Presentation 2006-08-23
An OBS Network Design Method based on Iterative Local Minimization of Average Blocking Probability
Hidetaka NAGASHIMA, Hiroshi HASEGAWA, Ken-ichi SATO,
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Abstract(in English) In this paper, we propose a Routing and Wavelength Assignment (RWA) algorithm, in Optical Burst Switching networks with centralized control. The algorithm tries to minimize expected total blocking time. The expected total blocking time is higher order polynomial of route/wavelength assignment variables, thus it is hard to find global minimizer. We show that the minimization on each variable is to find the minimum value among given weights assigned for pairs of routes and wavelengths. Based on this observation, the proposed algorithm iteratively minimize the expected total blocking time to find locally optimum solution.
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Keyword(in English) Optical Burst Switching / Route and Wavelength Assignment / Iterative Optimization / Path Computation Element
Paper # PN2006-19
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Conference Date 2006/8/15(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) An OBS Network Design Method based on Iterative Local Minimization of Average Blocking Probability
Sub Title (in English)
Keyword(1) Optical Burst Switching
Keyword(2) Route and Wavelength Assignment
Keyword(3) Iterative Optimization
Keyword(4) Path Computation Element
1st Author's Name Hidetaka NAGASHIMA
1st Author's Affiliation Department of Electrical Engineering and Computer Science, Nagoya University()
2nd Author's Name Hiroshi HASEGAWA
2nd Author's Affiliation Department of Electrical Engineering and Computer Science, Nagoya University
3rd Author's Name Ken-ichi SATO
3rd Author's Affiliation Department of Electrical Engineering and Computer Science, Nagoya University
Date 2006-08-23
Paper # PN2006-19
Volume (vol) vol.106
Number (no) 208
Page pp.pp.-
#Pages 4
Date of Issue