Patent ID: 8407779
Filing Date: 2013-03-26
Classification: H04L

Abstract:
1. A method comprising: receiving, by a device, a plurality of rules, associated with a policy, that specify how packets are to be processed by a node, determining, by the device, a classification of the plurality of rules; identifying, by the device, the one or more negative rules based on the classification of the plurality of rules; assigning, by the device, a first variable to a first negative term associated with the one or more negative rules; setting, by the device, the first variable equal to a first value that allows a first positive rule to be generated; generating, by the device and based on the first variable being set equal to the first value, a plurality of modified rules based on the one or more negative rules, installing the plurality of modified rules in the node to allow the node to process the packets by using the plurality of modified rules.