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Link failure restoration in WDM optical transport networks and the effect of wavelength conversion

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2 Author(s)
Baroni, Stefano ; Dept. of Electron. & Electr. Eng., Univ. Coll. London, UK ; Bayvel, P.

In this work we analyze the consequences of link failure restoration. By extending a previously given algorithm we analyze all single link failures in several existing or planned network topologies, namely the PJ1PANet, NSFNet, UKNet and EON, to evaluate the new wavelength requirements. A full logical restoration is achieved by rerouting only the lightpaths passing via the failed link or by allowing the restoration wavelength to be changed, while maintaining logical end-to-end transparency

Published in:

Optical Fiber Communication. OFC 97., Conference on

Date of Conference:

16-21 Feb 1997

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