Patent ID: 9397891
Filing Date: 2016-07-19
CPC Classification: H04L,H04M,H04W

Claim Text:
1. A method comprising: receiving, at a policy-charging-and-rule-function (PCRF), a request to establish a session for a piece of user equipment, wherein the PCRF includes a routing agent that receives the request and that maintains a table that is indexed by IP Address; causing the PCRF to select one of a plurality of multi-media processing engines (MPEs) included in the PCRF to handle the session based on a user-equipment-identifier of the piece of user equipment; causing the routing agent to store, in the table, in association with an IP address of the piece of user equipment, an entry designating the one of the plurality of MPEs selected for the session; receiving at the routing agent an Authorization Access Request (“AAR”) including an IP address; searching the table on the basis of the IP address included in the AAR; and if a given IP Address in the table matches the IP address included in the AAR, and if a given entry associated with the given IP Address designates one of the plurality of MPEs, forwarding the AAR to the one of the plurality of MPEs that is designated by the given entry.