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RE: XP Service URIs

From: Henrik Frystyk Nielsen <frystyk@microsoft.com>
Date: Wed, 22 Nov 2000 07:56:45 -0800
Message-ID: <009a01c0549c$d87c25a0$6701a8c0@redmond.corp.microsoft.com>
To: "Henry Lowe" <hlowe@omg.org>, "Mark Nottingham" <mnot@akamai.com>
Cc: <rden@loc.gov>, "XML Distributed Applications List" <xml-dist-app@w3.org>
> Might I suggest that for interoperability with ebXML and 
> operation with 
> object oriented systems (e.g., DCOM), both the requestor and 
> destination 
> be specified by URIs and they be carried in the header (in case inter-
> mediaries are involved, they will know where to find the 
> target destination).

Having destination information be sent as a header makes a lot of sense.

> I don't believe a namespace (if I understand what Henrik is 
> saying) is 
> suffiecient to invoke a DCOM object (but I admit it's been 
> years since 
> I read how DCOM invocations work, so I could well be wrong).  

Yes, the XML NS identifiers for the <xp headers> do not say what the <xp
headers> should be applied to.
> In any event, there should be sufficient information for an object 
> invocation regardless of the transport protocol XP is mapped to.  In 
> ebXML, we looked at this question and a URI does nicely.

I agree that a URI indeed does this very nicely!

Received on Wednesday, 22 November 2000 10:57:31 UTC

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