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Global Flow Control for Wide Area Overlay Networks: A Cost-Benefit Approach

By Yair Amir, Baruch Awerbuch, Claudiu Danilov and Jonathan Stanton

Abstract

This paper presents a flow control protocol for multi-sender multi-group multicast and unicast in wide area overlay networks. The protocol is analytically grounded and achieves real world goals, such as simplicity, fairness and minimal resource usage. Flows are regulated based on the "opportunity" costs of network resources used and the benefit provided by the flow. In contrast to existing windowbased flow control schemes, we avoid end-to-end per sender or per group feedback by looking only at the state of the virtual links between participating nodes. This produces control traffic proportional only to the number of overlay network links and independent of the number of groups, senders or receivers. We show the effectiveness of the resulting protocol through simulations and validate the simulations with live Internet experiments

Year: 2002
OAI identifier: oai:CiteSeerX.psu:10.1.1.18.3937
Provided by: CiteSeerX
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