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From: Glen Daniels <gdaniels@allaire.com>
Date: Fri, 19 Jan 2001 17:16:45 -0500
Message-ID: <C3843BD1B83DD2119D79000092A7BAD405D9B951@platinum.allaire.com>
To: "'xml-dist-app@w3.org'" <xml-dist-app@w3.org>

Here is the expanded use-case for DS807 (formerly DR807 - Tracking).
Comments welcome.

A developer wishes to track her message to see exactly which intermediaries
have touched it by the time it arrives at its destination.

NOTE: the following is supplimentary text with this use case, which was
deigned too "implementation specific."  It may be utilized later in
determining if indeed the XP spec can satisfy the use-case.

She inserts a "marker" extension into the message, which indicates to all
receiving entities that they should insert a "tracking" extension into the
message as it flows along the intermediary chain.  As auditing is criticial
for this example, our developer has marked the "marker" extension as being
mandatory - so any intermediary unable to process it should fail in a
well-defined way.  Each successful intermediary then inserts an appropriate
tracking extension, and when the recipient receives the message, it now
contains an ordered list of the intermediaries.

Glen Daniels
Allaire Corp
Engineering Manager
                                Building cool stuff for web developers
Received on Friday, 19 January 2001 17:16:48 UTC

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