lec-28 - What's Next. Network Layer Network layer service...

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16 Oct 2008  BITS C481 (Computer Networks) 1 What’s Next… Network Layer Network layer service models (Done!!!) Forwarding versus routing (Done!!!) How a router works (Done!!!) Internet protocol (Done!!!) IPV4 to IPV6 Transition (Done!!!) Routing (path selection) Algorithms Dijkstra’s algorithm Distance Vector Routing Protocols RIP BGP OSPF Multicast Routing
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16 Oct 2008  BITS C481 (Computer Networks) 2 Routing Algorithms A host is attached directly to one router called default router Purpose of RA is to find a “Good path” (least cost) between source and destination A graph is used to formulate routing problems
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16 Oct 2008  BITS C481 (Computer Networks) 3 u y x w v z 2 2 1 3 1 1 2 5 3 5 Graph: G = (N,E) N = set of routers = { u, v, w, x, y, z } E = set of links ={ (u,v), (u,x), (v,x), (v,w), (x,w), (x,y), (w,y), (w,z), (y,z) } Graph Abstraction
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16 Oct 2008  BITS C481 (Computer Networks) 4 Routing Algorithm classification Global or decentralized information?
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This note was uploaded on 07/20/2009 for the course CONPUTER S BITS C481 taught by Professor Prof.virendersinghshekhawat during the Fall '08 term at Birla Institute of Technology & Science, Pilani - Hyderabad.

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lec-28 - What's Next. Network Layer Network layer service...

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