NDLI: Adaptive intentional connection rerouting for traffic grooming in WDM mesh networks with biological attractor selection

Content Provider	IEEE Xplore Digital Library
Author	Yan Li Jianping Wang Yun Xu
Copyright Year	2010
Description	Author affiliation: Department of Computer Science, City University of Hong Kong, Kowloon, Hong Kong (Jianping Wang) \|\| Department of Computer Science, University of Science & Tech, China (Yan Li; Yun Xu)
Abstract	In wavelength division multiplexing (WDM) mesh networks, wavelength utilization is limited by the mismatch between the high bandwidth that one wavelength can provide and the relatively low bandwidth request of a single connection. Traffic grooming which grooms multiple connections onto one wavelength is a desirable technique to improve resource utilization. However, with unpredictable traffic demand, the newly arrived request may not be accommodated using remaining resources. Rerouting which reroutes existing connections such that the newly arrived request can be accommodated is an effective approach to further improve network throughput. In this paper, we study adaptive intentional connection rerouting which intentionally triggers rerouting algorithm according to network status, with the aim to reserve maximum resources for future connections. There are two important issues in intentional rerouting scheme: when to trigger rerouting algorithm and the rule to reroute the accommodated connections. The answers to the questions can reduce network blocking probability within an appropriate number of rerouting. In this paper, we propose to use biological attractor selection approach to address the above issues so that rerouting can be performed at the right time to accommodate unpredictable traffic demand. The proposed rerouting scheme can also improve system robustness given its adaptability. The simulations demonstrate the effectiveness of our proposed adaptive rerouting approach.
Starting Page	83
Ending Page	88
File Size	148057
Page Count	6
File Format	PDF
ISBN	9781424481286
e-ISBN	9781424481293
e-ISBN	9781424481279
DOI	10.1109/APCC.2010.5680019
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2010-10-31
Publisher Place	New Zealand
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Adaptation model WDM networks Bandwidth Routing Mesh networks Adaptive systems attractor selection WDM mesh network traffic grooming rerouting
Content Type	Text
Resource Type	Article

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