Experimental evaluation of TCP performance over 10Gb/s passive optical networks (XG-PON)

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Date
2014-12
Authors
Arokkiam, Jerome A.
Wu, Xiuchao
Brown, Kenneth N.
Sreenan, Cormac J.
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Institute of Electrical and Electronics Engineers (IEEE)
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Abstract
XG-PON is the next-generation standard for passive optical networks operating at 10Gb/s and TCP is the dominant transport protocol of the Internet. In this paper, we present the first performance evaluation of TCP over XG-PON, considering efficiency, fairness, responsiveness, and convergence. The impact of XG-PON's large delay-bandwidth product and asymmetric bandwidth provision are assessed, together with the dynamic bandwidth allocation mechanism. Our state-of-the-art NS3 simulation uses real implementations of three TCP variants (Reno, CUBIC and H-TCP) from the Network Simulation Cradle. Our results highlight several issues that arise for TCP over XG-PON, and emphasise the need for improved awareness of medium access control and scheduling in the context of specific TCP congestion control behaviour.
Globecom 2014 - Best Paper Award (Access Networks & Systems Track)
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Keywords
Internet , Bandwidth allocation , Passive optical networks , Transport protocols , CUBIC , H-TCP , Reno , TCP performance , XG-PON , Asymmetric bandwidth , Bandwidth allocation mechanism , Dominant transport protocol , Large delay-bandwidth product , Medium access control , Network simulation cradle , Bandwidth , Channel allocation , Convergence , Optical network units , Standards , Throughput
Citation
Arokkiam, J. A., Wu, X., Brown, K. N. and Sreenan, C. J. 'Experimental evaluation of TCP performance over 10Gb/s passive optical networks (XG-PON)', 2014 IEEE Global Communications Conference, Austin, TX, USA, 8-12 December, pp. 2223-2228. doi: 10.1109/GLOCOM.2014.7037138
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