Unfairness in TCP performance over lossy optical burst-switched (OBS) networks

Authors:
Julie Sullivan;Paul Ramos;Vinod M. Vokkarane
Affiliations:
Department of Computer and Information Science, University of Massachusetts, Dartmouth, MA;Department of Computer and Information Science, University of Massachusetts, Dartmouth, MA;Department of Computer and Information Science, University of Massachusetts, Dartmouth, MA
Venue:
ANTS'09 Proceedings of the 3rd international conference on Advanced networks and telecommunication systems
Year:
2009

Citing 3
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Simulation-based comparisons of Tahoe, Reno and SACK TCP

ACM SIGCOMM Computer Communication Review
Optical burst switching (OBS) - a new paradigm for an optical Internet

Journal of High Speed Networks - Special issue on optical networking
Analytic models for the latency and steady-state throughput of TCP tahoe, Reno, and SACK

IEEE/ACM Transactions on Networking (TON)

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Abstract

One of TCP's primary objectives is to provide fairness to all flows competing for resources in a network. Since the popular flavors of TCP were designed to work with electronic packet-switched networks, they behave differently when used over optical burst-switched networks (OBS). In OBS, burst loss occurs due to random contention of data bursts. Since TCP is unaware of the underlying physical media, the responsibility of fairness must be provided by the burst assembler. We investigate several flowaware and flow-unaware mechanisms that improve TCP fairness over OBS.