Part II. The OSPF Protocol

In Part II, we discuss the OSPF protocol. We start in Chapter 3, Developing the OSPF Protocol, by discussing why OSPF was developed in the first place and the original requirements and design decisions. We also discuss how OSPF has evolved, first as the result of interoperability testing and Internet deployments and then in reaction to evolution of the Internet itself.

Chapter 4, OSPF Basics, discusses the basic protocol mechanisms of OSPF. Link-state routing was originally designed for networks whose packet-switching computers were interconnected by point-to-point links, and so we restrict ourselves to those topologies. At the core of a link-state protocol is the link-state database, and in Chapter 4, we discuss the ...

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