Patent ID: 9306955
Filing Date: 2016-04-05
CPC Classification: G06F,H04L

Claim Text:
1. A method comprising: establishing a policy at a network device, the policy comprising a multiphase condition having a multiphase attribute of a multiphase transaction, wherein the multiphase attribute comprises an attribute that becomes known at one or more of a plurality of phases of the multiphase transaction, and the multiphase condition comprises a condition that is met at one or more of the plurality of phases; establishing phase specific policies for each phase of the plurality of phases in which the multiphase attribute becomes known, wherein the phase specific policies include phase specific conditions which correspond to phases of the plurality of phases in which the multiphase attribute becomes known, wherein establishing the phase specific policies comprises ordering the phase specific conditions according to an order of the plurality of phases in which the multiphase attribute becomes known; evaluating the multiphase transaction at the network device according to the phase specific policies until a policy decision of the policy is determined, the policy decision including a decision to either allow or deny traffic, and applying the policy to the traffic.