Re: Apps Messaging - Semantics of a Message

From: Paul Harrison <pharriso-at-eso.org>
Date: Wed, 25 Apr 2007 16:58:13 +0200

On 16.04.2007, at 11:50, Paul Harrison wrote:

> This extended "application messaging" use case seems to overlap
> hugely with the "Parameterized Application" use case of the
> Universal Worker Service (UWS-PA) that the Grid WG has developed.
> The UWS was primarily designed as a client-server protocol, so
> already has a SOAP profile, and will have a pure REST profile by
> Bejiing interop. However, it would be conceivable to create an
> intra-desktop profile to meet the "applications messaging" use
> case, all using essentially the same registry-storable message
> description metalanguage.

Although this message was conspicuously ignored, being stubborn I will try again.

I note that CEA (UWC-PA) already has many of the features proposed for a PLASTIC 1.0, namely

http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#AddSecurity
http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#MessageIds
http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#AsynchOnly
http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#ParamTypes
http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#ParamsByName
http://www.ivoa.net/twiki/bin/view/IVOA/PlasticOnePointOh#UrlParams


However, even if you want to press on along separate tracks to the Grid WG, I would be interested in collaborating over the mtypes idea (though I am not convinced that it is sufficiently different from a UCD or a UType to have a separate name), as CEA does lack a machine decidable description of

Paul Harrison
ESO Garching
www.eso.org Received on 2007-04-25Z16:58:29