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Through the process of routing, routable data is forwarded by choosing the best route among the various available routes or paths for destination. The data that is not explicitly destined to it is forwarded by using a router.
Distance Vector Routing Protocol: A router running distance vector protocol advertises its connected routes and learns new routes from its neighbors. Hops between the source and destination are considered for calculating the routing cost for reaching a destination. For selecting the best path, usually router relies on its neighbour known as “routing-by-rumors”. The Distance Vector Protocols are RIP and BGP.
Link-State Routing Protocol: The state of the Link is acknowledged by this protocol and is advertised to the neighbours. Peer Routers help in learning information about new links. After all the routing information has been converged, its own algorithm is used by the Link-State Routing Protocol for calculating the best path to all the available links.
Routing protocols can be divided in two categories:
RIPng stands for Routing Information Protocol Next Generation. An internal Routing Protocol which is a Distance Vector Protocol is RIPng which has been upgraded for supporting IPv6.
An interior Routing Protocol which has been modified for supporting IPv6 is Open Shortest Path First version 3. Djikrasta’s Shortest Path First algorithm is used for calculating the path for all destinations by this link-State Protocol.
BGP stands for Border Gateway Protocol. It is the only open standard Exterior Gateway Protocol available. BGP is a Distance Vector protocol which takes Autonomous System as calculation metric, instead of the number of routers as Hop. BGPv4 is an upgrade of BGP to support IPv6 routing.
The following are some of the protocols that ate changed to support IPv6.
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Internet Protocol version 6 (IPv6) Related Tutorials |
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Networking Tutorial | Internet Technologies Tutorial |
Internet Protocol version 6 (IPv6) Related Practice Tests |
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Networking Practice Tests | Voice Over Internet Protocol (VOIP) Practice Tests |
Enhanced Interior Gateway Routing Protocol (EIGRP) Practice Tests |
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