Fair bandwidth sharing under flow arrivals/departures: effect of retransmissions on stability and performance

Authors:
Vladimir Marbukh
Affiliations:
National Institute of Standards and Technology, Gaithersburg, MD
Venue:
ACM SIGMETRICS Performance Evaluation Review
Year:
2007

Citing 3
Cited 0

Fair end-to-end window-based congestion control

IEEE/ACM Transactions on Networking (TON)
Stability and performance analysis of networks supporting elastic services

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Statistical bandwidth sharing: a study of congestion at flow level

Proceedings of the 2001 conference on Applications, technologies, architectures, and protocols for computer communications

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Abstract

A flow-level Markov model for fair bandwidth sharing with packet retransmissions and random flow arrivals/departures is proposed. The model accounts for retransmissions by assuming that file transfer rates are determined by the end-to-end goodputs rather than the corresponding throughputs as in the conventional model. The model predicts the network instability even under light exogenous load. Despite instability, a desirable metastable network state with finite number of flows in progress may exist. The network can be stabilized in a close neighborhood of the metastable state with admission control at the cost of small flow rejection probability.