Riverbed Technology, Inc.

Elanchezhiyan Elango

Bill Ying Chin

Venkatram Ramanathan

Systems and techniques are described for applying a set of policy rules to network traffic. During operation, conditions specified in the set of policy rules can be evaluated, wherein each condition is a logical expression defined over a set of variables, and is evaluated by substituting values of the set of variables associated with the network traffic into the logical expression. Next, a subset of policy rules can be selected whose conditions evaluated as true. A highest precedence policy rule from the subset of policy rules can then be identified by applying a set of precedence rules to the subset of policy rules, wherein the set of precedence rules imposes a precedence order on the set of policy rules based on condition categories and condition specificities. Finally, an action that is specified in the highest precedence policy rule can be performed.

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Cupertino, CA, United States of America

Elanchezhiyan Elango