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Tejas Networks Builds a Terabit-Scale Optical Backbone Network in Bangladesh

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Tejas Networks Builds a Terabit-Scale Optical Backbone Network in Bangladesh Case Study Tejas Networks builds a Terabit-scale Optical Backbone Network in Bangladesh Customer Introduction Bangladesh Telecommunications BTCL, Bangladesh’s leading Government-owned telecommunications companyis constructing a high Company Limited (BTCL) capacity optical fiber transmission network to distribute high-speed Internet bandwidth from SMW-5 undersea submarine cable system to key locations within Bangladesh. The scope of the work Challenge includes deployment of high capacity DWDM optical transmission equipment, Optical Line Customer needs an efficient Amplifiers (OLA) and associated auxiliary equipment at different sites identified by the customer. solution that can • Handle bandwidth issues without over-engineering Customer Requirements simply adding additional boards/ which can be scaled further to up to • Ensure reliable and on-demand modules/cross connect/sub-racks/ 2.8 Terabits of OTN switching access to end customers The first-ever terabit network in the region racks. capacity. The product can be • Sub-50ms 1+1 protection should handle the following complexities configured independently in Mesh, switching with 100-300ms fast 4. Scalability: The network should 1. Network Flexibility and Management: Ring, Linear, Bus and Hybrid rerouting of traffic support additional capacity without The network should ensure optimal architecture. These features make the • Guaranteed 99.999% uptime the need for large investments or product ideal for building optical bandwidth allocation during traffic massive rewiring. Solution fluctuations and heavy bandwidth backbone networks. requirements without any over- 5. Network Reliability: The network • TJ1600-11 POTP is a • TJ1600-6 is a high density 4U form engineering requirements. It should should be able to recover without comprehensive, high density factor packet aggregation node also handle variability in terms of delay in case of fiber cuts. metro aggregation and metro encompassing Packet, OTN and core solution that can work service granularities (64 kbps to Tejas Networks Solution DWDM technologies together in the across technologies and nx10GE) and types of services same platform. It is one of the \most Tejas solution comprises an end-to-end architectures required at different network locations. compact MPLS-TP products in the • packet transport network including i) TJ1600-6 is the most compact 2. Network Resilience: The network industry that can support up to 240G and dense MPLS-TP platform TJ1600-11 ii) TJ1600-6 and iii) TJ5500 – should be constantly alert to adverse packet switching capability. that can support up to 240G the unified Network Management System. changes in quality of experience and • Tejas TJ5500 Network Management packet switching capability • TJ1600-11 POTP is a comprehensive, • Unified and multilayered instantly “self-heal” through pro-active System is a unified, multilayered high density metro aggregation and management from TJ5500 re-routing of traffic from congested or management platform with full FCAPS metro core solution, which supports NMS deteriorated links before an actual functionality for the complete range of DWDM, SDH/OTN DXC and PTN network failure. Tejas products and technologies.100G through common reconfigurable links connect individual districts 3. Non-disruptive Upgrades: The network hardware. TJ1600-11 has a digital (TJ1600-6) to Internet Data Center in should support seamless expansion cross-connect of up to 640G capacity without affecting existing services by Dhaka (TJ1600-11) which is connected Case Study Multi-Technology support: Tejas CPO is a Results H versatile multi-technology platform that • Successfully implemented 1st Link Failure Failure can support MSPP, DWDM, PTN, POTP terabit capacity DWDM Work Path F and OTN configurations depending on the C network in record time Failed Path carrier’s need. • ~30% of country’s Internet Kuakata traffic is currently being carried Multilayer Transport: MPLS-TP and OTN D NNI on the network provides low-latency, low-cost bypass at A Failure G Dhaka Layer 2 compared to expensive IP routing ( MGB ) B at higher layers. Similarly multi-degree 2nd Link Failure ROADM support enables cost-effective E optical layer bypass (Layer 0) and for building cost-effective IDC networks. Sophisticated Quality of Service: TJ1600 We are pleased to be the to Submarine Cable Landing Station in aggregates large amounts of data and supports multi-level Hierarchical QoS Kuakata (TJ1600-11) through 2*100G voice traffic from different locations, and user of the high capacity (HQoS) with advanced traffic management channels. efficiently groom and switch traffic at wire DWDM Equipment of Tejas features such as congestion-based service speed.. Networks, a pioneering 100G links connect individual districts prioritization and granular hardware-based high-technology company (TJ1600-6) to Internet Data Center in Advanced Protection Mechanisms: performance counters for real-time billing Dhaka (TJ1600-11) which is connected TJ1600] combines sub-50ms 1+1 from India, which has and monitoring of service parameters like to Submarine Cable Landing Station in protection switching with 100-300ms fast latency, jitter etc. This feature is especially successfully helped us Kuakata(TJ1600-11) through 2*100G rerouting of traffic using ASON/GMPLS useful for delivering premium SLA-driven rollout this next-generation channels. control plane thereby delivering both services. network for Bangladesh in Why Tejas Networks bandwidth efficiency and superior network the shortest possible time. resilience. Results After evaluation of multiple alternatives, Tejas successfully completed the roll out Tejas Networks fully met Scalable and Future-ready: TJ1600 the customer selects Tejas Converged of this network in record time. Currently, our expectations of timely supports high speed DWDM channels at Packet Optical (CPO) product family as this network is carrying around 30% of deliveries, high quality and 10G, 100G and 200G rates. Up to 40 DWDM the best fit. The key benefits offered by the Bangladesh’s internet traffic. Tejas 1600 prompt customer support to channels can be multiplexed using a single Tejas solution are: converged packet optical (CPO) products, MDU (Muxing Demuxing Unit) module successfully get this network deployed in this project are locally Flexibility and Modularity: TJ1600 is ideal and the platform can scale to 80 DWDM up and running as per manufactured by TSS, a state-owned for high-capacity backbone networks that channels with multi-terabit OTN switching. committed deadlines. company in Bangladesh. -Mr. Mashiur Rahman, Managing Director, 68-72, Church Street, Suite 6, Northbridge, MA: 01588, USA Bangladesh Submarine Cable INDIA UAE www.tejasnetworks.com/northamerica Company Limited (BSCCL) KENYA MALAYSIA +1 (877) 448-3527 SOUTH AFRICA SINGAPORE NIGERIA MEXICO Software Enabled Transformation Copyright Tejas Networks Ltd. 2021 ALGERIA BANGLADESH.
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