Presentation 2012-03-12
Proposal of a Globally-Synchronized Optical Time-Slot Switching Network
Atsushi HIRAMATSU, Masahiro NAKAGAWA, Keisuke OKAMOTO, Shota TAKANO, Kenji YOKOTA, Tatsuro TAKAHASHI,
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Abstract(in English) We propose a cost-effective and power-saving network architecture, globally-synchronized optical time-slot switching network, which provides flexible sub-lambda paths. All of the timings of optical burst transmission and optical switch configuration are periodically controlled with globally and accurately time-synchronized controllers. Since both buffering and label processing can be eliminated, proposed architecture is a viable and promising technology for realizing all-optical networks. This paper presents the details of the design method for the delay adjustment, time-slot length, guard-time length, and scheduling cycle. Moreover, we propose a novel scheduling algorithm for time-slot allocation considering propagation delay, and show that the links in the buffer-less core network can be utilized very efficiently with such algorithms.
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Keyword(in English) Globally-Synchronized Control / Optical Time-Slot Switching / Time-Slot Scheduling / Schedule-Cycle Phase Adjustment
Paper # PN2011-83
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Conference Date 2012/3/5(1days)
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Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) Proposal of a Globally-Synchronized Optical Time-Slot Switching Network
Sub Title (in English)
Keyword(1) Globally-Synchronized Control
Keyword(2) Optical Time-Slot Switching
Keyword(3) Time-Slot Scheduling
Keyword(4) Schedule-Cycle Phase Adjustment
1st Author's Name Atsushi HIRAMATSU
1st Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation()
2nd Author's Name Masahiro NAKAGAWA
2nd Author's Affiliation NTT Network Service Systems Laboratories, NTT Corporation
3rd Author's Name Keisuke OKAMOTO
3rd Author's Affiliation School of Electrical and Electronic Engineering, Kyoto University
4th Author's Name Shota TAKANO
4th Author's Affiliation Graduate School of Informatics, Kyoto University
5th Author's Name Kenji YOKOTA
5th Author's Affiliation Graduate School of Informatics, Kyoto University
6th Author's Name Tatsuro TAKAHASHI
6th Author's Affiliation Graduate School of Informatics, Kyoto University
Date 2012-03-12
Paper # PN2011-83
Volume (vol) vol.111
Number (no) 475
Page pp.pp.-
#Pages 6
Date of Issue