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Chin. Opt. Lett.
 Home  List of Issues    Issue 03 , Vol. 10 , 2012    10.3788/COL201210.030602


Parallel signaling-based fast restoration scheme in distributed optical networks
Weiwei Bian, Hongxiang Wang, Yuefeng Ji
State Key Laboratory of Information Photonics and Optical Communications, [Beijing University of Posts and Telecommunications], Beijing 100876, China

Chin. Opt. Lett., 2012, 10(03): pp.030602

DOI:10.3788/COL201210.030602
Topic:Fiber optics and optical communications
Keywords(OCIS Code): 060.4250  060.4256  060.4257  

Abstract
The fast parallel restoration (FPR) scheme is proposed to achieve the fast setup of restoration label switched path (LSP) in the distributed optical networks. The scheme is derived by dividing the whole restoration LSP into several segments of sub-LSP and triggering each sub-LSP along the new route to finish the signaling procedure concurrently, and subsequently merging all sub-LSPs into a whole LSP. The theoretical analysis and simulation results show that the FPR scheme outperforms the other two typical restoration schemes in terms of connection setup time.

Copyright: © 2003-2012 . This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

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Received:2011/5/26
Accepted:2011/8/23
Posted online:2011/10/24

Get Citation: Weiwei Bian, Hongxiang Wang, Yuefeng Ji, "Parallel signaling-based fast restoration scheme in distributed optical networks," Chin. Opt. Lett. 10(03), 030602(2012)

Note: This work was supported in part by the National "863" Program of China (No. 2009AA01A345), the National "973" Program of China (No. 2012CB315700), and the National Natural Science Foundation of China (No. 61171103).



References

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