Internet Info 1997 December/Internet_Info_CD-ROM_Walnut_Creek_December_1997.iso/ietf/urn/urn-archives/urn-ietf.archive.9608/000016_owner-urn-ietf _Fri Aug 16 15:49:52 1996.msg

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Date: Fri, 16 Aug 1996 13:54:56 -0600
To: [e-mail]
From: Ron Daniel <[e-mail]>
Subject: [URN] revision of NAPTR draft
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Reply-To: Ron Daniel <[e-mail]>
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Hi all,

The next message from me will be the text of the revised NAPTR
draft. The major changes are:

1) The pattern field has been split into two fields - replacement
   and regexp. If one particular domain name is to be the output
   of a rewrite, it is given in the replacement field. This allows
   domain name compression to be used. The change was made at
   the request of Paul Vixie.

2) The preference field has been split into "order" and "preference"
   fields. I was afraid that domain administrators would abuse the
   original preference field to state preferred resolvers, rather
   than follow the spec which stated that it should be used for
   evaluating NAPTRs in the correct order for name delegation to
   work. (The choice of names was probably not a big help either :-)
   Since there was no other way for resolver administrators to
   say "please contact this service if you can, only use this
   other one if you must" the change seems justified.

This draft does not incorporate Lewis Girod's suggested replacement
for regexps. I would like to see some more discussion on the list
of that topic.

Next week I will submit the revised draft to the Internet-drafts
editor, but wanted to give people on this list some advance
notice.

Regards,
Ron Daniel Jr.                       email: [e-mail]
Advanced Computing Lab               voice: [phone]
MS B287                                fax: [phone]
Los Alamos National Laboratory        http://www.acl.lanl.gov/~rdaniel/
Los Alamos, NM, USA  87545       tautology:"Conformity is very popular"