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RE: etags in If: headers (was: 54th IETF Meeting Information, and RFC2518 open issues)

From: Jason Crawford <ccjason@us.ibm.com>
Date: Fri, 26 Apr 2002 01:06:02 -0400
To: Yves Lafon <ylafon@w3.org>
Cc: "Clemm, Geoff" <gclemm@Rational.Com>, "Webdav WG (E-mail)" <w3c-dist-auth@w3.org>
Message-ID: <OFAB2A7645.D0B7FB61-ON85256BA7.001AFADD@pok.ibm.com>

Well, using also ETag verification allows consistency check. If you still
have your lock and the ETag has changed, then it's because something nasty
happened on the server side (as the ETag represents more or less a version
tag of the resource).
As it won't cost anything, I don't understand why you want to remove a
consistency check.
He wasn't suggesting giving up the consistancy check.  He was suggesting
can already do that consistancy check without IF:/etag.  You can use
HTTP's IF-MATCH:/etag instead in most cases.
Received on Friday, 26 April 2002 01:07:05 UTC

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