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Paper Abstract and Keywords
Presentation 2012-03-09 15:20
Expanding Darknet Space with Virtual Sensors
Kazuhiro Tobe, Shigeki Goto (Waseda Univ.)
Abstract (in Japanese) (See Japanese page) 
(in English) Only anomalous traffic can be monitored in a network consisting of assigned but unused IP addresses (darknet). Although a darknet requires a large amount of IP addresses, it is difficult to acquire unused IP address space dedicated to network monitoring on a large scale. Some studies have proposed automatically detecting unused IP addresses (Virtual Dark IP addresses, VDIPs) and port numbers (Virtual Dark Ports, VDPs) as virtual sensors leveraged to monitor the network. Nevertheless, quantitative analyses on virtual sensor space have been incomplete. The purpose of this study is to expand virtual sensor space using features on the usage of IP addresses and port numbers. Also, this study aims to shorten the processing time to detect virtual sensors automatically. Our key findings from several evaluation experiments in an actual network with the /16 prefix are as follows: Setting appropriate parameters in the VDIP detection algorithm, the processing time can be reduced more than half without decreasing the number of VDIPs, the false detection of VDIPs can be moderated, and the changes in used IP addresses over time can be reflected into virtual sensor space; also, virtual sensor space consisting of VDPs can cover up to 99.98 percent of the network and expand the coverage of virtual sensor space consisting of VDIPs by up to 6.84 points.
Keyword (in Japanese) (See Japanese page) 
(in English) network security / network monitoring / darknet / virtual sensor / / / /  
Reference Info. IEICE Tech. Rep., vol. 111, no. 469, IN2011-189, pp. 311-316, March 2012.
Paper # IN2011-189 
Date of Issue 2012-03-01 (IN) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380

Conference Information
Committee NS IN  
Conference Date 2012-03-08 - 2012-03-09 
Place (in Japanese) (See Japanese page) 
Place (in English) Miyazaki Seagia 
Topics (in Japanese) (See Japanese page) 
Topics (in English) General 
Paper Information
Registration To IN 
Conference Code 2012-03-NS-IN 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) Expanding Darknet Space with Virtual Sensors 
Sub Title (in English)  
Keyword(1) network security  
Keyword(2) network monitoring  
Keyword(3) darknet  
Keyword(4) virtual sensor  
1st Author's Name Kazuhiro Tobe  
1st Author's Affiliation Waseda University (Waseda Univ.)
2nd Author's Name Shigeki Goto  
2nd Author's Affiliation Waseda University (Waseda Univ.)
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Date Time 2012-03-09 15:20:00 
Presentation Time 20 
Registration for IN 
Paper # IEICE-IN2011-189 
Volume (vol) IEICE-111 
Number (no) no.469 
Page pp.311-316 
#Pages IEICE-6 
Date of Issue IEICE-IN-2012-03-01 

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