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Establishment and enforcement of policies in packet-switched networks

  • US 20050047412A1
  • Filed: 08/25/2003
  • Published: 03/03/2005
  • Est. Priority Date: 08/25/2003
  • Status: Abandoned Application
First Claim
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1. A system for synchronizing a plurality of network policies amongst a plurality of network nodes, the plurality of network policies operative of the plurality of nodes to regulate data traffic through the plurality of nodes, the system comprising:

  • an ordered plurality of classifications of the plurality of network policies, the ordered plurality of classifications including a first one or more classifications identifying policies enabling collusion between the plurality of network nodes to support a common database of network policies, a second one or more classifications identifying policies for compressing or expanding information passed amongst the plurality of nodes, a third one or more classifications including policies for route distribution and selection in the plurality of nodes;

    a plurality of local policy databases, each of the plurality of local policy databases residing on a respective node in the plurality of nodes, each of the local policy databases further including a plurality of policy instances operative on the respective node; and

    a plurality of synchronization processes resident on the plurality of nodes, the plurality of synchronization processes operative to minimize a convergence time between the plurality of local databases and the common database of network policies, wherein the plurality of synchronization processes are further operative to map network policies received at the respective node to the ordered plurality of classifications.

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