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Re: Straw-man Proposal for our mission statement

From: Greg Ritzinger <GRitzinger@novell.com>
Date: Fri, 09 May 2003 12:03:53 -0600
Message-Id: <sebb9948.075@prv-mail20.provo.novell.com>
To: <sambrosz@IPIPAN.Waw.PL>, <jdart@tibco.com>
Cc: <Daniel_Austin@grainger.com>, <public-ws-chor@w3.org>

I agree, the mission statement's focus should be on services w/ a WSDL
definition.

rgds,
Greg

>>> "Jon Dart" <jdart@tibco.com> 5/9/2003 1:53:28 PM >>>

I also find "external systems" confusing here. The assumption to date
in 
this group, and also in WSCI and BPEL4WS, is that the services 
participating in choreography have a WSDL definition. If that is the 
case then choreography describes interaction among web services. If 
there's an external agent involved it is the clients of one or more web

services .. whcih may be what Stanislaw is saying below.

--Jon

Stanislaw Ambroszkiewicz wrote:
> 
> Daniel Austin wrote:
> <mission statement group = "ws-chor" type="CSF level 0">
> The mission of the Web Services Choreography Working Group at W3C is
to
> specify the means by which Web Services may collaborate with
external
> systems, specifically in the composition of multiple services and
the
> sequencing of messages among them.
> </mission statement>
> 
> IMHO services are to be used by clients.
> I wonder what is a service that "may collaborate", and what is the
purpose
> of that collaboration?
> Since you exclude service interface, how a service
> can collaborate with others services without knowing their types,
i.e.,
> without knowing what they do?
> 
> Best regards,
> Stanislaw
> 
> 
> 
Received on Friday, 9 May 2003 14:04:31 GMT

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