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Journal Papers

Toshiaki Hayashi and Satoru Ohta, "Performance degradation detection of virtual machines via passive measurement and machine learning," International Journal of Adaptive, Resilient and Autonomic Systems (IJARAS), 5, 2, pp.40-56, April 2014 (PDF).
Satoru Ohta and Takehito Hirota, "Power management of server clusters via machine learning and passive traffic measurement," Cyber Journals: Multidisciplinary Journals in Science and Technology, Journal of Selected Areas in Telecommunications, 3, 7, July Edition,, pp.7-16, July 2013 (PDF).
Shan Zhu and Satoru Ohta, "Real-time flow counting in IP networks: strict analysis and design issues,"Cyber Journals: Multidisciplinary Journals in Science and Technology, Journal of Selected Areas in Telecommunications, 2, 2, February Edition, pp.7-17, Feb. 2012(PDF).
Shan Zhu and Satoru Ohta, "Real-time measurement of flows classified according to their application for IP networks,"Cyber Journals: Multidisciplinary Journals in Science and Technology, Journal of Selected Areas in Telecommunications, 1, 12, December Edition, pp.22-33, Dec. 2011 (PDF).
Satoru Ohta and Ryuichi Andou, "WWW server load balancing technique employing passive measurement of server performance," ECTI Trans. EEC, 8, 1, pp.59-66, Mar. 2010 (PDF).
Satoru Ohta, Ryosuke Kurebayashi and Kiyoshi Kobayashi, "Minimizing false positives of a decision tree classifier for intrusion detection in the Internet," Journal of Network and Systems Management, 16, 4, pp.399-419, Dec. 2008 (PDF).
Yoshiaki Yamada, Satoru Ohta and Hitoshi Uematsu, "Hardware-based precise time synchronization on Gb/s Ethernet enhanced with preemptive priority," IEICE Transactions on Communications, E89-B, 3, pp.683-689, Mar. 2006 (PDF *1).
Satoru Ohta, "Storage space saving and error avoidance of passive delay variation measurement employing a hash-based technique for IP networks," IEICE Transactions on Communications (Japanese Edition), J89-B, 1, pp.10-21, Jan. 2006 (PDF *1) (in Japanese) translated in Electronics and Communications in Japan, Part 1, 90, 3, pp. 21-32, 2007．
Satoru Ohta and Toshiaki Miyazaki, "Passive packet loss measurement employing the IP packet feature extraction technique," IEICE Transactions on Information and Systems, E87-D, 12, pp.2627-2634, Dec.2004 (PDF *1).
Satoru Ohta and Toshiaki Miyazaki, "Active anycast technique that achieves capacity-aware load balancing for heterogeneous IP networks," IEICE Transactions on Communications, E87-B, 7, pp.2004-2012, July 2004 (PDF *1).
Taishi Yahara, Ryutaro Kawamura, and Satoru Ohta, "New self-healing scheme that realizes differentiated bandwidth requirement on ATM networks," IEICE Transactions on Communications, E83-B, 3, pp.672-679, Mar. 2000 (PDF *1).
Satoru Ohta, "Computational techniques for a generic and flexible telecommunication network evaluation tool," IEICE Transactions on Communications, E81-B, 11, pp.2121-2130, Nov. 1998 (PDF *1).
Ayano Yamashita and Satoru Ohta, "A study on VP network designer," IEICE Transactions on Communications, E81-B, 3, pp.503-510, Mar. 1998 (PDF *1).
Satoru Ohta and Nobuo Fujii, "Management information and its optimal allocation for ATM networks with a protection mechanism," Journal of Network and Systems Management, 1, 4, pp.373-396, Dec. 1993.
Satoru Ohta and Nobuo Fujii, "Applying OSI systems management standards to remotely controlled virtual path testing in ATM networks," IEICE Transactions on Communications, E76-B, 3, pp.280-290, Mar. 1993 (PDF *1).
Satoru Ohta and Ken-ichi Sato, "Dynamic bandwidth control of the virtual path in an Asynchronous Transfer Mode network," IEEE Transactions on Communications, 40, 7, pp.1239-1247, July 1992.
Satoru Ohta, "An approximate algorithm for decision tree design," IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences, Vol. E75-A, 5, pp.622-630, May 1992 (PDF *1).
Satoru Ohta and Fumio Kanaya, "Optimal decision tree design based on information theoretical cost bound," IEICE Transactions, Vol. E-74, 9, pp.2523-2530, Sept. 1991 (PDF *1).
Ken-ichi Sato, Satoru Ohta, and Ikuo Tokizawa, "Broadband ATM network architecture based on virtual paths," IEEE Transactions on communications, COM-38, 8, pp.1212-1222, Aug. 1990.
Hisaya Hadama and Satoru Ohta, "Routing control of virtual paths in large-scale ATM-based transport network," IEICE Transactions Part B (Japanese Edition), J72-B-I, 11, pp.970-978, Nov. 1989 (PDF *1) (in Japanese).
Ken-ichi Sato, Satoru Ohta, and Ikuo Tokizawa, "Broadband transport network architecture based on virtual path concept," IEICE Transactions Part B (Japanese Edition), J72-B-I, 11, pp.904-916, Nov. 1989 (PDF *1) (in Japanese).
Satoru Ohta, "A simple control algorithm for rearrangeable switching networks with time division multiplexed links," IEEE Journal on Selected Areas in Communications, SAC-5, 8, pp.1302-1308, Oct. 1987.
Satoru Ohta and Haruo Yamaguchi, "A non-congestion self-routing control algorithm of packet switching networks," IEICE Transactions Part A (Japanese Edition), J70-A, 2, pp.312-319, Feb. 1987 (PDF *1) (in Japanese).
Satoru Ohta and Hiromi Ueda, "A rearrangement algorithm for three-stage switching networks," IEICE Transactions Part B (Japanese Edition), J69-B, 2, pp.139-146, Feb. 1986 (PDF *1) (in Japanese), translated in Electronics and Communications in Japan, 70, 9, pp. 68-77, 1987.
Motoichi Ohtsu, Satoru Ohta, and Toshiharu Tako, "Frequency stabilization of a He-22Ne laser by intracavity polarization spectroscopy of CH4," Japanese Journal of Applied Physics, 20, 9, pp.1701-1707, Sept. 1981.

Note：*1 is provided according to the IEICE copyright policy. See also IEICE Transactions Online.

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Conference Proceedings

Satoru Ohta, "Strict and heuristic optimization of virtual machine placement and migration," in proc. the 9th International Conference on Computer Engineering and Applications (CEA '15), pp.42-51, Dubai, UAE, Feb. 2015.
Satoru Ohta and Atsushi Sakai, "Virtual machine migration methods for heterogeneous power consumption," in proc. the 11th IEEE International Conference on Autonomic and Trusted Computing (ATC-2014), pp.577-582, Bali, Indonesia, Dec. 2014.
Satoru Ohta and Hiroki Makita, "Anycast routing based on the node degree for ad hoc and sensor networks," in proc. CIT 2013, pp.439-446, Sydney, Australia, Dec. 2013.
Satoru Ohta, "Virtual machine placement algorithms to minimize physical machine count," in proc. APNOMS 2013, puster 2-4, Hiroshima, Japan, Sept. 2013.
Satoru Ohta and Shingo Toda, "Anycast routing based on connectivity metric for sensor and ad hoc networks," in proc. UIC 2012, pp.56-63, Fukuoka, Japan, Sept. 2012.
Toshiaki Hayashi and Satoru Ohta, "Performance management of virtual machines via passive measurement and machine learning," in proc. ATC 2012, pp.533-538, Fukuoka, Japan, Sept. 2012.
Satoru Ohta and Shan Zhu, "Real-time measurement of flows classified according to their application," in proc. APNOMS 2011, Paper TS3-2, Taipei, Taiwan, Sept. 2011.
Satoru Ohta and Takehito Hirota, "Machine learning approach to the power management of server clusters," in proc. CIT-2011, pp.571-578, Pafos, Cyprus, Aug. 2011.
Satoru Ohta, Kan Toyoshima, Hitoshi Uematsu, Kenji Hisadome and Mitsuhiro Teshima, "Adaptive minimum filter that achieves precise time synchronization on IP networks," in proc. TENCON 2010, pp.1992-1997, Fukuoka, Japan, Nov. 2010.
Shan Zhu and Satoru Ohta, "Fast and accurate flow counting algorithm for the management of IP networks," in proc. NOMS 2010, pp.918-921, Osaka, Japan, Apr. 2010.
Shan Zhu and Satoru Ohta, "Simple method to passively estimate the throughput of a TCP flow in IP networks," in proc. ICOIN 2010, paper 5B-3, Busan, Korea, Jan. 2010.
Satoru Ohta and Ryuichi Andou, "WWW server load balancing technique based on passive performance measurement," in proc. ECTI-CON 2009, pp.884-887, Pattaya, Thailand, May 2009.
Yoshiaki Yamada, Satoru Ohta and Hitoshi Uematsu, "Hardware-based precise time synchronization on Gb/s Ethernet," in proc. GLOBECOM 2005, pp.152-156, St. Louis, MO, USA, November 2005.
Satoru Ohta and Toshiaki Miyazaki, "Passive packet loss monitoring using a hash-based identification technique," in posters of IM 2005, paper P2_09, Nice, France, May 2005.
Satoru Ohta and Toshiaki Miyazaki, "Flexible anycast utilizing the programmable node technique," in proc. ANTA 2003, pp.75-85, Osaka, Japan, May 2003.
Satoru Ohta and Toshiaki Miyazaki, "Active load balancing technique for heterogeneous IP networks," in posters of the 4th Annual IFIP International Working Conference on Active Networks (IWAN 2002), Zurich, Switzerland, Dec. 2002.
Satoru Ohta, Seiichiro Tani, and Toshiaki Miyazaki, "Multicast as a traffic variance smoother for IP streaming service," in proc. the 10th Telecommunication Network Strategy and Planning Symposium (NETWORKS 2002), pp. 105-110, Munich, Germany, June 2002.
Satoru Ohta and Ardian Greca, "Comparison of routing and wavelength assignment algorithms for optical networks," in proc. the 2001 IEEE Workshop on High Performance Switching and Routing (HPSR 2001), pp. 146-149, Dallas, Texas, May 2001.
Satoru Ohta and Katsushi Iwashita, "Asymmetric path ring," in proc. the 9th International Telecommunication Network Planning Symposium (NETWORKS 2000), paper 40, Toronto, Canada, Sept. 2000.
Satoru Ohta, "Optimization of ATM leased line networks from user's viewpoint," in proc. the 8th International Telecommunication Network Planning Symposium (NETWORKS 98), pp. 587-592, Sorrento, Italy, Oct. 1998.
Michael Gryseels, Satoru Ohta, Roberto Clemente and Piet Demeester, "Optimal design resilience in ATM and SDH backbone networks," in proc. the IEEE ATM '98 Workshop, pp. 400-409, Fairfax Virginia, May 1998.
Piet Demeester, Michael Gryseels, Kristof Van Doorselaere, Achim Autenrieth, Carlo Brianza, Giulio Signorelli, Roberto Clemente, Mauro Ravera, Andrzej Jajszczyk, Darius Janukowicz, Gustav Kalbe, Yohnosuke Harada, Satoru Ohta, and Anasser G. Rhissa, "Resillience in a multi-layer network," in proc. the First International Workshop on the Design of Reliable Communication Networks (DRCN 98), paper IL4, Brugge, Belgium, May 1998.
Michael Gryseels, Satoru Ohta, Roberto Clemente and Piet Demeester, "A cost evaluation of service protection strategies in ATM on SDH networks," in proc. the First International Workshop on the Design of Reliable Communication Networks (DRCN 98), paper O38, Brugge, Belgium, May 1998.
Taishi Yahara, Ryutaro Kawamura and Satoru Ohta, "Multi-reliability self-healing scheme that guarantees minimum cell rate," in proc. the First International Workshop on the Design of Reliable Communication Networks (DRCN 98), paper O14, Brugge, Belgium, May 1998.
Ryutaro Kawamura and Satoru Ohta, "Self-healing ATM network architecture: implementation results from NTT's nationwide testbed ATM network," in proc. 7th International Telecommunication Network Planning Symposium (NETWORKS 96), pp. 717-722, Sidney, Australia, Nov. 1996.
Satoru Ohta and Kazutoshi Nunokawa, "Comparison of alternative service protection mechanism for wide area networks," in proc. 7th International Network Planning Symposium (NETWORKS 96), pp. 281-286, Sidney, Australia, Nov. 1996.
Hiroshi Saito, Shin-ichi Nakagawa, Yuka Kato, and Satoru Ohta, "Engineering and operation concept in ATM networks and its implementation," in proc. the Malaysia International Conference on Communications 1995 (MICC '95), paper 1.2.1-1.2.7, Lankaui, Malaysia, Nov. 1995.
Satoru Ohta and Nobuo Fujii, "Applying OSI systems management standards to virtual path testing in ATM networks," in proc. Third International Symposium on Integrated Network Management (ISINM '93), pp. 629-640, San Francisco, California, Apr. 1992.
Satoru Ohta and Fumio Kanaya, "Optimal decision tree design based on information theoretical cost bound," in proc. 1990 International Symposium on Information Theory and Its Applications (ISITA '90), paper 15-4, pp. 235-238, Waikiki, Hawaii, Nov. 1990.
Ken-ichi Sato, Satoru Ohta and Ikuo Tokizawa, "Dynamic reconfiguration of ATM-based network via virtual path strategy," in proc. IEEE International Multimedia Communications Workshop (MULTIMEDIA '89), Ottawa, Canada, Apr. 1989.
Satoru Ohta, Ken-ichi Sato and Ikuo Tokizawa, "A dynamically controllable ATM transport network based on the virtual path concept," in proc. IEEE GLOBECOM '88, Vol. 3 of 3, paper 39.2.1-39.2.5, pp. 1272-1276, Hollywood, Florida, Dec. 1988.
Yukifusa Okano, Satoru Ohta, and Takao Kawata, "Assessment of cross-connect systems in transmission networks," in proc. GLOBECOM '87, Vol. 2 of 3, paper 28.1.1-28.1.5, pp. 1085-1089, Tokyo, Japan, Nov. 1987.

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Meeting Reports

Toshiaki Hayashi and Satoru Ohta, "Detecting the performance degradation of virtual machines through passive measurement and machine learning," IEICE Technical Report, IN2012-, Sept. 2012 (in Japanese).
Shingo Toda and Satoru Ohta, "Anycast routing based on a connectivity metric for wireless sensor networks," IEICE Technical Report, NS2011-243, Mar.2012 (in Japanese).
Takehito Hirota and Satoru Ohta, "Machine learning based power management for WWW server clusters," IEICE Technical Report, IN2010-177, Mar 2011 (in Japanese).
Satoru Ohta, Hitoshi Uematsu, Kan Toyoshima, Kenji Hisadome, and Mitsuhiro Teshima, "Adaptive minimum filter for precise time synchronization on IP networks," IEICE Technical Report, CS2009-90 (CAS2009-95, SIP2009-140), Mar. 2010 (in Japanese).
Ryuichi Ando and Satoru Ohta, "Applying the performance metric based on TCP SYN and SYN ACK to server load balancing," IEICE Technical Report, CQ2009-38, Nov. 2009 (in Japanese).
Shan Zhu and Satoru Ohta, "Fast and accurate method to count flows in IP networks," IEICE Technical Report, CQ2009-37, Nov. 2009.
Kazuhiro Shido and Satoru Ohta, "WWW cache replacement policy based on the passive measurement of server load," IEICE Technical Report, IA2008-36, Nov. 2008 (in Japanese).
Satoru Ohta, Hitoshi Uematsu, Kan Toyoshima, Kenji Hisadome, and Mitsuhiro Teshima, "Experimental study of the minimum filtering technique for round trip time," IEICE Technical Report, CQ2008-26 (OIS2008-29, IE2008-51), Sept. 2008 (in Japanese).
Yoshiaki Yamada, Satoru Ohta, and Hitoshi Uematsu, "Time synchronization through real-time packet delivery achieved by the enhanced Gb/s ethernet protocol," Technical Report of IEICE, CS2004-218 (SIP2004-125, CAS2004-81), Mar. 2005. (in Japanese)
Tsunemasa Hayashi, Stephanie Fung, Ryosuke Kurebayashi, Kiyoshi Kobayashi, and Satoru Ohta, "A performance tuning method in intrusion detection using Bayesian networks," IPSJ SIG Technical Report, 2004-CSEC-27-14, Dec. 2004.
Satoru Ohta, "Saving the storage cost for passive delay variance measurement in IP networks," Technical Report of IEICE, CQ2004-92, Nov. 2004 (in Japanese).
Satoru Ohta and Toshiaki Miyazaki, "Hash-based packet feature extraction applied to passive performance measurement for IP network," Technical Report of IEICE, IN2004-4, May 2004 (in Japanese).
Satoru Ohta and Toshiaki Miyazaki, "Active load balancing for heterogeneous IP networks," Technical Report of IEICE, IN2002-66 (NS2002-122, CS2002-77), Sept.2002 (in Japanese).
Satoru Ohta, Seiichiro Tani, and Toshiaki Miyazaki, "Traffic smoothing effect by an adaptive multicast technique," Technical Report of IEICE, IN2002-19, June 2002 (in Japanese).
Satoru Ohta and Shirou Ozasa, "Heuristic approaches for optimizing ATM enterprise networks," Technical Report of IEICE, IN99-15, May 1999 (in Japanese).
Satoru Ohta, "Virtual path routing techniques in ATM networks," Technical Report of IEICE, IN98-24, May 1998 (in Japanese).
Taishi Yahara, Ryutaro Kawamura, and Satoru Ohta, "Multi-reliability self-healing scheme for guarantees minimum cell rate," Technical Report of IEICE, CQ97-72, Feb. 1998 (in Japanese).
Satoru Ohta, "Optimization of ATM enterprise networks from the customer viewpoint," Technical Report of IEICE, CS97-112 (SAT97-68), Oct. 1997 (in Japanese).
Ayano Yamashita and Satoru Ohta, "A study on VP network designer," Technical Report of IEICE, IN97-37 (CS97-18, MVE97-18), Apr. 1997.
Satoru Ohta, "Generic cost evaluation tool for transport network," Technical Report of IEICE, CS96-113 (SAT96-80), Oct. 1996 (in Japanese).
Satoru Ohta, "Measurement period for cell loss ratio monitoring on virtual paths in Atm NETWORKS," Technical Report of IEICE, CS94-154 (IN94-126), Nov. 1994 (in Japanese).
Satoru Ohta and Nobuo Fujii, "Technical issues on management of the ATM networks that support multimedia communications," Technical Report of IEICE, CS96-113 (SAT96-80), Oct. 1996 (in Japanese).
Satoru Ohta, "Measurement period for cell loss ratio monitoring on virtual paths in Atm NETWORKS," Technical Report of IEICE, CS94-154 (IN94-126), Nov. 1994 (in Japanese).
Satoru Ohta and Nobuo Fujii, "Technical issues on management of the ATM networks that support multimedia communications," Technical Report of IEICE, CS94-3, Apr. 1994 (in Japanese).
Satoru Ohta and Nobuo Fujii, "Management information for remote virtual path testing in ATM networks," Technical Report of IEICE, CS93-134 (SAT93-65), Nov. 1993 (in Japanese).
Satoru Ohta and Nobuo Fujii, "Remote virtual path testing through TMN for ATM Networks," Technical Report of IEICE, CS92-76 (IE92-98), Dec. 1992 (in Japanese).
Hisaya Hadama and Satoru Ohta, "Adaptive routing control of virtual paths in large scale ATM network," Technical Report of IEICE, CS89-41 (SSE89-50, IN89-45), July 1989 (in Japanese).
Satoru Ohta and Ken-ichi Sato, "Capacity control of the virtual path in high-speed burst transport systems," Technical Report of IEICE, CS88-86 (IE88-90), Dec. 1988 (in Japanese).
Ken-ichi Sato, Satoru Ohta, and Ikuo Tokizawa, "High-speed burst transport system based on virtual path concept," Technical Report of IEICE, CS88-9 (SSE88-52, IN88-34), July 1988 (in Japanese).
Satoru Ohta and Haruo Yamaguchi, "A self-routing packet switching network," Technical Report of IEICE, CS85-151, Jan. 1986 (in Japanese).
Satoru Ohta and Hiromi Ueda, "A rearrangement algorithm for three-stage switching networks," Technical Report of IEICE, CAS84-224, Mar. 1985 (in Japanese).

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