W3C home > Mailing lists > Public > www-ws-desc@w3.org > February 2002

DR042 [was Web Services Description: Requirements]

From: Jeffrey Schlimmer <jeffsch@windows.microsoft.com>
Date: Wed, 13 Feb 2002 15:08:03 -0800
Message-ID: <2E33960095B58E40A4D3345AB9F65EC1054D9235@win-msg-01.wingroup.windeploy.ntdev.microsoft.com>
To: "David Booth" <dbooth@w3.org>
Cc: <www-ws-desc@w3.org>
Regarding DR042, yes. I meant be able to create a new port type from
another by adding more operations. That is, an extended port type
supports a superset of the operations of a base port type. This is right
at the edge of the hairy substitutability issues (where parts of a
request message may vary in generality differently than parts of a
response message), but I've seen some compelling cases for this
behavior, and I'm cautiously optimistic that it could actually be made
to interop reasonably well.


-----Original Message-----
From: David Booth [mailto:dbooth@w3.org] 
Sent: Monday, February 11, 2002 1:01 PM
To: Jeffrey Schlimmer
Cc: www-ws-desc@w3.org
Subject: Re: Web Services Description: Requirements

At 06:11 PM 2/8/2002 -0800, you wrote:
>Must be able to describe sets of messages that form a logical group 
>(i.e., a port type).
>Must be able to derive a port type from another by extension of the 
>logical group of messages.

Do you mean creating a new port type from another by adding more message


David Booth
Received on Wednesday, 13 February 2002 18:11:10 UTC

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