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- Newsgroups: comp.protocols.iso
- Path: sparky!uunet!munnari.oz.au!mel.dit.csiro.au!squid.mel.dit.CSIRO.AU!ajw
- From: ajw@squid.mel.dit.CSIRO.AU (Andrew Waugh)
- Subject: Re: OSI == second system syndrome
- Message-ID: <1992Aug29.043309.20871@mel.dit.csiro.au>
- Sender: news@mel.dit.csiro.au
- Organization: CSIRO, Division of Information Technology, Melbourne
- References: <1992Aug26.154940.14823@sequent.com> <BtMtov.9xK@immd4.informatik.uni-erlangen.de> <ggm.714969881@brolga>
- Date: Sat, 29 Aug 92 04:33:09 GMT
- Lines: 20
-
- In article <ggm.714969881@brolga> ggm@brolga.cc.uq.oz.au (George Michaelson) writes:
- >lightweight protocols/services win hands down [over X.500]. The community
- >would have been better served by a targeted service for mail
- >location/delivery and not a catch-all.
-
- The community has a lightweight protocol which can be used for mail location
- and delivery. It is called DNS. The tree structure used in DNS is almost
- identical to that used in X.500, as are the procedures for navigation,
- replication and distribution.
-
- The major differences between X.500 and DNS are i) the provision of the
- 'attribute' data model in X.500 and ii) the more powerful operations
- (such as modify) in X.500.
-
- That DNS is not widely used for mail location/delivery(*) suggests
- that there was actually a need for some of the complications in X.500.
-
- Andrew Waugh
-
- (*) for users. DNS is, of course, used extensively to look up IP addresses :-).
-