A novel hybrid optical switching network and its impact on TCP performance

Yan Zhang; Sheng Wang; Ping Li

doi:10.1117/12.804207

19 November 2008 A novel hybrid optical switching network and its impact on TCP performance

Yan Zhang, Sheng Wang, Ping Li

Proceedings Volume 7137, Network Architectures, Management, and Applications VI; 71371X (2008) https://doi.org/10.1117/12.804207
Event: Asia-Pacific Optical Communications, 2008, Hangzhou, China

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.

Citation Download Citation

Yan Zhang, Sheng Wang, and Ping Li "A novel hybrid optical switching network and its impact on TCP performance", Proc. SPIE 7137, Network Architectures, Management, and Applications VI, 71371X (19 November 2008); https://doi.org/10.1117/12.804207

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