Patent ID: 8356107
Filing Date: 2013-01-15
Classification: H04L,H04M,H04W

Abstract:
1. A method implemented by a computer comprising a Policy Control and Charging Rules Function (PCRF) communicating with a Policy and Charging Enforcement Function (PCEF), comprising: receiving, by the computer, a first Credit Control Request (CCR) message for Policy and Charging Control (PCC) rules from the PCEF; in response to the first CCR message, determining, by the computer, that an old PCC rule needs to be updated, generating a new PCC rule, and sending a Credit Control Answer (CCA) messace carrying the new PCC rule to the PCEF to update a PCC rule stored on the PCEF; receiving, by the computer, from the PCEF a second CCR message having an indication indicating whether the PCC rule stored on the PCEF is updated successfully with the new PCC rule carried in the CCA message; if the PCC rule stored in the PCEF is updated successfully with the new PCC rule, updating, according to the second CCR message, the old PCC rule stored in the PCRF with the new PCC rule by deleting the old PCC rule and activating the new PCC rule; if the PCC rule stored on the PCEF is updated unsuccessfully with the new PCC rule: