Chap-14 RIP, OSPF - Chapter14 Unicast Routing Protocols:...

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TCP/IP Protocol Suite 1 Chapter   14 Chapter   14 Upon completion you will be able to: Unicast Routing Protocols: Unicast Routing Protocols: RIP, OSPF, and BGP RIP, OSPF, and BGP Distinguish between intra and interdomain routing Understand distance vector routing and RIP Understand link state routing and OSPF Understand path vector routing and BGP Objectives
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TCP/IP Protocol Suite 2 14.1 INTRA- AND INTERDOMAIN ROUTING Routing inside an autonomous system is referred to as intradomain Routing inside an autonomous system is referred to as intradomain routing. Routing between autonomous systems is referred to as routing. Routing between autonomous systems is referred to as interdomain routing. interdomain routing.
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TCP/IP Protocol Suite 3 Figure 14.1 Autonomous systems
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TCP/IP Protocol Suite 4 Figure 14.2 Popular routing protocols
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TCP/IP Protocol Suite 5 14.2 DISTANCE VECTOR ROUTING In distance vector routing, the least cost route between any two nodes is In distance vector routing, the least cost route between any two nodes is the route with minimum distance. In this protocol each node maintains a the route with minimum distance. In this protocol each node maintains a vector (table) of minimum distances to every node vector (table) of minimum distances to every node The topics discussed in this section include: The topics discussed in this section include: Initialization Initialization Sharing Sharing Updating Updating When to Share When to Share Two-Node Loop Instability Two-Node Loop Instability Three-Node Instability Three-Node Instability
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TCP/IP Protocol Suite 6 Figure 14.3 Distance vector routing tables
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TCP/IP Protocol Suite 7 Figure 14.4 Initialization of tables in distance vector routing
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TCP/IP Protocol Suite 8 In distance vector routing, each node shares its routing table with its immediate neighbors periodically and when there is a change. Note: Note:
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TCP/IP Protocol Suite 9 Figure 14.5 Updating in distance vector routing
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TCP/IP Protocol Suite 10 Figure 14.6 Two-node instability
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TCP/IP Protocol Suite 11 Figure 14.7 Three-node instability
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TCP/IP Protocol Suite 12 14.3 RIP The Routing Information Protocol (RIP) is an intradomain routing The Routing Information Protocol (RIP) is an intradomain routing protocol used inside an autonomous system. It is a very simple protocol protocol used inside an autonomous system. It is a very simple protocol based on distance vector routing. based on distance vector routing. The topics discussed in this section include:
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This note was uploaded on 04/26/2010 for the course CSE CS501 taught by Professor Dmathur during the Winter '10 term at National Institute of Technology, Calicut.

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Chap-14 RIP, OSPF - Chapter14 Unicast Routing Protocols:...

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