Implementation of IPv6 in 4.4 BSD
Randall J. Atkinson, Daniel L. McDonald, Bao G. Phan,
Craig W. Metz, and Kenneth C. Chin
Information Technology Division, Naval Research Laboratory
Abstract
The widespread availability of the TCP/IP protocols in early versions
of BSD UNIX fostered the currently widespread use of those protocols
in commercial products. Rapid depletion of the IPv4 address space has
caused the Internet Engineering Task Force to design version 6 of the
Internet Protocol (IPv6). IPv6 has some similiarities with IPv4, but
it also has many differences, most notably in address size. This paper
describes our experience creating a freely distributable implementation
of IPv6 inside 4.4 BSD, with focus on the areas that have changed
between the IPv4 and IPv6 implementations.
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