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Article #531

Domains and routing

#531
From: Hokey
Date: Sat, 20 Jul 1985 23:29
30 lines
2226 bytes
In article <55500002@hpfclo.UUCP> jad@hpfclo.UUCP (jad) writes:
>	An example of what I'd like to see:
>	    if I want to get mail here (say, at hpfclo.FC.HP.COM),
>	    someone should be able to send to hpfclo.COM from anywhere.
>	    If their host does not know hpfclo, it routes to the nearest
>	    .COM smarter_neighbor ... who knows that hpfclo.FC.HP is in
>	    the .HP subdomain, and sends to the .HP smarter_neighbor,
>	    who sends to the .FC smarter_neighbor, who sends to me.
The problem is that the official name of your site, hpfclo, is (in your
example) hpfclo.fc.hp.com, and it is *WRONG* to accept hpfclo.com as
an alias, because I plan on registering that very name to stand for a new
company, "Hokey's Potatoe chips with Food Coloring Left Out", and I aim
to get that name registered ahead of you!

One of the major purposes of having a domain tree is to permit names which
would otherwise be duplicates to be disambiguated by their full domain name.
This means the machine named "ra" at Sun Microsystems, UCSD, and Somewhere
in the UK are all permitted to be called ra because they could live
unambigously under higher-level domain.

If you meant hpfclo.fc.hp.com where you said hpfclo.com, never mind!

In any event, you missed a couple of steps.  Failing to find hpfclo.fc.hp.com
in the local tables, the search would continue with fc.hp.com.  If that failed,
the next step would be to search for hp.com, and finally, com.

Unless, of course, you just pass along the mail to a smarter mailer.
-- 
Hokey           ..ihnp4!plus5!hokey
		  314-725-9492
Technical Details
Message-ID: <797@plus5.UUCP>
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!ihnp4!plus5!hokey
References: <918@sdcsvax.UUCP> <55500002@hpfclo.UUCP>

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Relay-Version: version B 2.10 5/3/83; site utzoo.UUCP
Posting-Version: version B 2.10.3 4.3bsd-beta 6/6/85; site plus5.UUCP
Path: arc1-ca.pugleaf.net!utzoo!watmath!clyde!burl!ulysses!mhuxr!mhuxt!houxm!ihnp4!plus5!hokey
From: hokey@plus5.UUCP (Hokey)
Newsgroups: net.mail.headers
Subject: Domains and routing
Message-ID: <797@plus5.UUCP>
Date: Sat, 20-Jul-85 19:29:01 EDT
Article-I.D.: plus5.797
Posted: Sat Jul 20 19:29:01 1985
Date-Received: Mon, 22-Jul-85 06:33:39 EDT
References: <918@sdcsvax.UUCP> <55500002@hpfclo.UUCP>
Reply-To: hokey@plus5.UUCP (Hokey)
Organization: Plus Five Computer Services, St. Louis, MO
Lines: 30