W3C home > Mailing lists > Public > www-ws-desc@w3.org > October 2003

RE: PROPOSAL: Drop interface/operation/(input|output)/@headers

From: Jeffrey Schlimmer <jeffsch@windows.microsoft.com>
Date: Tue, 28 Oct 2003 17:45:09 -0800
Message-ID: <DDE1793D7266AD488BB4F5E8D38EACB8038DC8A6@WIN-MSG-10.wingroup.windeploy.ntdev.microsoft.com>
To: <paul.downey@bt.com>, <gdaniels@sonicsoftware.com>, <Roberto.Chinnici@Sun.COM>, <sanjiva@watson.ibm.com>
Cc: <www-ws-desc@w3.org>

It is very important that we do not confuse programming model with a
description of message-level interoperability.

If you need a hint about how to surface something in the programming
model, you should consider defining that as something that may be
ignored by endpoints that have their own, potentially-very different
idea of programming model.


> -----Original Message-----
> From: www-ws-desc-request@w3.org [mailto:www-ws-desc-request@w3.org]
> Behalf Of paul.downey@bt.com
> Sent: Tuesday, October 28, 2003 2:26 AM
> To: gdaniels@sonicsoftware.com; Roberto.Chinnici@Sun.COM;
> sanjiva@watson.ibm.com
> Cc: www-ws-desc@w3.org
> Subject: RE: PROPOSAL: Drop
> Glen wote:
> > Correct.  Essentially, the only kinds of headers that are worth
> specifying
> with the mechanism that exists today are the "cookie-esque" ones -
> "please send me the value 'xq57jb' back in the header
> Oh, and send it on every single message, too."  Anything with more
> semantics than that can't really be accommodated with the current
> So I think it's a pretty simple matter to define a "sideband data"
> module which simply takes a property consisting of a set of elements,
> inserts them as SOAP headers.
> One problem we have with current tools is some generate application
> for headers defined in WSDL whist other ignore them altogether.
> I think it would useful if a toolkit could *know* if a header was
> for an application or for a lower-layer protocol ?
> - could F&P be used to describe which /role/ a header is intended for
> - or maybe headers *and* F&P would provide this distinction ?
> - or am i barking ?
> --
> Paul Sumner Downey
> Web Services Integration
> BT Exact
Received on Tuesday, 28 October 2003 20:45:14 UTC

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