W3C home > Mailing lists > Public > www-ws-arch@w3.org > July 2002

RE: [HST] WSDL

From: David Orchard <dorchard@bea.com>
Date: Wed, 24 Jul 2002 07:11:57 -0700
To: "'Mark Baker'" <distobj@acm.org>, "'Hao He'" <Hao.He@thomson.com.au>
Cc: <www-ws-arch@w3.org>
Message-ID: <045e01c2331c$12698000$0100007f@beasys.com>

I think we should document the architecture embodied in WSDL.  If we applied
the test of "how people use it today", the REST position would be quite
different than it currently is....

Cheers,
Dave

> -----Original Message-----
> From: www-ws-arch-request@w3.org [mailto:www-ws-arch-request@w3.org]On
> Behalf Of Mark Baker
> Sent: Wednesday, July 24, 2002 5:09 AM
> To: Hao He
> Cc: www-ws-arch@w3.org
> Subject: Re: [HST] WSDL
>
>
>
> On Wed, Jul 24, 2002 at 02:08:24PM +1000, Hao He wrote:
> > hi, Mark,
> >
> > Yes, harvesting a specification does not give as much as we
> would like.  The
> > more interesting question about WSDL is perhaps where the
> overal role WSDL
> > can play and should play in a WSA?
>
> To start, I think we should document how people use it today.  Then we
> can examine the overall architecture per our requirements, and decide
> exactly what role WSDL should play.
>
> > Also, should WSDL include a description about state
> transitions for a
> > RESTful WSA?
> >
> > Any thoughts?
>
> What do you think? 8-)  I'll leave the detail to later, but I
> personally
> don't see much of role for large parts of WSDL (e.g.
> operations).  WSDL
> exists primarily to be an IDL-like thing, yet the big leap forward in
> Web architecture versus previous distributed computing architectures,
> was the use of a generic interface for all components.  This
> means that
> any component can communicate with any other because they share common
> connector semantics ("actions").  With SOAP 1.1 + WSDL
> current practice,
> connector semantics are shared only between components that have built
> in knowledge of one another.  Hence the much greater
> coordination costs
> in getting them to communicate.
>
> Yesterday I saw a presentation from an analyst from Zapthink who
> suggested that by 2004/2005, Web services would be able to communicate
> with each other without any compiled-in knowledge of
> particular types of
> Web services.  Wow, what a great idea, who would have thought
> of that?!
> 8-)  Of course, the Web has been doing that since it was created.
>
> But we don't need to get into that now.
>
> MB
> --
> Mark Baker, CTO, Idokorro Mobile (formerly Planetfred)
> Ottawa, Ontario, CANADA.               distobj@acm.org
> http://www.markbaker.ca        http://www.idokorro.com
>
>
Received on Wednesday, 24 July 2002 10:13:05 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Tuesday, 3 July 2007 12:25:02 GMT