Chapter 11. Neighbor Greeting and Autoconfiguration
Neighbor greeting is one of three more or less orthogonal aspects of a network layer protocol. Neighbor greeting is the process by which endnodes find adjacent routers, distinguish adjacent nodes from those reachable only through a router, and find the data link layer address of adjacent nodes. It is also the process by which routers find the network layer address and data link layer address of adjacent endnodes. I also lump into this piece the ability for an endnode to find out its own layer 3 address.
This piece depends on the properties of the link. There are three basic types of links: point-to-point, LAN, and NBMA (nonbroadcast multiple access). The strategies are different for each type ...
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