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From Tim Heath <>
Subject Re: xml-rpc webservices?
Date Mon, 10 Jun 2002 21:40:36 GMT
Thankyou for your answer.  I do not understand what you mean by a set of
objects linked in an arbitrary graph, can you explain this more?


Tim Heath

John Wilson wrote:
> ----- Original Message -----
> From: "Tim Heath" <>
> To: <>
> Sent: Monday, June 10, 2002 9:48 PM
> Subject: Re: xml-rpc webservices?
> > Does it implement a global registry for searching for kinds of services,
> > the way uddi works?  Does it allow you to publish your service to a
> > central directory the way uddi does?  I appreciate your answer and my
> > knowledge on soap/xml is increasing.  Just out of curiousity what would
> > be an example of where rpc/xml would not be able to do something
> > requiring soap/xml?
> There is no standard way of implementing a directory of XML-RPC services.
> There have been ad hoc attempts to provide such a service but I don't think
> they are widely used. In XML-RPC you know your endpoints and you know what
> the endpoint expects. You don't have discovery or dynamic binding.
> You might be interested in  and
> as two views of how to implement
> Web services.
> If you wanted to use an asynchronous messaging service as a transport
> mechanism (e.g. IBM's MQ series) then SOAP has the support for this built
> in. XML-RPC does not (though is an
> example of an extension which kind of does this).
> If you wanted to pass a set of objects linked in an arbitrary graph then
> SOAP will (sort of) let you do it. XML-RPC will not.
> John Wilson
> The Wilson Partnership

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