Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.2 9/18/84; site im4u.UUCP
Path: utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxn!ihnp4!alberta!ubc-vision!uw-beaver!tektronix!hplabs!qantel!dual!lll-crg!mordor!ut-sally!im4u!jsq
From: jsq@im4u.UUCP (John Quarterman)
Newsgroups: net.mail
Subject: Re: Mail routing -- problems showing up
Message-ID: <559@im4u.UUCP>
Date: Thu, 26-Sep-85 15:31:04 EDT
Article-I.D.: im4u.559
Posted: Thu Sep 26 15:31:04 1985
Date-Received: Mon, 30-Sep-85 02:08:12 EDT
References: <508@im4u.UUCP> <582@down.FUN> <525@im4u.UUCP> <594@down.FUN>
Reply-To: jsq@im4u.UUCP (John Quarterman)
Organization: U. Texas CS Dept., Austin, Texas
Lines: 14

To avoid the three bilbos problem on UUCP, you must have a master
registry of all UUCP host names.  This must be quite large, and will
always be out of date and ignored by some, as witness that there
actually are three bilbos on UUCP.

With domains, the bilbos would presumably be named bilbo.WHEREVER.UUCP,
bilbo.FUN.BEACH,  bilbo.A.B.C, etc.  Whoever names each bilbo need only
know that its name is unique within the immediately local domain.
So, with domains you only need, in each domain, a registry for hosts
in that domain, and a registry of domains (which appears to be starting
to exist in mod.map).
-- 
John Quarterman,   UUCP:  {ihnp4,seismo,harvard,gatech}!ut-sally!jsq
ARPA Internet and CSNET:  jsq@sally.UTEXAS.EDU, formerly jsq@ut-sally.ARPA


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