Chapter 1. General Networking Theory
General Routing Concepts
Link-state and Distance Vector Protocols
Distance vector
- Examples: Routing Information Protocol Version 1 (RIPv1), RIPv2, Interior Gateway Routing Protocol (IGRP)
- Features periodic transmission of entire routing tables to directly connected neighbors
- Mathematically compares routes using some measurement of distance
- Features hop-count limitation
Link State
- Examples: Open Shortest Path First (OSPF), Intermediate System-to-Intermediate System (IS-IS).
- Sends local connection information to all nodes in the internetwork.
- Forms adjacencies with neighboring routers that speak the same protocol; sends local link information to these devices.
- Note that although this is flooding of information ...
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