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   RE: [xml-dev] Competing Specifications - A Good or Bad Thing?

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i'd put issues in composing WS-* specs down to:

1) they've not been designed to be plug-replaceable
but fit into slightly disconnected visions. e.g. 
WS-Policy doesn't map directly to WSDL 2.0 Features 
and Properties, you can't just swap Notification with 
Eventing. OK there may possibly be mappings but there 
are lots of edge conditions.

2) IPR problems: an open standard is unlikely
to reference and build on a defacto one. So we end 
up with having to rely upon generalised extensibility
models. yeah, of course you can just stick tags from 
different namespaces into an XML document. XML is great!


-----Original Message-----
From: Rich Salz [mailto:rsalz@datapower.com]
Sent: 07 April 2004 19:00
To: Paul Sumner Downey
Cc: xml-dev@lists.xml.org
Subject: Re: [xml-dev] Competing Specifications - A Good or Bad Thing?

> I don't think all of these WS-* specs *are* composable.

Why do you say that?  We have customers using WS-Security, and some of 
the tokens they define, without using other things.  We've done demo's 
using WS-Routing/addressing, etc.  Have you found issues, or is this 
just gut feeling based on your experiences?


Rich Salz, Chief Security Architect
DataPower Technology                           http://www.datapower.com
XS40 XML Security Gateway   http://www.datapower.com/products/xs40.html
XML Security Overview  http://www.datapower.com/xmldev/xmlsecurity.html

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