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Paper Abstract and Keywords
Presentation 2015-01-30 16:50
A Latency-Aware Packet Scheduling on Responsive Link
Kouhei Oosawa, Shuma Hagiwara, Yusuke Kumura, Keigo Mizotani, Masayoshi Takasu, Nobuyuki Yamasaki (Keio Univ.) VLD2014-150 CPSY2014-159 RECONF2014-83
Abstract (in Japanese) (See Japanese page) 
(in English) Recently, distributed systems with multiple processors are now quite widespread. In particular, distributed systems with timing constraints such as humanoid robots require not only in-node real-time capability but also inter-node real-time capability. In this research, we propose the real-time packet scheduling technique for Responsive Link, the communication standard for distributed systems. Responsive Link has a priority based packet overtaking functionality. In the proposed technique, the packet priority is determined based on the slack time which is the difference between the deadline of the task and the communication latency. In order to evaluate the effect of the technique, we first measured the hop latency of Responsive Link. And we conducted the simulation evaluation with the measured communication latency data considered in order to obtain more realistic results. Simulation results show that the proposed technique increases the schedulability compared to the existing techniques.
Keyword (in Japanese) (See Japanese page) 
(in English) Responsive Link / Packet Overtakig Mechanism / Distributed Real-Time System / Real-Time Communication / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 427, CPSY2014-159, pp. 233-238, Jan. 2015.
Paper # CPSY2014-159 
Date of Issue 2015-01-22 (VLD, CPSY, RECONF) 
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 VLD2014-150 CPSY2014-159 RECONF2014-83

Conference Information
Committee RECONF CPSY VLD IPSJ-SLDM  
Conference Date 2015-01-29 - 2015-01-30 
Place (in Japanese) (See Japanese page) 
Place (in English) Hiyoshi Campus, Keio University 
Topics (in Japanese) (See Japanese page) 
Topics (in English) FPGA Applications, etc 
Paper Information
Registration To CPSY 
Conference Code 2015-01-RECONF-CPSY-VLD-SLDM 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A Latency-Aware Packet Scheduling on Responsive Link 
Sub Title (in English)  
Keyword(1) Responsive Link  
Keyword(2) Packet Overtakig Mechanism  
Keyword(3) Distributed Real-Time System  
Keyword(4) Real-Time Communication  
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1st Author's Name Kouhei Oosawa  
1st Author's Affiliation Keio University (Keio Univ.)
2nd Author's Name Shuma Hagiwara  
2nd Author's Affiliation Keio University (Keio Univ.)
3rd Author's Name Yusuke Kumura  
3rd Author's Affiliation Keio University (Keio Univ.)
4th Author's Name Keigo Mizotani  
4th Author's Affiliation Keio University (Keio Univ.)
5th Author's Name Masayoshi Takasu  
5th Author's Affiliation Keio University (Keio Univ.)
6th Author's Name Nobuyuki Yamasaki  
6th Author's Affiliation Keio University (Keio Univ.)
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Speaker Author-1 
Date Time 2015-01-30 16:50:00 
Presentation Time 20 minutes 
Registration for CPSY 
Paper # VLD2014-150, CPSY2014-159, RECONF2014-83 
Volume (vol) vol.114 
Number (no) no.426(VLD), no.427(CPSY), no.428(RECONF) 
Page pp.233-238 
#Pages 6 
Date of Issue 2015-01-22 (VLD, CPSY, RECONF) 

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