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Proceedings Paper

A novel hybrid optical switching network and its impact on TCP performance
Author(s): Yan Zhang; Sheng Wang; Ping Li
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Paper Abstract

In this paper, we propose a novel hybrid optical switching scheme called HyLABS (Hybrid Lightpath and Burst Switching), which has two implementing schemes including C-HyLABS and I-HyLABS. Both of the two schemes of HyLABS can control the two optical switching techniques OCS and OBS together, and adopt the former for normal traffic and the later for overloading traffic. Thus HyLABS can efficiently adapt network traffic fluctuations and achieve good performance. Then we evaluate the performance of TCP over HyLABS networks and find an issue called False Fast Retransmit (FFR) that can degrade TCP's throughput. Finally, we propose two algorithms including DRDA and EN-DRDA to address the issue of FFR. Simulation results show that both of the two algorithms can actually improve TCP's throughput performance over HyLABS networks.

Paper Details

Date Published: 19 November 2008
PDF: 10 pages
Proc. SPIE 7137, Network Architectures, Management, and Applications VI, 71371X (19 November 2008); doi: 10.1117/12.804207
Show Author Affiliations
Yan Zhang, Univ. of Electronic Science and Technology of China (China)
Sheng Wang, Univ. of Electronic Science and Technology of China (China)
Ping Li, Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 7137:
Network Architectures, Management, and Applications VI
Weisheng Hu; Shoa-Kai Liu; Ken-ichi Sato; Lena Wosinska, Editor(s)

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