Chapter 5. IP Addressing and Routing Protocols
Efficiently assigning IP addresses to your network is a critical design decision, impacting the scalability of the network and the routing protocol that can be used. This section reviews IP Version 4 addressing, introduces IP Version 6 addressing, and analyzes characteristics of various routing protocols.
IP Addressing
Before discussing design decisions surrounding IP addressing, first review the following characteristics of Internet Protocol Version 4 (IPv4) addressing:
• IPv4 addresses are 32 bits in length.
• IPv4 addresses are divided into various classes (for example, Class A networks accommodate more than 16 million unique IP addresses, Class B networks support more than 65 thousand IP addresses, ...
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