Dissimilar Routing Protocols
Routers use routing protocols to calculate routes, share network topology information, and identify optimal next-hops for any given datagram. These protocols are completely transparent to the end systems in a network. Therefore, solving incompatibilities between them may not be as large or vexing a challenge as with routed protocols.
Internetworking two (or more) networks that use dissimilar routing protocols may be accomplished in three different ways:
Integrated routing protocols
Redundant routing protocols
Redistributing route information
The merits and implications of each of these potential solutions are examined throughout the remainder of this chapter.
Integrated Routing Protocols
One approach to supporting ...
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