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In this paper, we describe a framework for a refinement scheme located in a centralized policy server that consists of three components: a knowledge database, a refinement rule set, and a policy repository. The refinement process includes two successive steps: policy transformation and policy composition. Our refinement scheme takes policies written in our logic-based abstract policy language as input...
Doing route selection based in part on source addresses is a form of policy routing, which has started to receive increased amounts of attention. In this paper, we extend our previous work on ROLF (ROuting as the Firewall Layer) to achieve source prefix filtering. This permits easy definition of “inside” and “outside”, even in MANET environment where there...
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