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Modelling the Tradeoffs in Overlay-ISP Cooperation

Landa, R; Mykoniati, E; Clegg, R; Griffin, D; Rio, M; (2012) Modelling the Tradeoffs in Overlay-ISP Cooperation. In: Bestak, R and Kencl, L and Li, LE and Widmer, J and Yin, H, (eds.) Networking 2012: 11th International IFIP TC 6 Networking Conference, Prague, Czech Republic, May 21-25, 2012, Proceedings, Part II. (pp. 223 - 237). Springer: Berlin/Heidelberg, Germany. Green open access

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Abstract

The increasing demand for efficient content distribution using the Internet has fuelled the deployment of varied techniques such as peer-to-peer overlays, content distribution networks and distributed caching systems. These have had considerable impact on ISP infrastructure demand, motivating the development of protocols that enable mutually beneficial cooperative outcomes. In this paper we propose a parameterised cooperation utility that can be used to study the tradeoff between the benefit that an overlay obtains from the ISPs that carry its traffic and the costs that it imposes on them. With this utility, we find a closed-form expression for the optimal resource allocation given a particular cooperation tradeoff, subject to both minimal benefit and maximal cost constraints. Since the model is implementation-independent and has very modest computational demands, it is ideal for large scale simulation. We explore the properties of the proposed model through simulation in both a simple illustrative scenario and a more complete one based on network datasets. The results obtained from the model are shown to be consistent with those of measurement-based studies of overlay-ISP collaboration.

Type: Proceedings paper
Title: Modelling the Tradeoffs in Overlay-ISP Cooperation
ISBN-13: 9783642300530
Open access status: An open access version is available from UCL Discovery
DOI: 10.1007/978-3-642-30054-7_18
Publisher version: http://dx.doi.org/10.1007/978-3-642-30054-7_18
Language: English
Additional information: The original publication is available at www.springerlink.com
UCL classification: UCL
UCL > Provost and Vice Provost Offices
UCL > Provost and Vice Provost Offices > UCL BEAMS
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science
UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Electronic and Electrical Eng
URI: https://discovery.ucl.ac.uk/id/eprint/1349493
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