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   Re: [xml-dev] SOAP and the Web

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On Thu, May 02, 2002 at 12:14:55PM +0100, Bill de hÓra wrote:
> You mean shared methods. A SOAP setup will have at least one method, and
> I can find out their signatures I just don't know what they do
> behavourially.

Exactly!  How useful is that, if you don't know what they do?

Your only choices at this point are;

1. have a built-in expectation of what methods you'll see
2. use a pre-specified set of generic methods

The problem with #1 is that it makes communication impossible without
previous coordination.  This is why RPC can be made to work intra-
corporation (because systems are under the same administrator[1]), but
not so well inter-corporation.

#2 works well on the Internet, as the success of application protocols
like NNTP, HTTP, FTP, SMTP demonstrates.

 [1] http://java.sun.com/people/jag/Fallacies.html (#6)

Mark Baker, Chief Science Officer, Planetfred, Inc.
Ottawa, Ontario, CANADA.      mbaker@planetfred.com
http://www.markbaker.ca   http://www.planetfred.com


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