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RE: First cut policy write up

From: Gilbert Pilz <Gilbert.Pilz@bea.com>
Date: Thu, 30 Nov 2006 15:08:34 -0800
Message-ID: <E16EB59B8AEDF445B644617E3C1B3C9C02C37CB8@repbex01.amer.bea.com>
To: <Marc.Hadley@Sun.COM>
Cc: <public-ws-addressing@w3.org>
Good point. Though the need for domain-specific intersection logic sort of
defeats the purpose of using WS-Policy, don't you think?

- gp 

> -----Original Message-----
> From: Marc.Hadley@Sun.COM [mailto:Marc.Hadley@Sun.COM] 
> Sent: Thursday, November 30, 2006 11:06 AM
> To: Gilbert Pilz
> Cc: public-ws-addressing@w3.org
> Subject: Re: First cut policy write up
> 
> On Nov 29, 2006, at 6:15 PM, Gilbert Pilz wrote:
> >
> > <wsp:Policy>
> >   <wsaw:AnonymousResponses>
> > </wsp:Policy>
> >
> > This policy indicates that the subject supports the use of WS- 
> > Addressing and, in particular, will accept request messages with 
> > response endpoint EPRs that contain the anonymous URI. If a 
> fault is 
> > generated as a result of sending a request message to an 
> endpoint with 
> > this effective policy, that fault will not be due to the 
> fact that the 
> > request message includes WS-Addressing headers nor will it 
> be due to 
> > the fact that the response endpoint EPRs contain the 
> anonymous URI as 
> > an address. Note that nothing is said about either 
> supporting or not 
> > supporting the use of non-anonymous URIs.
> >
> > <wsp:Policy>
> >   <wsaw:UsingAddressing>
> >   <wsaw:AnonymousResponses>
> > </wsp:Policy>
> >
> > The above policy is semantically equivalent to the previous 
> example. 
> > Note that this example could be the result of combining two 
> separate 
> > policies (e.g. one attached at a wsdl:binding and the other at a 
> > wsdl20:endpoint (or
> > wsdl11:port)) into a single effective policy.
> >
> Given this equivalence I think there's still a need for 
> domain- specific policy intersection. The processor needs to 
> know that <wsaw:UsingAddressing> is implicit in 
> <wsaw:AnonymousResponses>. Right ?
> 
> > <wsp:Policy>
> >   <wsaw:NonAnonymousResponses>
> > </wsp:Policy>
> >
> > <wsp:Policy>
> >   <wsaw:UsingAddressing>
> >   <wsaw:NonAnonymousResponses>
> > </wsp:Policy>
> >
> > The above two policies are identical ways of expressing the 
> fact that 
> > the subject supports the use of WS-Addressing and, in 
> particular, will 
> > accept request messages with response endpoint EPRs that 
> contain URIs 
> > other than the anonymous URI.
> 
> Same comment as above.
> 
> Marc.
> 
> ---
> Marc Hadley <marc.hadley at sun.com>
> CTO Office, Sun Microsystems.
> 
> 
> 


Received on Thursday, 30 November 2006 23:08:52 GMT

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