- From: Ugo Corda <UCorda@SeeBeyond.com>
- Date: Sun, 16 Feb 2003 14:15:11 -0800
- To: "Assaf Arkin" <arkin@intalio.com>
- Cc: <www-ws-arch@w3.org>
Arkin, It will also be interesting to see how the WS-Policy authors will position the spec with respect to the results of the W3C Properties and Features Task Force (or vice versa, given the fact that WS-Policy came out first). It certainly seems that there will be some overlap. Ugo > -----Original Message----- > From: Assaf Arkin [mailto:arkin@intalio.com] > Sent: Sunday, February 16, 2003 1:13 PM > To: Ugo Corda > Cc: www-ws-arch@w3.org > Subject: RE: Layers in the WSA (was RE: [Fwd: UN/CEFACT TMG Releases > e-Business Architecture Technical Specification for Public Review]) > > > Ugo, > > I stand correct. > > I read all the related specifications as one block. My > initial impression, > perhaps because WS-Policy refers specifically to security and > privacy, is > that it was designed primarily to address security. And I assume other > readers would fall in the same trap. > > On the other hand, I also recieved the impression that WS-Policy is > "proposing a model which other specifications should follow > when addressing > other problem spaces (e.g. transactions, choreography)". > > I guess that a second reading of the spec in isolation would > reveal even > more hidden treasures ;-) > > arkin > > > > -----Original Message----- > > From: Ugo Corda [mailto:UCorda@SeeBeyond.com] > > Sent: Sunday, February 16, 2003 10:41 AM > > To: Assaf Arkin > > Cc: www-ws-arch@w3.org > > Subject: RE: Layers in the WSA (was RE: [Fwd: UN/CEFACT TMG Releases > > e-Business Architecture Technical Specification for Public Review]) > > > > > > > WS-Policy only addresses security. > > > > I don't think this is correct. The spec Introduction says: > > > > "WS-Policy defines a policy statement to be a collection of one > > or more policy assertions. Some assertions specify traditional > > requirements and capabilities that will ultimately manifest on > > the wire (e.g., authentication scheme, transport protocol > > selection). Some assertions specify requirements and capabilities > > that have no wire manifestation yet are critical to proper > > service selection and usage (e.g., privacy policy, QoS > characteristics)." > > > > Also, IBM says at [1]: > > > > "Although Policy Framework does add another mechanism to the > > security of Web services, the applicability of the policy > > framework is not reserved to the security domain alone. " > > > > And Microsoft says at [2]: > > > > "The Web Services Policy Framework (WS-Policy) provides a > > general-purpose model and corresponding syntax to describe and > > communicate the policies of a Web service." > > > > Ugo > > > > > > [1] > http://www-106.ibm.com/developerworks/webservices/library/ws-polfram/ > > [2] > > http://msdn.microsoft.com/webservices/understanding/gxa/default.as > > px?pull=/library/en-us/dnglobspec/html/wspolicyspecindex.asp > >
Received on Sunday, 16 February 2003 17:15:49 UTC