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Subject: Re: [xacml] WI#9 Proposal: policies referring to hierarchical resources
From: "Daniel Engovatov" <>
To: <>
Date: Thu, 8 Apr 2004 13:39:10 -0700
>The Request Context is notional. It does NOT mean the PEP has to
>translate the entire filesystem into an XML Hierarchy instance
>and actually put it into the Request Context.
I am not talking about XML, but about making the resource structure part
of the policy, instead of being part of dynamic context.
>I am specifically addressing the problem of how to handle
>tree-structured hierarchical resources. How do you define a
>"hierarchical resource"?
Ordered graph? But that is not the important part.
>Many resources are organized in tree-structured hierarchies.
The issue is whether you need to know the structure while writing policy
and who owns that structure.
I think that if we can define specification that addresses your use case
while being more flexible, that would be a good thing, wouldn't it? :)
Daniel;
