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Proceedings Paper

Study of fair burst dropping approach in optical burst switching multi-hop network
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Paper Abstract

Optical burst switching (OBS) network has been proposed as a novel network scheme which can realize IP over WDM and also been regarded as the trend of the next optical generation network. In OBS network, burst contention phenomena may often occur at the output data channel in core routers and the contention can bring on the data losing. Optical composite burst switching (OCBS) has been regarded as an efficient approach for the resolution scheme in burst contention, which segments and drops the header of contending burst, but OCBS may bring unfairness to burst dropping, this unfairness causes the OBS network can't well support quality of service (QoS). The previous works that focus on the resolution approaches for the unfairness have some limitations and also could bring unfairness to OBS network. An improved resolution approach has been proposed to solve the unfairness of burst segmentation and dropping in optical burst switching multi-hop network in this paper, this approach not only could maintain the advantage of conventional resolution approach, which could make the packets loss probability coherence in multi-hop network but also could decreases the data losing and increase the throughput for OBS network. At last, some simulations prove the validity of the proposed approach and it has the theoretic meaning to design the real OBS network in practice.

Paper Details

Date Published: 6 December 2005
PDF: 8 pages
Proc. SPIE 6022, Network Architectures, Management, and Applications III, 602233 (6 December 2005); doi: 10.1117/12.627912
Show Author Affiliations
Rui Hou, Huazhong Univ. of Science and Technology (China)
Jun-qiang Sun, Huazhong Univ. of Science and Technology (China)
Pan-feng Ding, Huazhong Univ. of Science and Technology (China)


Published in SPIE Proceedings Vol. 6022:
Network Architectures, Management, and Applications III
Kwok-wai Cheung; Gee-Kung Chang; Guangcheng Li; Ken-Ichi Sato, Editor(s)

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