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

Re: Extending port types (AKA a scenario for UPnP)

From: Jean-Jacques Moreau <moreau@crf.canon.fr>
Date: Mon, 06 May 2002 11:14:09 +0200
Message-ID: <3CD64961.CAEFADC4@crf.canon.fr>
To: Jeffrey Schlimmer <jeffsch@windows.microsoft.com>
CC: www-ws-desc@w3.org
I don't know if this is being put forward as a formal proposal,
but I like the general direction this is going.

Jean-Jacques.

Jeffrey Schlimmer wrote:

> A possible solution to this would be to allow one port type to
> derive from another by extending the set of operations
> supported. The description of the “extended tuner” would not
> have to re-list the operations defined by the “basic tuner”,
> but more importantly, the dual-tuner device could list just two
> ports of type “extended tuner”, and down-level clients could
> look at the derivation of the port type to recognize the “basic
> tuner”.
>
Received on Monday, 6 May 2002 05:14:50 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Monday, 7 December 2009 10:58:20 GMT