Rules Engine Evaluation For Policy Decisions

Abstract: Various exemplary embodiments relate to a method performed by a network policy node. The method may include : translating a policy into a plurality of rule objects the policy including an applicability condition and one or more action rules; generating a selection rule table based on the applicability condition of one or more policies; generating an action rule table from the one or more action rules of an applicable policy an action rule including an action condition and an action path; determining a set of applicable policies by evaluating the selection rule table using a rules engine; and selecting an action path by evaluating the action rule table using the rules engine. Various exemplary embodiments relate to a network policy node including a scanner that generates rules objects and rule tables based on one or more policies a context information storage and a rules engine that evaluates rule tables.

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