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Re: xp requirement document specifies headers

From: Hugo Haas <hugo@w3.org>
Date: Mon, 22 Jan 2001 16:40:15 -0500
To: "Eric Prud'hommeaux" <eric@w3.org>
Cc: xml-dist-app@w3.org
Message-ID: <20010122164015.A3501@tux.w3.org>
On Mon, Jan 22, 2001, Eric Prud'hommeaux wrote:
> I noticed that the xp requirements document now defines and requires
> a header [1]. Due to a limitation of two participants from an
> organization, I have not participated in the teleconferences or face
> to face meetings. However, I don't believe that there is a paper trail
> in xml-dist-app [2] documenting consensus on adopting this
> terminology/constraint from the May 2000 SOAP note [3].

The revised R305[8] provides an analogy with SOAP headers.

However, I think that the glossary goes beyond this, defining[10] the
XP message as containing an XP header and an XP body, ruling out, for
example, footers.

At the December face-to-face[9], Yves mentionned using footers (for
example for MD5 sums):

   Yves: Nothing precludes you from adding information at the end. If you
   put headers at the beginning of the message for intermediaries,
   doesn't preclude you

I think that the glossary is making here a technical decision based on
SOAP that we should make during the protocol design, not at the
requirements stage.

Since the body is a particular type of header (a set of "XP blocks
intended for ultimate XP receiver"), I am not sure that this
distinction is really necessary.

> 1 http://www.w3.org/2000/xp/Group/xp-reqs-05#fig2
> 2 http://lists.w3.org/Archives/Public/xml-dist-app/
> 3 http://www.w3.org/TR/2000/NOTE-SOAP-20000508
> 4 http://www.w3.org/2000/xp/Group/xp-reqs-05#g350
> 5 http://www.w3.org/TR/2000/NOTE-SOAP-20000508#_Toc478383497
> 6 http://www.w3.org/TR/2000/NOTE-SOAP-20000508#_Toc478383503
> 7 http://www.w3.org/TR/2000/NOTE-SOAP-20000508#_Toc478383504
  8 http://lists.w3.org/Archives/Public/xml-dist-app/2001Jan/0027.html
  9 http://www.w3.org/2000/xp/Group/0/12/f2f-minutes
 10 http://www.w3.org/2000/xp/Group/xp-reqs-05#N3010

Hugo Haas - W3C/MIT
mailto:hugo@w3.org - http://www.w3.org/People/Hugo/ - tel:+1-617-452-2092
Received on Monday, 22 January 2001 16:40:15 UTC

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