Ethio Telecom IP NGN Network Internal For Use



















- Slides: 19
Ethio. Telecom IP NGN Network
Internal For. Use Internal Only▲ Course Objectives Use Only▲ • Getting familiar with the topology of IPNGN network • Explain the function of devices in the network • Explain the implementation of services <Confidentialand and. Proprietary. Informationofof. ZTECORPORATION> Corporation >
Internal For. Use Internal Only▲ Course Contents • Chapter I IP NGN Overview • Etho. Telecom Backbone Network • Logical Topology of IPNGN Network • Network Topology of Dessie Site <Confidentialand and. Proprietary. Informationofof. ZTECORPORATION> Corporation > Use Only▲
Internal Use Only▲ <Confidential and Proprietary Information of ZTE CORPORATION>
Internal For. Use Internal Only▲ Course Contents • Chapter I IP NGN Overview • Etho. Telecom Backbone Network • Logical Topology of IPNGN Network • Network Topology of Dessie Site <Confidentialand and. Proprietary. Informationofof. ZTECORPORATION> Corporation > Use Only▲
Logical Topology Of IP NGN network <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
Internal For. Use Internal Only▲ Course Contents • Chapter I IP NGN Overview • Etho. Telecom Backbone Network • Logical Topology of IPNGN Network • Network Topology of Dessie Site <Confidentialand and. Proprietary. Informationofof. ZTECORPORATION> Corporation > Use Only▲
Network Topology of Dessie Site <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
Internal For. Use Internal Only▲ Course Contents • Chapter II Basic Function of Devices • CS – Convergence Switches • ER – Edge Router • CR Routers – Core Router • BR – Backbone Routers • GER – General Excellent Router • BRAS – • RR – Route Reflector <Confidentialand and. Proprietary. Informationofof. ZTECORPORATION> Corporation > Use Only▲
CS ( Convergence Switch) n Internal Use Only▲ The function of switch include: • Converge traffic from different services and route to the edge router • Provide interface for different services • Isolation of data for different services based on vlan • Port level QOS ZXR 10 T 240 G/T 160 G/T 64 G/T 40 G MPLS 10 G Routing SW <Confidential and Proprietary Information of ZTE CORPORATION>
ER ( Edge Router) n q The function of ER include: • Serves as a gateway for different services • VPN based Isolation of services • Different policies related to each services are defined on the ER • Services routes are advertised here M 6000 routers are used as ER routers <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
CR ( Core Router) n q The function of CR include: • Converge traffic from ER routers on a site • Provide redundant link to the BR routers M 6000 routers are also used as CR routers <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
BR ( Backbone Router) n q The function of BR include: • Route inter site/regional traffic • Provide redundant link to the CR routers with a mesh topology • Advertize default route to ER routers for Data services T 8000 routers are used as BR routers <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
GER ( General Excellent Router) n The function of GER include: • Provide NAT service for internet traffic <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
BRAS ( Broad Band Access Server) n q Internal Use Only▲ The function of BRAS include: • Serves as a gateway for IPo. E and PPPOE users • Isolate broadband users based on vlan and interface • Allocate IP address for broadband users 10800 E routers serve as bras in IP NGN network <Confidential and Proprietary Information of ZTE CORPORATION>
RR ( Route Reflector) n The function of RR include: • q Reflect VPNV 4 route to ER M 6000 routers are used as RR routers ? <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
Service Deployment In IP NGN network n Services carried by IP NGN network: • GSM/ CDMA traffic • Fixed line traffic • Data/Internet traffic q All services are deployed as a separate VPN q MPBG used as routing protocol q MPLS switching provides routing through the network <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲
Summary n Network Topology of IP NGN n The function of devices in IP NGN network q Service deployment in IP NGN network <Confidential and Proprietary Information of ZTE CORPORATION> Internal Use Only▲