name service heritage

[Jonathan I. Kamens]

In article <cc6sZ4w163w at wvus.wciu.edu>, pete at wvus.wciu.edu (Pete Gregory) writes:
|> What is name service's "heritage"?  From which UNIX did it come?  Is it
|> standard on few/some/most other AT&T-based UNIX releases?

  This is more of an "Internet question" than a "Unix question," since the
Internet distributed name service protocol was developed as an Internet
protocol before any Unix people implemented it.

  The earliest DARPA Internet RFC I can find mentioning the DNS is RFC 830. 
There are, of course, quite a few RFC's subsequent to that, discussing
refinements and changes to the protocol.  The man page for named on my
(Berkeley-like) system references RFCs 882, 883, 973 and 974.

  I believe that Berkeley was the first "vendor" to implement Unix software to
deal with the DNS protocol.  I suspect that most vendors' implementations are
derived from the Berkeley implementation.

  (Note: The previous paragraph consists mostly of educated guessing, about
which I would be more than happy to be corrected by someone who knows more
about this than I do. :-)

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