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From "Mark A. Carlson" <Mark.Carl...@Sun.COM>
Subject Re: policy analysis support
Date Tue, 02 Sep 2008 14:52:34 GMT
Xiping,

I think this would be a great addition.

Xiping Wang wrote:
> All,
>
> We, at IBM T.J.Watson Research Center, have been developing a policy
> analysis module on top of Imperius that allows a policy writer perform the
> following tasks automatically.
> 1) Dominance check: finding if a policy is dominated by other policies,
> thus removing redundancy among policies.
> 2) Simultaneous applicability check: finding if two policies are
> simultaneously applicable, thus preventing potential conflicts at
> specification time.
>   
Can you define what you mean by applicability?
> 3) Coverage check: finding if a set of policies covers all the sensor
> spaces required, thus ensuring policies specified adequately.
> 4) Meta policy based conflict detection/resolution: detecting/resolving
> conflicts at runtime.
>   
As in the same conditions elicit conflicting actions?
> 4) Rule-based policy transformation: allowing transformation of abstract
> policy into concrete policies or vice versa.
>   
Abstract in the OO sense?
> The package implements advanced algorithms for policy analysis and requires
> certain changes to be made to the current Imperius implementation for
> integration.
>   
Any IP regarding this new work?

-- mark

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