APPLY SDN/NFV FOR MOBIFONE NETWORK Do, Tuan ABOUT MOBIFONE • One of the largest mobile network operator in Vietnam • Has recently acquired Audio Visual Global JSC • Products and Services: - Standard Telecommunication Services - Payment Television Services - Retail and Distribution - Added-value Services and Multimedia Vietnammobile Gmobile 4% 3% VinaPhone Viettel 17% Viettel MobiFone 44% VinaPhone MobiFone 32% Vietnammobile Gmobile Market Shares by Subscribers RESEARCH & DEVELOPMENT CENTER • Found in 2015 • 37 staff members, 25 researchers • Research areas: - Communication technology: wireless communications systems, telecommunication systems, transmission network - Information technology: OSS/BSS system, Big Data, data center - Future Internet: Internet of Things, Network virtualization and network function virtualization, SDN/NFV, cloud networking - Service platforms for future networks: service delivery platforms for all-IP network, service platform for IoT, M2M MOBIFONES ISSUES • 4G-LTE commercial services - Started one year trial services in October 2015 - Officially awarded a license to provide 4G services in October 2016 • Introduction of own Data Center - Building a own Data Center in near future - Planning to provide IDC products and services ISSUES WITH THE COMMERCIAL 4G LTE • The CS fallback is used at the beginning of the commercialization • How and when 4G voice service VoLTE should be introduced • Voice service beside VoLTE: - Voice over Wi-Fi - Voice over FTTH • Requirements for introduction of IMS: - Maximization of sharing IMS for 4G/Wi-Fi/FTTH - Flexible capacity expansion at the small start ISSUES WITH THE DATA CENTER • MobiFone New Generation Data Center requirements: - Simplified provisioning - Dynamic scaling - Centralized management - Automated policy - Open Architecture • Hybrid-Data Center which: - Customer centric - Offers Do-It-Yourself service WHICH TECHNOLOGIES ARE WE LOOKING FOR • Network Function Virtualization • Software Defined Network NFV FOR THE IMS • Running IMS-software on COTS servers • 3 hubs deployment located in Hanoi, Da Nang and HCMC • Provide a disaster recovery plan Capacity change corresponding to traffic IMS for IMS for IMS for WiFi VoLTE FTTH VM General purpose servers ANTI-DISASTER FUNCTIONS OF vIMS • Capacity setup as follow: - Hanoi: Necessary capacity = L, Back up capacity = l - Da Nang: Necessary capacity = M, Back up capacity = m - HCMC: Necessary capacity = N, Back up capacity = n - l = (M+N-L)/2, m = (L+N-M)/2, n = (M+L-N)/2 • Backup servers have capacity as half of main servers SDN FOR DATACENTER • Network architecture - Avoid the classic hierarchical Ethernet architecture - Using the Ethernet fabric architecture Plane 1 Plane 2 Inter-Switch links Core layer Core Inactive links layer T r a f f i c F Aggregration l o 1 2 layer w 1 2 1 2 1 2 Aggregation layer Access Access layer Layer POD 0 POD 1 POD 2 POD 3 Server 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Traffic Flow Classic hierarchical Ethernet fabric Architecture Architecture SDN FOR DATACENTER • SDN architecture - Apply the standard solution from ONF - Using OpenFlow protocol - Choice of bare metal switches SDN FOR DATACENTER • The 2-layer controllers - Local controller: forwarding table configuration, low latency processing… - Global controller: inter-DC traffic engineering, global workload balancing… Global Controller Global Application Tenant 1 Global API Tenant 2 Global Ha Noi Controller Multi-Tanent Mgr. Da Nang Global Topo/Device Mgr. Event exchange Inter-DC Mgr. Sai Gon Local Application Local API Ha Noi Flow Da Nang VN Management Control Local Controller Local Controller Local Controller Topo discovery Sai Gon Physical & Software Switches vSwitch vSwitch VM VM ... VM VM VM ... VM VM VM VM VM VM VM WE ARE LOOKING FOR • Vendors • Partners • Email: [email protected] .