Policy based systems are the subject of a wide range of activities in universities, standardization bodies and within industry 1. They have a wide spectrum of applications ranging from quality of service management within networks to security and enterprise modeling. Within the Internet community there is considerable interest in Policy Based Networking. A number of companies have announced tools to support the specification and deployment of policies. Much of this work is focused on policies for quality of service QoS management within networks and the Internet Engineering and Distributed Management Task Forces (IETF/DMTF) are actively working on standards related to this area.
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