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ACCOUNTING IN QoS-ENABLED IP NETWORKS

This paper presents an overview of the advanced transport-based accounting management in IP networks with differentiated services (DiffServ). We first provide a survey and taxonomy of accounting management functions, including metering, pricing, charging, billing, payment and information provisioning. An overview of pricing models for DiffServ networks has been presented. We also consider IETF accounting management framework and accounting protocols. Finally, several advanced proposals for accounting management architectures in DiffServ IP networks have been addressed.