Method of Optical Grooming for Distance-adaptive and Effective Sharing Path-aware

Liu Huan-lin; Sui Meng; Xu Yi-fan; Chen Yong; Zhang Sheng-feng

doi:10.11999/JEIT141442

Volume 37 Issue 8

Aug. 2015

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Liu Huan-lin, Sui Meng, Xu Yi-fan, Chen Yong, Zhang Sheng-feng. Method of Optical Grooming for Distance-adaptive and Effective Sharing Path-aware[J]. Journal of Electronics & Information Technology, 2015, 37(8): 1964-1970. doi: 10.11999/JEIT141442

Citation:

Liu Huan-lin, Sui Meng, Xu Yi-fan, Chen Yong, Zhang Sheng-feng. Method of Optical Grooming for Distance-adaptive and Effective Sharing Path-aware[J]. Journal of Electronics & Information Technology, 2015, 37(8): 1964-1970. doi: 10.11999/JEIT141442

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Method of Optical Grooming for Distance-adaptive and Effective Sharing Path-aware

doi: 10.11999/JEIT141442

1.
(Key Laboratory of Optical Fiber Communication, Chongqing University of Posts and Telecommunications,Chongqing 400065, China)
2.
(School of Automation, Chongqing University of Posts and Telecommunications, Chongqing 400065, China)

Received Date: 2014-11-20
Rev Recd Date: 2015-04-15
Publish Date: 2015-08-19

Abstract

Abstract

In order to address the problem of reducing the resources of transponder and spectrum in flexible grid optical networks, a lightpath circle mechanism is studied for many-to-many multicast requests, and a method of optical grooming is proposed based on distance-adaptive and effective sharing path-aware. By designing a strategy of traffic pre-processing based on distance-adaptive, a lightpath circle is constructed according to the distribution characteristics?of member nodes and the distance-adaptive criterion in the proposed method. In the process of routing and spectrum allocation, by constructing a decision matrix oriented optical grooming and a priority scheduling vector, the multicast request is groomed into the established traffic with the highest effective sharing links. Moreover, the appropriate spectrum resources are allocated for the groomed requests to increase the success rates of grooming and to save the resources of transponder and spectrum. Simulation results show that the proposed method can significantly reduce the number of traffic consumed transponders and sub-carriers.
- Flexible grid optical networks,
- Lightpath circle,
- Optical traffic grooming,
- Sharing path-aware

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