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Online charging for IMS-based inter-domain composite services

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Author: Le, M.V. · Rumph, F.J. · Huitema, G.B. · Beijnum, B.J.V. · Nieuwenhuis, L.J.M.
Type:bookPart
Date:2009
Publisher: Springer-Verlag
Place: Berlin : [etc]
Institution: TNO Informatie- en Communicatietechnologie
Source:Reichl, P.Stiller, B.et al, Network Economics for Next Generation Networks : 6th International Workshop on Internet Charging and QoS Technologies, ICQT 2009, 11-15 May 2009, Aachen, Germany, 72-84
series:
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics)
Identifier: 241643
doi: doi:10.1007/978-3-642-01796-4_8
Keywords: Informatics · Composite services · Inter-domain · IP multimedia subsystem (IMS) · Online charging · 3rd generation partnership project (3GPP) · Access service · Charging systems · Communication service · Financial risks · Inter-domain · IP multimedia subsystem (IMS) · Service components · Service levels · Support services · Internet · Telecommunication equipment · Multimedia services

Abstract

In order to manage financial risks online charging of composite services is becoming increasingly important for service providers to support service delivery in inter-domain environments. The 3rd Generation Partnership Project (3GPP) has developed a framework for off-line and online charging of IMS-based services. At service level, delivery of composite services often involves many service providers, where each service provider is responsible for the delivery of one or more service components (e.g. access service, IMS communication service, content service, etc.). Current Online Charging System (OCS) specified by 3GPPP does not support an online charging function for composite services. This paper discusses a number of implications of online charging of composite services, in particular inter-domain composite services. It addresses important shortcomings of the current 3GPP online charging architecture and suggests a way to overcome these shortcomings. The contribution of this paper is twofold. Firstly, it proposes an information model to support charging of inter-domain composite services. The proposed information model is based on the NGOSS and SID concepts of the TeleManagement Forum. Secondly, it proposes additional functionalities required for existing OCS in IMS to handle online charging of inter-domain composite services. © Springer-Verlag Berlin Heidelberg 2009.