QoS Signalling and Charging in a Multi-service Internet using RSVP
Key: Kar00-3
Author: Martin Karsten
Date: July 2000
Kind: @phdthesis
Abstract: Because of the high level of uncertainty about the future traffic mix and the heterogeneous nature of Quality of Service (QoS) technologies and service contracts, it is very likely that a future commercial multi-service Internet requires a general service signalling architecture to reliably deliver end-to-end QoS. In this thesis, the suitability of the Resource Reservation Protocol (RSVP) for this purpose is investigated and assessed. The thesis presents the following contributions: A flexible QoS signalling architecture is described, based on an extended version of RSVP. A new protocol engine has been designed and implemented, containing a number of design and algorithmic improvements over previous work. This implementation has been used to experimentally verify the technical suitability of RSVP. Additionally, new protocol elements have been developed to allow for flexible charging mechanisms of service invocations. Based on several calculation models for service invocations, these protocol elements are assessed to cover a variety of potential usage cases, namely cost-based pricing, auction-based pricing and advance service invocations. As a result, it is concluded that an extended version of RSVP is indeed a good candidate to form the basic building block for an overall commercial QoS signalling architecture.
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