backbone Vivo was established in 2002 and Metro-Ethernet (ME) in 2010. as a wholly-owned subsidiary of From 2010 to 2013, Vivo cooperated Telefonica, which is a multinational with ZTE to construct the transmission telecommunications giant. Boasting backbone and ME networks. In TDMA, CDMA, GSM, WCDMA, and addition, it chose ZTE to build a large FD-LTE, Vivo is a well-known mobile number of PTNs in the southern and brand in Latin America with a market northern states of Brazil to provide share of 30.36 percent. high-value services, such as 2G, 3G, Wang Quanzhong Vivo built a nationwide GSM and leased line. BN Product & MKT Planning network and a WCDMA network in With the large-scale commercial Engineer, ZTE Corporation 2006 and 2008 respectively. In 2010, deployment of LTE worldwide in 2013, success Stories
in view to be consistent with the TEF time performance. Currently, GPS nearly 100,000 terminals on mobile headquarters in technical concepts, is still the mainstream. However, backhaul networks globally, Vivo opened a tender for IP/MPLS- labor costs and equipment room meeting customer requirements for based IP RAN/ME networks to carry rentals are rising, and GPS is narrowband and broadband services LTE services. not available in some scenarios, access. This solution enables Vivo Vivo has many PTNs that have just such as subways, skyscrapers, to take a huge lead in the 4G era to been put into commercial use, but they and outdoor CSG. Therefore, further expand its market share by can’t meet LTE or fixed broadband operators are desperate for clock deploying networks rapidly. requirements. By analyzing the and time synchronization on mobile ● Flexibly evolving PTN + CE: To win existing network and forecasting further backhaul networks. the competition in the market, Vivo trends, Vivo determined to upgrade brought massive LTE services to the PTNs and build IP RANs so as to Proposal PTN networks. Without affecting the reduce investment. existing 2G and 3G bearing services, In 2013, Vivo invited a bid for IP/ Vivo adopted the PTN + CE solution Requirements MPLS-based ME networks. To select for LTE service by introducing a strategic partner, Vivo took part in the M6000-S as the CE and core To upgrade the existing PTNs the PTN + CE test for LTE, which device in the IP RAN network. and build new IP RANs, the major was initiated by ZTE. Meanwhile, it This network architecture ensures a requirements are as follows: studied ZTE’s IP RAN products, such smooth upgrade from PTN to ● Smooth evolution: The existing as 6120S, 6150 and M6000-S, and IP/MPLS. 36 commercial PTNs can be utilized major solutions, such as the IP/MPLS ● Comprehensive protection against OCT 2016 and appropriately transformed to L3VPN to edge and IP RAN solution. faults: ZTE’s IP RAN solution reduce the CAPEX and OPEX. In These solutions not only fully satisfy detects optical link and equipment ZTE addition, the PTNs can be upgraded the requirements of LTE, but also faults through BFD for everything, to IP/MPLS to keep pace with protect the investment of Vivo. implements LDP FRR in ring technological changes. Finally, Vivo chose ZTE as its partner networks through remote-LFA, and ● Multi-service bearer: Vivo mainly to upgrade the commercial PTNs. troubleshoots equipment through provides mobile services. With VPN/PW FRR. Therefore, Vivo the withdrawal of SDH/MST from Features and Advantages takes this solution to reduce the existing networks and the evolution fault convergence time to less than of PTN to IP/MPLS, IP RAN With the PTN technology, which 500 ms, and perform carrier-class networks will carry high-value and features low cost, easy O&M and switching protection on all services. multi-service voice, data traffic, and high availability, Vivo constructed leased line services. a large number of PTNs to carry Conclusion ● High reliability networks: In a 2G/3G services, and prevailed in the competitive market, network quality 3G era. As LTE evolves, Vivo set With ZTE’s professional team and is the top priority to win a good an IP/MPLS technology roadmap. rapid deployment, the IP RAN gained reputation from customers. As a In this context, ZTE developed new recognition from Vivo. Currently, this market leader, Vivo tried to improve products, guided Vivo in PTN + CE solution has been widely used by Vivo in KPIs, guarantee voice, big data and transformation and upgrade, which the southern and northern states of Brazil high-priority services, and meet eventually evolved to IP/MPLS, and and has won customers’ trust due to its carrier-class switching requirements built new IP RANs for Vivo. high-speed and excellent performance. for bearer networks in case of ● Mature and sound L3VPN (HoVPN): What’s more, Vivo adopted this solution any failure. The L3VPN solution is deployed to transform from a mobile operator to a ● Efficient time transfer: MBH sets on IP RANs worldwide. With full-service operator. clear requirements for clock and ZTE’s support, Vivo has deployed Success Stories
SLT’S SUCCESS IN FIXED LTE IMPLEMENTATION
By Gao Qin
377 ith the popularity of fixed broadband (FBB) penetration OCTSEP 2016 smart phones and increased slowly to only 2.3% in 2015. ZTEZTE rapid growth of the Of the three local fixed-line operators mobile broadband in Sri Lanka, SLT is overwhelmingly (MBB) market, predominant in the FBB market while fixed-line network Dialog Axiata and Lanka Bell are woperators are facing challenges from aggressive in TD-LTE deployment. mobile operators in their fixed broadband In the first quarter of 2013, Dialog businesses. Sri Lanka Telecom (SLT) Axiata secured a sustained growth in is a state-owned telecom operator that subscribers through TD-LTE wireless provides ICT solutions and advanced broadband access (WBA) service. By broadband and backbone facilities. It the end of 2014, the number of Dialog has achieved a dominant position in Axiata’s TD-LTE subscribers had Sri Lanka’s fixed-line market, having exceeded 50000. over 600,000 fixed-line subscribers and a market share of nearly 90%. In the In Sri Lanka, the application period mobile communication era, how has SLT of fixed broadband installation is about made new breakthroughs in services to three to four weeks, and the access turn crises into opportunities? Let’s read fees are high. Therefore, SLT’s existing through SLT’s success story to learn XDSL and FTTH services only cover how it has been revitalized in the mobile large-scale enterprises, government, communication era. and some high-end customers. Meanwhile, because WiMAX failed Gao Qin The MBB market has grown very to be promoted worldwide, SLT’s rapidly in Sri Lanka. From 2010 to WiMAX network has not been put Product and Solution Manager of 2015, Sri Lanka’s MBB penetration into commercial use. The best way TDD Product Team, ZTE increased from 2.4% to 18.1%, but its out is to transition WiMAX to TD- success Stories
LTE. As the mainstream 3GPP strategies, SLT also adopts integrated support three-carrier aggregation in technology, TD-LTE beats WiMAX 4-channel RRUs and 8-channel hardware. This helps SLT greatly save in chips, terminals, test instruments, RRUs deployment to balance network CAPEX, ensure smooth evolution, and and commercial scale. To date, global coverage and capacity. In urban improve TD-LTE performance. telecom giants in USA, China, Japan, areas, 4-channel RRUs are used to and India have chosen TD-LTE as support remote electrical tilt (RET) Since the kick-off gathering for their development priorities. antennas for considering the initial SLT’s fixed LTE implementation network construction speed and cost project was held in December 2014, Making the best use of the TD-LTE control. Ultra-wideband and high- the test team has worked closely network has become a major concern power 8-channel RRUs not only apply with the delivery team to ensure for SLT. Because of high costs, FBB to urban hot-spot areas for traffic that SLT’s roll and pay policy can be services have been applied mostly in absorption but also satisfy the need implemented with the best network urban areas. SLT has to adopt different for wide coverage in suburb and performance and the fastest time to strategies for commercial TD-LTE rural areas. This helps SLT reduce market. The roll and pay policy refers business in different areas. In the network construction costs. With rich to the commercial mode where network areas concentrated with government experience in network construction construction and service charging are offices and large enterprises, SLT and on the basis of precise field survey, implemented simultaneously. At first, provides excellent and high-speed fixed ZTE has assisted SLT in deploying SLT didn’t require to build a national broadband services for these high-value a TD-LTE network with simpler wireless broadband network. Instead, customers. For small and medium- structure, faster speeds, and lower costs SLT divided the areas in the country sized enterprises, low- and middle- that can satisfy service requirements in and deployed the network in hot-spot income families, and individual mobile the coming five to eight years. areas. When broadband services were subscribers, SLT provides convenient provided in these areas, SLT began 38 wireless broadband services through SLT also has distinct advantages in to gain revenue which SLT could use OCT 2016 TD-LTE+CPE. In the countryside not supporting future LTE-A technology. to deploy the network in other areas. ZTE covered by fixed networks or FTTH Currently, SLT has a 30 MHz This commercial mode used for data infrastructure due to land privatization, bandwidth at the 2.6 G band that services provides a fast return on and also for those users who cannot enables two-carrier aggregation operator investment. SLT put its TD- afford for fixed access, SLT uses the (20 MHz and 10 MHz). In the future, LTE network into commercial use in TD-LTE network to provide cheap 20 MHz bandwidth will be added to June 2015, and attracted 5000 new wireless broadband services. implement three-carrier aggregation subscribers within one month. By the with a theoretical peak data rate of end of 2015, its subscriber base had In addition to the business 275 Mbps. The RRUs deployed by SLT reached 14000.
In the mobile communication era, fixed-line operators concern more about how to leverage wireless technologies to offer innovative broadband access services. TD-LTE is a preferred choice for operators to expand their coverage within a short period of time and grab more market share with flexible pricing modes. TD-LTE also provides diverse value-added services and excellent user experience. The success of SLT has once again proved that adopting ZTE’s TD-LTE as broadband access is the best choice for fixed-line operators in At the kick-off gathering for SLT’s fixed LTE implementation project their business transition.