Chapter 17. CLASSFUL (CONVENTIONAL) ADDRESSING
The original addressing method for IP addresses divided the IP address space into five chunks of different sizes called classes, and assigned blocks of addresses to organizations from these classes based on the size and requirements of the organization. In this classful addressing scheme, each class is reserved for a particular purpose, with the main address classes differentiated based on how many octets are used for the network identifier (network ID) and how many are used for the host identifier (host ID).
In this chapter, I describe classful IP addressing. I begin with an overview of the concept ...
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