Anne,
As you know there is already a specification called WS-Policy out in public
domain, so when you reference WS-Policy, I assume its the WS-Policy
specification, if not you need to clarify and select a different name (such
as Web services policy) so as not to confuse people reading these posts.
So with that said your note still confuses things as you say "The more I
have studied WS-Policy requirements, the more I think XACML is the best
candidate for meeting them". Please tell us what you studied, and it seems
that this is based upon 1 presentation ? You then state that "I know, there
is no published Requirements Specification for WS-Policy, and that agreeing
on the requirements is one of the first tasks ahead of the group working on
WS-Policy", so which is it ?
Also the authors of WS-Policy (and family specifications) did present the
requirements during the policy requirements meeting in Redmond, but I did
not see that referenced in you write-up.
Anthony Nadalin | work 512.436.9568 | cell 512.289.4122
|---------+---------------------------->
| | Anne Anderson - |
| | Sun Microsystems |
| | <Anne.Anderson@Su|
| | n.COM> |
| | |
| | 02/26/2003 05:46 |
| | AM |
| | Please respond to|
| | Anne.Anderson |
|---------+---------------------------->
>--------------------------------------------------------------------------------------------------------------------------------------------------|
| |
| To: Anthony Nadalin/Austin/IBM@IBMUS |
| cc: "'XACML'" <> |
| Subject: Re: [xacml] WS-Policy and XACML comparison |
>--------------------------------------------------------------------------------------------------------------------------------------------------|
"Anthony Nadalin" <> wrote:
>Somehow you have mistaken item [6] as WS--Policy requirements, whereas
>these are Tim's views and NOT requirements that drove WS-Policy, so I can
>see how you came to your conclusion !
Tony, I merely referenced Tim's document as one statement of requirements.
As far as I know, there is no published Requirements Specification for
WS-Policy, and that agreeing on the requirements is one of the first tasks
ahead of the group working on WS-Policy.
By the way, two of IBM's contributions to XACML may be very valuable in
addressing WS-Policy requirements:
a) Obligations: there may be an obligation on the service requester
associated with application of a particular policy, although this
obligation is transparent to the service provider.
b) Hierarchical resources
Anne
------
Anne Anderson
Sun Microsystems Laboratories
Burlington, MA 781-442-0928
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