Patent ID: 8274983
Filing Date: 2012-09-25
Classification: H04L

Abstract:
1. A cleverness/fairness method for controlling a policy enforcement point (PEP) attached to an edge of a switched network, comprising: applying at the PEP autonomous short-term, application-aware controls to autonomously control admission of corresponding network ingress traffic at the PEP, and applying long-term traffic controls on said corresponding network ingress traffic; wherein applying at the PEP autonomous short-term, application aware controls and applying long-term traffic controls comprises: using numbers received from the S/CAC for network admission needs, wherein said numbers are updated when a network event results in a loss of resilient bandwidth that affects a traffic class under admission control, and when a surge in traffic exceeds a reserved resource in the PEP to a particular destination; recalculating resources available across said switched network that will minimize adverse impacts on existing sessions and calls by dividing a reservation reduction between multiple paths affected by said loss of resilient bandwidth, wherein the reservation reduction is calculated by subtracting the free bandwidth on the multiple paths determined based on a query of actual utilization of the multiple paths from the loss of resilient bandwidth; and informing each PEP of any new resources made available.