An Embedded Charging Approach for RSVP
Key: KSWS98-1
Author: Martin Karsten, Jens Schmitt, Lars Wolf, Ralf Steinmetz
Date: May 1998
Kind: In proceedings
Publisher: IEEE
Book title: Proceedings of the 6th IEEE/IFIP International Workshop on Quality of Service (IWQoS'98), Napa, USA
Abstract: Charging mechanisms are needed to protect an integrated services network from arbitrary resource reservations and to create a funding mechanism to extend network capacity at the most desired locations at the expense of those users that actually use these resources. In this paper, we describe a charging model that can be em bedded in the RSVP architecture. Our model is open and flexible in that it imposes little or no restrictions to the pricing policy of network providers or the usage behaviour of end-users. At the same time, it provides mechanisms to enable fine-grained charging of network communication. After a user-centric identification of requirements for charging mechanisms, a formal framework is presented to model the prices and payments. We present protocol elements and implementation rationale to realize our charging model. Furthermore, we identify potential problems that are inherent to RSVP with regards to precise charging and point out future research issues towards a realistic charging architecture.

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