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Paper Abstract and Keywords
Presentation 2014-01-22 14:30
Evaluation of Synchronized Method of Timeslot for Multi-ring in Optical L2 Switch Network
Kyota Hattori, Masahiro Nakagawa, Naoki Kimishima, Masaru Katayama, Hiroaki Ogawa (NTT) CS2013-90
Abstract (in Japanese) (See Japanese page) 
(in English) We are developing an optical layer-2 switch network (OL2SW-NW) that can efficiently aggregate traffic in a large-scale metro NW, which is constructed mainly by the technologies of wavelength switching and burst transmission in 10 Gbit/s Ethernet Passive Optical Network (10G-EPON). The OL2SW-NW is based on WDM/TDM ring NWs of N WDM channels. This allows the bandwidth of wavelengths in the NW to be shared with the ground paths between aggregation switches on the access NW and IP routers on the core NW. It is necessary to adjust the timing of timeslot between each node because of bufferless switching in the OL2SW-NW. However, in a ring NW, when the delay around the ring is not an integral multiple of TS, the timing of the arrival of TS deviates from the TDM control timing. In this case, each node cannot control the TS that arrives at the node. As a result, discard of the TS occurs. For this problem, we proposed a method for synchronizing TSs to achieve TS exchange between arbitrary nodes with any delay around the ring in the WDM/TDM multi-rings network. This method has the characteristic that it is possible to set the TDM control timing for each node simply by only having to measure the delay around the ring. In this paper, we evaluated the accuracy of TS synchronization in the WDM/TDM NW of two stage rings by using the prototype system.
Keyword (in Japanese) (See Japanese page) 
(in English) WDM/TDM mulit-rings / Synchronization of timeslot / / / / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 390, CS2013-90, pp. 35-40, Jan. 2014.
Paper # CS2013-90 
Date of Issue 2014-01-16 (CS) 
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. (No. 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
Notes on Review This article is a technical report without peer review, and its polished version will be published elsewhere.
Download PDF CS2013-90

Conference Information
Committee CS OCS  
Conference Date 2014-01-22 - 2014-01-23 
Place (in Japanese) (See Japanese page) 
Place (in English) Hajijo-jima Ohgagou Kouminkan 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Core/Metro System, Optical Access System/Next Generation PON, Broadband Access System, (Wide Area) Ethernet, Optical Transport Network (OTN), High-Speed Interface, Analog Optical Transmission, Quantum Communication, etc. 
Paper Information
Registration To CS 
Conference Code 2014-01-CS-OCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Evaluation of Synchronized Method of Timeslot for Multi-ring in Optical L2 Switch Network 
Sub Title (in English)  
Keyword(1) WDM/TDM mulit-rings  
Keyword(2) Synchronization of timeslot  
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1st Author's Name Kyota Hattori  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Masahiro Nakagawa  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Naoki Kimishima  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Masaru Katayama  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Hiroaki Ogawa  
5th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
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Speaker
Date Time 2014-01-22 14:30:00 
Presentation Time 20 
Registration for CS 
Paper # IEICE-CS2013-90 
Volume (vol) IEICE-113 
Number (no) no.390 
Page pp.35-40 
#Pages IEICE-6 
Date of Issue IEICE-CS-2014-01-16 


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