Charging and Accounting Architecture for Ip Multicast Is over Atm Charging and Accounting Architecture for Ip Multicast Integrated Services over Atm

We introduce a charging and accounting (CA) architecture for IP multicast services with QoS guarantees over ATM for QoS-sensitive fair charging. The architecture is based on an extension of the Multicast Integration Server (MIS, [SaCS97]) that efficiently provides IP multicast over ATM, supporting Internet Integrated Services (IS) with receiver heterogeneity and shortcut management. We define requirements for a Charging and Accounting Protocol (CAP) for transporting CA objects, involving CAP clients and a CAP server. We demonstrate that RSVP extensions can be used for transporting CA objects, and propose interworking mechanisms between CAP server, MIS and a Billing Server.