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Paper Abstract and Keywords
Presentation 2007-06-15 11:35
Equipment Protection for High Availability of Control and Data Planes in Photonic Cross-Connect
Kiyoshi Onohara, Yuji Akiyama, Hiroyuki Sato, Eiichi Horiuchi, Takashi Mizuochi, Toshiyuki Ichikawa, Sota Yoshida, Yoshimasa Baba, Kazuo Kubo, Keiji Okubo (Mitsubishi Electric Corp.) OCS2007-19
Abstract (in Japanese) (See Japanese page) 
(in English) In order to help meet the network needs arising from the continuous growth of Internet traffic, photonic cross-connects (PXCs) are under widespread investigation, as a PXC is able to provide bit-rate free and format-free switching. The switch structure and its control system are much simpler than those of a digital cross-connect due to its complete lack of O/E/O conversions. However, an optical switch failure would cause all the transmission channels through it to fail. Therefore, the reliability of the optical switches is an important factor in the stable operation of carrier-grade networks.
In this paper, we report a PXC prototype with 1+1 redundant supervisory cards and optical switches for high availability network operation. The protection was carried out without any disconnection of live traffic. The protection time of the 1+1 protected optical switches was 9.5 ms when seven paths were disconnected simultaneously due to a simulated optical switch failure. The resulting improved system outage is also discussed.
Keyword (in Japanese) (See Japanese page) 
(in English) Communication system reliability / Optical switching / Photonic cross-connect / Redundant systems / Signal restoration / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 89, OCS2007-19, pp. 53-58, June 2007.
Paper # OCS2007-19 
Date of Issue 2007-06-07 (OCS) 
ISSN Print edition: ISSN 0913-5685    Online edition: ISSN 2432-6380
Copyright
and
reproduction		 All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Download PDF OCS2007-19

Conference Information
Committee OCS PN CS  
Conference Date 2007-06-14 - 2007-06-15 
Place (in Japanese) (See Japanese page) 
Place (in English) Chitose Inst. of Science and Technology 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic network, network control, optical switching, wavelength conversion, optical quantum communications, GMPLS, etc. 
Paper Information
Registration To OCS 
Conference Code 2007-06-OCS-PN-CS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Equipment Protection for High Availability of Control and Data Planes in Photonic Cross-Connect 
Sub Title (in English)  
Keyword(1) Communication system reliability  
Keyword(2) Optical switching  
Keyword(3) Photonic cross-connect  
Keyword(4) Redundant systems  
Keyword(5) Signal restoration  
Keyword(6)  
Keyword(7)  
Keyword(8)  
1st Author's Name Kiyoshi Onohara  
1st Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
2nd Author's Name Yuji Akiyama  
2nd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
3rd Author's Name Hiroyuki Sato  
3rd Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
4th Author's Name Eiichi Horiuchi  
4th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
5th Author's Name Takashi Mizuochi  
5th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
6th Author's Name Toshiyuki Ichikawa  
6th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
7th Author's Name Sota Yoshida  
7th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
8th Author's Name Yoshimasa Baba  
8th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
9th Author's Name Kazuo Kubo  
9th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
10th Author's Name Keiji Okubo  
10th Author's Affiliation Mitsubishi Electric Corporation (Mitsubishi Electric Corp.)
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Speaker Author-1 
Date Time 2007-06-15 11:35:00 
Presentation Time 25 minutes 
Registration for OCS 
Paper # OCS2007-19 
Volume (vol) vol.107 
Number (no) no.89 
Page pp.53-58 
#Pages 6 
Date of Issue 2007-06-07 (OCS) 

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