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Interaction between an Online Charging System and a Policy Server

Authors:
Marc Cheboldaeff

Keywords: Rating; Policy; IMS; OCS; PCRF; PCC; QoS

Abstract:
According to the 3GPP standard architecture up to Release 9, a Charging System is not supposed to interact directly with a Policy Server. The Charging System is responsible for rating and charging, while the Policy Server is responsible for determining the right policy depending on the kind of traffic. In reality, it appears that the decision about the right policy might be influenced by some real-time subscriber information, which might also be relevant for charging, and therefore stored in the Charging System. In this context, a direct interface between the Charging System and the Policy Server might be required. The goal of this paper is to study what such an interface would look like, based on an actual implementation. The main achievement is to validate a scenario where the policy should change in real-time during a data session because a volume threshold has been crossed.

Pages: 47 to 51

Copyright: Copyright (c) IARIA, 2011

Publication date: January 23, 2011

Published in: conference

ISSN: 2308-4413

ISBN: 978-1-61208-113-7

Location: St. Maarten, The Netherlands Antilles

Dates: from January 23, 2011 to January 28, 2011