Download - EthioTelecom IP NGN Network
EthioTelecom IP NGN Network
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Course Objectives
• Getting familiar with the topology of IPNGN network• Explain the function of devices in the network • Explain the implementation of services
For Internal Use Only▲
<Confidential and Proprietary Information of ZTE Corporation ><Confidential and Proprietary Information of ZTE CORPORATION>
Internal Use Only▲
Course Contents
• Chapter I IP NGN Overview
• EthoTelecom Backbone Network
• Logical Topology of IPNGN Network
• Network Topology of Dessie Site
Internal Use Only▲
<Confidential and Proprietary Information of ZTE CORPORATION>
For Internal Use Only▲
<Confidential and Proprietary Information of ZTE Corporation ><Confidential and Proprietary Information of ZTE CORPORATION>
Internal Use Only▲
Course Contents
• Chapter I IP NGN Overview
• EthoTelecom Backbone Network
• Logical Topology of IPNGN Network
• Network Topology of Dessie Site
Internal Use Only▲
<Confidential and Proprietary Information of ZTE CORPORATION>
Logical Topology Of IP NGN network
For Internal Use Only▲
<Confidential and Proprietary Information of ZTE Corporation ><Confidential and Proprietary Information of ZTE CORPORATION>
Internal Use Only▲
Course Contents
• Chapter I IP NGN Overview
• EthoTelecom Backbone Network
• Logical Topology of IPNGN Network
• Network Topology of Dessie Site
Internal Use Only▲
<Confidential and Proprietary Information of ZTE CORPORATION>
Network Topology of Dessie Site
For Internal Use Only▲
<Confidential and Proprietary Information of ZTE Corporation ><Confidential and Proprietary Information of ZTE CORPORATION>
Internal Use 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
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CS ( Convergence Switch)
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
ZXR10 T240G/T160G/T64G/T40GMPLS 10G Routing SW
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ER ( Edge Router)
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
M6000 routers are used as ER routers
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CR ( Core Router)
The function of CR include:• Converge traffic from ER routers on a site
• Provide redundant link to the BR routers
M6000 routers are also used as CR routers
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BR ( Backbone Router)
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
T8000 routers are used as BR routers
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GER ( General Excellent Router)
The function of GER include:• Provide NAT service for internet traffic
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BRAS ( Broad Band Access Server)
The function of BRAS include:• Serves as a gateway for IPoE and PPPOE users
• Isolate broadband users based on vlan and interface
• Allocate IP address for broadband users
10800E routers serve as bras in IP NGN network
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RR ( Route Reflector)
The function of RR include:• Reflect VPNV4 route to ER
M6000 routers are used as RR routers ?
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Service Deployment In IP NGN network
Services carried by IP NGN network:• GSM/ CDMA traffic
• Fixed line traffic
• Data/Internet traffic
All services are deployed as a separate VPN
MPBG used as routing protocol
MPLS switching provides routing through the
network
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Summary
Network Topology of IP NGN
The function of devices in IP NGN network
Service deployment in IP NGN network
