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ME60 V800R010C10SPC500 Feature Description - WAN Access 01

This is ME60 V800R010C10SPC500 Feature Description - WAN Access
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Classification of Dynamic Routing Protocols

Classification of Dynamic Routing Protocols

Dynamic routing protocols can be classified based on the following criteria.

Based on the Application Scope

Based on the application scope, routing protocol types can be defined as follows:

  • Interior Gateway Protocol (IGP): runs within an Autonomous System (AS), such as RIP, OSPF, and IS-IS.

  • Exterior Gateway Protocol (EGP): runs between ASs. At present, BGP is the most widely used EGP.

Based on the Routing Algorithm

Based on the routing algorithm, routing protocol types can be defined as follows:

  • Distance-vector routing protocol: includes RIP and BGP. BGP is also called a path-vector protocol.

  • Link-state routing protocol: includes OSPF and IS-IS.

These routing algorithms differ in their methods of discovering and calculating routes.

Based on the Destination Address Type

Based on the destination address type, routing protocol types can be defined as follows:

  • Unicast routing protocol: includes RIP, OSPF, BGP, and IS-IS.

  • Multicast routing protocol: includes Protocol Independent Multicast-Sparse Mode (PIM-SM).

This chapter describes unicast routing protocols only. For details on multicast routing protocols, see the HUAWEI ME60 Multiservice Control Gateway Feature Description - IP Multicast.

Routers manage both static and dynamic routes. These routes can be exchanged between different routing protocols to implement readvertisement of routing information.

Updated: 2019-01-04

Document ID: EDOC1100059473

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