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Paper Abstract and Keywords
Presentation 2013-07-19 15:15
Model Checking of OpenFlow Network with Abstraction of Packets Based on Symbolic Execution
Yutaka Yakuwa, Nobuyuki Tomizawa, Toshio Tonouchi (NEC) IN2013-54
Abstract (in Japanese) (See Japanese page) 
(in English) We propose a verification method of the OpenFlow network with the model checking, which can detect a loop routing and so on by emulating all interleaving sequences of packets in the network. The model checking is powerful, but the calculation time increases exponentially when the network is getting large. In order to reduce the calculation time, we use a symbolic execution approach: the contents of packets are expressed as symbols. The proposed method emulates the behavior of nodes in the network, by referring the packets expressed in symbols, and generates symbolic-expressed constraints under which each emulation step must satisfy. By using a constraint solver, the proposed method can skip the emulation steps whose symbolic-expressed constraints cannot be satisfied. So, the proposed method can efficiently verify the OpenFlow network.
Keyword (in Japanese) (See Japanese page) 
(in English) Software-Defined Networking / OpenFlow / Symbolic execution / Formal methods / Model checking / / /  
Reference Info. IEICE Tech. Rep., vol. 113, no. 140, IN2013-54, pp. 107-112, July 2013.
Paper # IN2013-54 
Date of Issue 2013-07-11 (IN) 
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 IN2013-54

Conference Information
Committee IN NV  
Conference Date 2013-07-18 - 2013-07-19 
Place (in Japanese) (See Japanese page) 
Place (in English) Hokkaido Univ. Faculty of Eng. Academic Lounge 3 
Topics (in Japanese) (See Japanese page) 
Topics (in English) Cloud Networking, SDN, OpenFlow, Virtual Private Network (VPN), Overlay Network/P2P, Network configuration, etc. 
Paper Information
Registration To IN 
Conference Code 2013-07-IN-NV 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Model Checking of OpenFlow Network with Abstraction of Packets Based on Symbolic Execution 
Sub Title (in English)  
Keyword(1) Software-Defined Networking  
Keyword(2) OpenFlow  
Keyword(3) Symbolic execution  
Keyword(4) Formal methods  
Keyword(5) Model checking  
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1st Author's Name Yutaka Yakuwa  
1st Author's Affiliation NEC Corporation (NEC)
2nd Author's Name Nobuyuki Tomizawa  
2nd Author's Affiliation NEC Corporation (NEC)
3rd Author's Name Toshio Tonouchi  
3rd Author's Affiliation NEC Corporation (NEC)
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Speaker Author-1 
Date Time 2013-07-19 15:15:00 
Presentation Time 25 minutes 
Registration for IN 
Paper # IN2013-54 
Volume (vol) vol.113 
Number (no) no.140 
Page pp.107-112 
#Pages 6 
Date of Issue 2013-07-11 (IN) 

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