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Paper Abstract and Keywords
Presentation 2016-05-19 14:20
An evaluation of proactive network control on a wide-area SDN testbed
Yousuke Takahashi, Akito Suzuki, Keisuke Ishibashi, Kohei Shiomoto (NTT), Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata (Osaka Univ.) IN2016-7 RCS2016-29
Abstract (in Japanese) (See Japanese page) 
(in English) Software-defined networking, particularly OpenFlow, has enabled traffic engineering (TE) using arbi- trary traffic group as a granularity of control. We have developed a novel TE scheme that dynamically generates traffic groups, named macroflows, by analyzing monitored flow information in real-time, and proactively configure routing paths computed in accordance with their characteristics. In this paper, to demonstrate the feasibility of our macroflow-based TE scheme, we implement a proof-of-concept (PoC) network making use of open-source software and conduct a performance experiment. We also conduct a demonstration experiment in the wide-area SDN testbed RISE on JGN–X to clarify the feasibility of our TE in realistic network and evaluate the load of control plane when our TE is conducted. Our evaluation shows that the configuration load of an edge function that adds path labels to packets is much heavier than it of a core function that forwards packets according to path label. This result reveals that the network topology affects the load of the control plane. Finally, based on the knowledge obtained through implementing a PoC and conducting a testbed experiment, we discuss the challenges in adopting TE scheme into real network environment.
Keyword (in Japanese) (See Japanese page) 
(in English) Traffic engineering / SDN/OpenFlow / Macroflow / / / / /  
Reference Info. IEICE Tech. Rep., vol. 116, no. 45, IN2016-7, pp. 37-42, May 2016.
Paper # IN2016-7 
Date of Issue 2016-05-12 (IN, RCS) 
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 IN2016-7 RCS2016-29

Conference Information
Committee IN RCS  
Conference Date 2016-05-19 - 2016-05-20 
Place (in Japanese) (See Japanese page) 
Place (in English) Kikai-Shinko-Kaikan Bldg. 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To IN 
Conference Code 2016-05-IN-RCS 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) An evaluation of proactive network control on a wide-area SDN testbed 
Sub Title (in English)  
Keyword(1) Traffic engineering  
Keyword(2) SDN/OpenFlow  
Keyword(3) Macroflow  
1st Author's Name Yousuke Takahashi  
1st Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
2nd Author's Name Akito Suzuki  
2nd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
3rd Author's Name Keisuke Ishibashi  
3rd Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
4th Author's Name Kohei Shiomoto  
4th Author's Affiliation Nippon Telegraph and Telephone Corporation (NTT)
5th Author's Name Tatsuya Otoshi  
5th Author's Affiliation Osaka University (Osaka Univ.)
6th Author's Name Yuichi Ohsita  
6th Author's Affiliation Osaka University (Osaka Univ.)
7th Author's Name Masayuki Murata  
7th Author's Affiliation Osaka University (Osaka Univ.)
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Speaker Author-1 
Date Time 2016-05-19 14:20:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2016-7, RCS2016-29 
Volume (vol) vol.116 
Number (no) no.45(IN), no.46(RCS) 
Page pp.37-42(IN), pp.31-36(RCS) 
Date of Issue 2016-05-12 (IN, RCS) 

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