Patent ID: 7577161
Filing Date: 2009-08-18
Classification: H04L

Abstract:
1. A method for establishing a virtual private network (VPN) session for a priority VPN session request in a network supporting a plurality of VPN session request classes including at least one priority VPN session request class, each priority VPN session request class having associated therewith a reserved bandwidth available for use only by the associated priority VPN session request class, the method comprising: identifying a priority VPN session request associated with a priority VPN session request class, wherein the priority VPN session request class has a reserved bandwidth associated therewith that is available for use only by the priority VPN session request class; determining an available bandwidth for said VPN session request classes, wherein the available bandwidth is determined as a total link bandwidth (B allocating reserved bandwidth of said priority VPN session request class to said priority VPN session request if the available bandwidth for said VPN session request classes is insufficient to satisfy said priority VPN session request; and applying admission control to said priority VPN session request.