CSP, cooperative service provisioning using peer-to-peer principles

Authors:
Michael Kleis;Kai Büttner;Sanaa Elmoumouhi;Georg Carle;Mikael Salaun
Affiliations:
Fraunhofer FOKUS, Berlin, Germany;Fraunhofer FOKUS, Berlin, Germany;France Télécom R&D, Lannion, France;University of Tübingen, Tübingen, Germany;France Télécom R&D, Lannion, France
Venue:
IWSOS'07 Proceedings of the Second international conference on Self-Organizing Systems
Year:
2007

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Abstract

In this paper we describe a self-organising and self-managing system for a Cooperative Service Provisioning (CSP) of media transport and processing services. The term cooperative is used since we assume that CSP providers as well as users offer resources to be utilised for media delivery and processing based on an Overlay Network principle. The core building block of the proposed system is a Distributed Hash Table extended with a CSP specific indexing principle and recursive search algorithm. The task of QoS constraint verification for a requested service is distributed between participating nodes. In this paper we describe CSP based on a Content Addressable Network (CAN) [1] DHT. The resulting system is evaluated based on a theoretical analysis as well as simulations.