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Subject: Re: [xacml] summary of Frank's delegation proposal




From: Frank Siebenlist <franks@mcs.anl.gov>
To: Daniel Engovatov <dengovatov@bea.com>
Date: Wed, 19 May 2004 09:20:17 -0700






In my previous email i distinguished two different policy statements: an access 
control policy and an delegation/administration policy.

I grouped the delegation and administration together for simplicity.

You could distinguish two administrative policy statement:

* one that allows certain admins to manage the policy for certain targets,

* and another that allows certain admins to delegate the rights to manage the 
policy for a certain target.

In previous emails, I suggested that implementations could choose either to 
always allow admins to delegate the management rights they have, or to use a 
boolean flag in the admin policy statement that would indicate whether further 
delegation was allowed, or to use an integer to specify the maximum delegation 
depth, i.e. maximum length of the delegation chain.

Unlike with access control policies, it seems overkill to allow admins to speak 
on the management rights of other admins without having the right themselves to 
manage those same targets.

Would it be enough to add this clarification or did you have other concerns?

Regards, Frank.

(as admin and delegation policy statement are about policies about policies, 
maybe we should call them meta-policies ;-)




Daniel Engovatov wrote:

> Did we actually decide on whether "delegation" is the appropriate term
> to describe this proposal?
> 
> I would think this is something else, probably useful, but I would
> hesitate to call it "delegation"
> 
> Daniel.
> 
> 
> 
>