Selecting a Routing Protocol
Network designers and engineers frequently ask, “Which routing protocol should I use?” This section compares the two link-state protocols that are discussed in this chapter—IS-IS and OSPF. However, consider the following issues before selecting a routing protocol:
Operational considerations— Determine how easy it is to manage a network over time. These considerations include how to determine a protocol’s capability to adapt to changes, how to minimize disruptions to the network, and how to troubleshoot problems.
Technical considerations— Assist in determining whether a given protocol is capable of supporting a particular set of network requirements.
Business considerations— Defined as business priorities and policies ...
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