Presentation 2009-03-03
A Fault-Tolerant Path Calculation Algorithm in Photonic Networks
Hiroshi YANAGI, Toyofumi TAKENAKA,
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Abstract(in English) For photonic network management, urgent path recovery is required in order to minimize the service deteriorations such as packet loss due to link failure. In this paper, we deal with Shared Restoration techniques for path recover and introduce CAFES algorithm, which calculates active and backup light paths effectively. We point out some defects of this CAFES algorithm, and propose a new Shared Restoration algorithm. We evaluate performances of our proposed algorithm by simulation experiments and show the effectiveness of our algorithm compared with CAFES from the viewpoint of path drop ratio, which is the ratio of failure active paths without backup path to total failure paths.
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Keyword(in English) Photonic networks / optical circuit switching / path protection / path drop rario
Paper # NS2008-156
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Committee NS
Conference Date 2009/2/24(1days)
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Registration To Network Systems(NS)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A Fault-Tolerant Path Calculation Algorithm in Photonic Networks
Sub Title (in English)
Keyword(1) Photonic networks
Keyword(2) optical circuit switching
Keyword(3) path protection
Keyword(4) path drop rario
1st Author's Name Hiroshi YANAGI
1st Author's Affiliation Graduate School of Engineering, Nihon University()
2nd Author's Name Toyofumi TAKENAKA
2nd Author's Affiliation Graduate School of Engineering, Nihon University
Date 2009-03-03
Paper # NS2008-156
Volume (vol) vol.108
Number (no) 457
Page pp.pp.-
#Pages 4
Date of Issue