RFC 791:INTERNET PROTOCOL
RFC-Ref

Addressing


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... The internet protocol implements two basic functions: addressing and fragmentation. ...


... Addressing ...


... Addressing ...
... networks with a small number of hosts. In addition there is an escape code for extended addressing mode. ...
... 8 bits of host c 111 escape to extended addressing mode ...
... network. This is only used in certain ICMP messages. The extended addressing mode is undefined. Both of these features are reserved for future use. ...


... Shoch, J., "Inter-Network Naming, Addressing, and Routing," COMPCON, IEEE Computer Society, Fall 1978. ...



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