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Subject: RE: new OASIS discussion list : XACML
At 06:04 PM 2/27/01 -0500, Hal Lockhart wrote: >I agree with Nigel. The only differences I can see is the granularity of the >resource being protected and the maturity of the problem space. > >I would prefer to see a single scheme to cover all requirements. If two >schemes are required then a single effort which clearly defines when each >should be used is surely preferable to two efforts which overlap. I have a somewhat different take. It could have been appropriate -- not required, just appropriate -- to have the S2ML authn credentials and the authz question (the payloads of their respective request messages) be in a separate XML namespace, especially since the plan was to allow foreign namespaces to go there as well for extensibility reasons. If it's technically possible to separate the problem into two vocabularies (schemas) that don't have interdependencies, then I think it's useful to consider developing them somewhat separately and in parallel for efficiency's sake. Eve -- Eve Maler +1 781 442 3190 Sun Microsystems XML Technology Center eve.maler @ east.sun.com
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