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Paper Abstract and Keywords
Presentation 2007-12-20 14:25
An efficient multicast forwarding method for optical bursts under restriction in number of burst replicas
Nagao Ogino, Hajime Nakamura (KDDI R&D Labs.) PN2007-30
Abstract (in Japanese) (See Japanese page) 
(in English) Optical burst switching (OBS) is a promising approach to realize a future flexible high-speed optical network. Particularly, multicast forwarding method for optical bursts is important to realize an efficient grid computing network. In the OBS networks, number of burst replicas generated at each node is strongly restricted due to optical power impairment of multicast bursts. Moreover, unrestricted replication of multicast bursts at each node may not be advantageous because increase in the number of multicast bursts within the network causes more frequent deflection forwarding of optical bursts. This paper proposes an efficient hop-by-hop multicast forwarding method for optical bursts. The proposed method determines the best idle output ports based on their scores simply calculated using routing table that each OBS node holds. Simulation results show that the proposed method can mitigate degrade of transfer quality for multicast bursts under restriction in the number of burst replicas at each node, and even improves the loss rates of both multicast and unicast bursts by switching the forwarding method for the multicast bursts to the simple unicast forwarding if the arrival rate of multicast bursts is relatively large.
Keyword (in Japanese) (See Japanese page) 
(in English) Optical burst switching network / Multicast forwarding method / Restriction in number of burst replicas / Output port score / Computer simulation / / /  
Reference Info. IEICE Tech. Rep., vol. 107, no. 404, PN2007-30, pp. 1-6, Dec. 2007.
Paper # PN2007-30 
Date of Issue 2007-12-13 (PN) 
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 PN2007-30

Conference Information
Committee NS PN  
Conference Date 2007-12-20 - 2007-12-21 
Place (in Japanese) (See Japanese page) 
Place (in English) Chiba Univ. 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Photonic Network Systems, etc. 
Paper Information
Registration To PN 
Conference Code 2007-12-NS-PN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An efficient multicast forwarding method for optical bursts under restriction in number of burst replicas 
Sub Title (in English)  
Keyword(1) Optical burst switching network  
Keyword(2) Multicast forwarding method  
Keyword(3) Restriction in number of burst replicas  
Keyword(4) Output port score  
Keyword(5) Computer simulation  
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Keyword(7)  
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1st Author's Name Nagao Ogino  
1st Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
2nd Author's Name Hajime Nakamura  
2nd Author's Affiliation KDDI R&D Laboratories Inc. (KDDI R&D Labs.)
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Speaker Author-1 
Date Time 2007-12-20 14:25:00 
Presentation Time 25 minutes 
Registration for PN 
Paper # PN2007-30 
Volume (vol) vol.107 
Number (no) no.404 
Page pp.1-6 
#Pages 6 
Date of Issue 2007-12-13 (PN) 

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