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Paper Abstract and Keywords
Presentation 2009-03-12 16:05
Delay Reduction Algorithm by Balancing Distribution of Traffic for Odd-Even Turn Model in NoCs
Shingo Wakita, Nozomu Togawa, Masao Yanagisawa, Tatsuo Ohtsuki (Waseda Univ.) VLD2008-152
Abstract (in Japanese) (See Japanese page) 
(in English) It is necessary to suppress the average delay to low when the packet is forwarded from a source node to the destination node in Network-on-Chip (NoC) for the quality maintenance of the communication between nodes. Adaptive routing used in NoC is composed of routing function that selects route candidates and selection function that decides the candidate which minimizes the communication delay for the distribution of traffic to the used route. Currently, the odd-even turn model has been used as the most popular method for routing function. However, due to that odd-even turn model doesn't consider the load distribution when conducting route selection, the use of the channel on which the load has been concentrated might not be avoided and the delay might grow as a result. Thus, in this paper we propose an approach for both traffic decentralization and delay reduction. The proposed approach introduces a concept of restricted area, which contains the region concentrating traffic by the feature of the route selection method of odd-even turn model and limits the use of channels in the restricted area.
Keyword (in Japanese) (See Japanese page) 
(in English) adaptive routing / routing function / odd-even turn model / delay reduction / / / /  
Reference Info. IEICE Tech. Rep., vol. 108, no. 478, VLD2008-152, pp. 153-158, March 2009.
Paper # VLD2008-152 
Date of Issue 2009-03-04 (VLD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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 VLD2008-152

Conference Information
Committee VLD  
Conference Date 2009-03-11 - 2009-03-13 
Place (in Japanese) (See Japanese page) 
Place (in English)  
Topics (in Japanese) (See Japanese page) 
Topics (in English) Design Technology for a System-on-Silicon 
Paper Information
Registration To VLD 
Conference Code 2009-03-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Delay Reduction Algorithm by Balancing Distribution of Traffic for Odd-Even Turn Model in NoCs 
Sub Title (in English)  
Keyword(1) adaptive routing  
Keyword(2) routing function  
Keyword(3) odd-even turn model  
Keyword(4) delay reduction  
1st Author's Name Shingo Wakita  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Nozomu Togawa  
2nd Author's Affiliation Waseda University (Waseda Univ.)
3rd Author's Name Masao Yanagisawa  
3rd Author's Affiliation Waseda University (Waseda Univ.)
4th Author's Name Tatsuo Ohtsuki  
4th Author's Affiliation Waseda University (Waseda Univ.)
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Date Time 2009-03-12 16:05:00 
Presentation Time 25 
Registration for VLD 
Paper # IEICE-VLD2008-152 
Volume (vol) IEICE-108 
Number (no) no.478 
Page pp.153-158 
#Pages IEICE-6 
Date of Issue IEICE-VLD-2009-03-04 

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