Patent ID: 8175576
Filing Date: 2012-05-08
Classification: H04L,H04M,H04W

Abstract:
1. A method of registering a mobile node of a telecommunications network to a subsystem of the network, the network having a plurality of policy and charging rules function (PCRF) nodes for maintaining or having access to policy and charging rules for users of the network, a node for enforcement of the policy and charging rules to traffic flows, and a session management node, the method comprising the steps of: receiving a registration request message from the mobile node at a proxy node of the network; selecting from the plurality of PCRF nodes, a candidate PCRF node for the mobile node; determining whether the candidate PCRF node has already been selected by the policy and charging rules enforcement node to serve the mobile node; and upon determining that the candidate PCRF node has already been selected by the policy and charging rules enforcement node to serve the mobile node, forwarding the registration request from the proxy node to the session management node to complete the registration of the mobile node to the subsystem of the network.