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Paper Abstract and Keywords
Presentation 2007-01-30 16:05
Improvement of Band-Loss in Low-Delay Burst Transmission Scheme Confirming Availability at Transit Nodes
Hironori Yoshidome, Nobuo Goto (Toyohashi Univ. of Tech.) PN2006-78 OPE2006-160 LQE2006-149
Abstract (in Japanese) (See Japanese page) 
(in English) We have proposed a low-delay burst transmission scheme whose purpose is to restrain burst-transmission delay under heavy traffic loads in OBS networks. The proposed scheme can use available time periods for the burst transmission which are thrown away in conventional dynamic two-way (DTW) scheme because the control packet searches the whole reservation table at each transit node in the proposed scheme. Thus, the proposed scheme effectively suppresses the growth of the burst-transmission delay in comparison with conventional schemes. However, in the proposed scheme, we have to consider a different problem which is increase of band-loss caused by the tentative reservation. In this paper, we investigate the band-loss and propose two improved schemes so as to reduce the amount of band-loss. One of them is early release (ER) scheme which can reduce the duration time of band-loss. Another is limited reference (LR) scheme which can reduce the size of band-loss. From the result of simulation, it was found that the amount of band-loss caused by the tentative reservation in the proposed scheme becomes larger than that caused by the frequency of burst retransmission in conventional one-way scheme under light traffic loads. However, it was also confirmed that the combination of ER and LR scheme can effectively reduce the amount of band-loss while maintaining high restrictive effect of burst-transmission delay.
Keyword (in Japanese) (See Japanese page) 
(in English) OBS network / dynamic two-way scheme / tentative reservation / amount of band-loss / / / /  
Reference Info. IEICE Tech. Rep., vol. 106, Jan. 2007.
Paper #  
Date of Issue 2007-01-22 (PN, OPE, LQE) 
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 PN2006-78 OPE2006-160 LQE2006-149

Conference Information
Committee OPE EMT LQE PN  
Conference Date 2007-01-29 - 2007-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Osaka Univ. Convention Center 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic integrated circuits and devices, swtiching, PLC, fiber devices, waveguide analysis, and others 
Paper Information
Registration To EMT 
Conference Code 2007-01-OPE-EMT-LQE-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Improvement of Band-Loss in Low-Delay Burst Transmission Scheme Confirming Availability at Transit Nodes 
Sub Title (in English)  
Keyword(1) OBS network  
Keyword(2) dynamic two-way scheme  
Keyword(3) tentative reservation  
Keyword(4) amount of band-loss  
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Keyword(6)  
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Keyword(8)  
1st Author's Name Hironori Yoshidome  
1st Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
2nd Author's Name Nobuo Goto  
2nd Author's Affiliation Toyohashi University of Technology (Toyohashi Univ. of Tech.)
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Speaker Author-1 
Date Time 2007-01-30 16:05:00 
Presentation Time 25 minutes 
Registration for EMT 
Paper # PN2006-78, OPE2006-160, LQE2006-149 
Volume (vol) vol.106 
Number (no) no.513(PN), no.514(OPE), no.515(LQE) 
Page pp.173-178 
#Pages 6 
Date of Issue 2007-01-22 (PN, OPE, LQE) 

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