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Proceedings Paper

S-HOS: a self-adaptive hybrid optical switching
Author(s): Sheng Huang; Xiaolong Yang; Keping Long; Qianbin Chen; Yun Li; Yujun Kuang
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Paper Abstract

Hybrid optical switching (HOS) combines the advantages of optical circuit switching (OCS) and optical burst switching (OBS). But HOS can not dynamically change the optical switching paradigm according to the traffic fluctuation. it can not efficiently support burst traffic. And the utilization of some lightpath in HOS networks is low. To solve the problems, a self-adaptive hybrid optical switching (S-HOS) is proposed in the paper. In S-HOS networks, ingress edge nodes monitor the traffic between a pair of an ingress node and an egress node, and based on the monitor results edge nodes self-adaptively adjust optical switching paradigm. Based on minimum burst length maximum assembly period algorithm, a new assembly algorithm of S-HOS is proposed to improve the lightpath utilization and efficiently support burst IP traffic. And a data channel scheduling is proposed to assign data channel resources for the lightpaths and data bursts by regarding lightpath as a huge data burst. And it can decrease the complexity of hybrid optical switching and improve the network performance. Simulation results show that S-HOS outperforms OBS in term of IP packet dropping probability and end-to-end delay.

Paper Details

Date Published: 19 November 2007
PDF: 6 pages
Proc. SPIE 6783, Optical Transmission, Switching, and Subsystems V, 678320 (19 November 2007); doi: 10.1117/12.745698
Show Author Affiliations
Sheng Huang, Chongqing Univ. of Posts and Telecommunications (China)
Chongqing Univ. (China)
Xiaolong Yang, Chongqing Univ. of Posts and Telecommunications (China)
Univ. of Electronic Science and Technology of China (China)
Keping Long, Chongqing Univ. of Posts and Telecommunications (China)
Univ. of Electronic Science and Technology of China (China)
Qianbin Chen, Chongqing Univ. of Posts and Telecommunications (China)
Yun Li, Chongqing Univ. of Posts and Telecommunications (China)
Yujun Kuang, Chongqing Univ. of Posts and Telecommunications (China)
Univ. of Electronic Science and Technology of China (China)


Published in SPIE Proceedings Vol. 6783:
Optical Transmission, Switching, and Subsystems V
Dominique Chiaroni; Wanyi Gu; Ken-ichi Kitayama; Chang-Soo Park, Editor(s)

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