論文

著書

  1. Yuichi Ohsita, and Masayuki Murata, “Optical data center networks; architecture, performance, and energy-efficiency,” in Handbook on Data Centers (S. U. Khan and A. Y. Zomaya, eds.), New York: Springer-Verlag, Feb. 2015. [Springer]

学術論文誌(査読付)

  1. Yousuke Takahashi, Keisuke Ishibashi, Masayuki Tsujino, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Separating Predictable and Unpredictable Flows via Dynamic Flow Mining for Effective Traffic Engineering," to appear in IEICE Transactions on Communications, 2017.
  2. Yuichi Ohsita, Takamichi Nishijima, Yuki Koizumi, and Masayuki Murata, "Energy saving through a buffer control approach for a data center network with hybrid optoelectronic routers," IEEE/OSA Journal of Optical Communications and Networking, Vol. 8, pp. 462-475, Jul. 2016.
  3. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Virtual Clusters for Dynamic Network Service Chaining," International Journal of Information Communication Technology and Digital Convergence , Vol. 1, pp. 41-47, Jun. 2016.
  4. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Placement of Virtual Storages for Distributed Robust Cloud Storage," IEICE Transactions on Communications, Vol. E99-B, pp. 885-893, Apr. 2016.
  5. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Abstraction Layer Based Virtual Clusters Providing Low Network Update Costs for Virtualized Data Centers," International Journal on Advances in Software, Vol. 8, pp. 457-466, Dec. 2015. [ThinkMind]
  6. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Effective Flow Aggregation for Traffic Engineering," IEICE Transactions on Communications, Vol. E98-B, pp. 2049-2059, Oct. 2015. [IEICE]
  7. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, "Traffic Prediction for Dynamic Traffic Engineering," Computer Networks Vol. 85, pp.36-50, Jul. 2015. [ScienceDirect]
  8. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Noriaki Kamiyama, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto "Traffic Engineering Based on Model Predictive Control," IEICE Transactions on Communications, Vol. E98-B, pp. 996-1007, Jun. 2015. [IEICE]
  9. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shohei Kamamura, Daisaku Shimazaki, Kohei Shiomoto, Atsushi Hiramatsu, and Masayuki Murata, "Aggregation of Traffic Information for Hierarchical Routing Reconfiguration," Computer Networks, Vol. 76, pp. 242-258, Jan. 2015. [ScienceDirect]
  10. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Reconfiguration for Reducing Energy Consumption in Optical Data Centers," IEEE/OSA Journal of Optical Communications and Networking, Vol. 6, No.10, pp. 925-942, Oct. 2014.[OSA] [IEEE]
  11. Takahide Ikeda, Yuichi Ohsita, and Masayuki Murata, "3D Network Structures using Circuit Switches and Packet Switches for on-chip Data Centers," International Journal On Advances in Networks and Services, Vol.7, pp. 73-84, Jul. 2014.[ThinkMind]
  12. Masahiro Yoshinari, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Reconfiguration with Adaptability to Traffic Changes," IEEE/OSA Journal of Optical Communications and Networking, Vol. 6, No.6, pp. 523-535, Jun. 2014. [OSA] [IEEE]
  13. Yuya Tarutani, Yuichi Ohsita, Shin'ichi Arakawa, and Masayuki Murata, "Optical-Layer Traffic Engineering with Link Load Estimation for Large-Scale Optical Networks," IEEE/OSA Journal of Optical Communications and Networking, Vol.4, No.1, pp. 38-52, Jan 2012. [OSA] [IEEE]
  14. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Gradually Reconfiguring Virtual Network Topologies based on Estimated Traffic Matrices," IEEE/ACM Transactions on Networking, Vol.18, No.1, pp. 177-189, Feb 2010. [IEEE] [ACM]
  15. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kohei Shiomoto, and Masayuki Murata "Estimation of current traffic matrices from long-term traffic variations," IEICE Transactions on Communications, Vol.E92-B, No.01, pp. 171-183, Jan 2009. [IEICE]
  16. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Deployable Overlay Network for Defense against Distributed SYN flood Attacks," IEICE Transactions on Communications, Vol.E91-B, No.8, pp. 2618-2630, Aug 2008. [IEICE]
  17. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Identification of Attack Nodes from Traffic Matrix Estimation," IEICE Transactions on Communications, Vol.E90-B, No.10, pp.2854-2864, Oct 2007. [IEICE]
  18. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Detecting distributed Denial-of-Service attacks by analyzing TCP SYN packets statistically," IEICE Transactions on Communications, Vol.E89-B, No.10, pp. 2868-2877, Oct 2006. [IEICE]

国際会議(査読付)

  1. Kodai Satake, Tatsuya Otoshi, Yuichi Ohsita and Masayuki Murata, "Traffic engineering cooperating with traffic monitoring for the case with incomplete information," to be presented at International Telecommuication Networks and Applications Conference, Nov 2017.
  2. Toshiki Shibahara, Kohei Yamanishi, Yuta Takata, Daiki Chiba, Mitsuaki Akiyama, Takeshi Yagi, Yuichi Ohsita and Masayuki Murata, "Malicious URL sequence detection using event de-noising convolutional neural network," in Proceedings of IEEE International Conference on Communications, May 2017.
  3. Yosuke Akishita, Yuichi Ohsita, and Masayuki Murata, "Network power saving based on Pareto optimal control with evolutionary approach," in Proceedings of International Conference on Computing, Networking and Communications, Jan. 2017.
  4. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Framework for Traffic Engineering under Uncertain Traffic Information," in Proceedings of International Conference on ICT Convergence, Oct. 2016.
  5. Ali Kashif Bashir, Yuichi Ohsita, Masayuki Murata, "Abstraction Layer Based Virtual Data Center Architecture for Network Function Chaining," in Proceedings of DCPerf, Jun. 2016.
  6. Yousuke Takahashi, Keisuke Ishibashi, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Separating Predictable and Unpredictable Flows via Dynamic Flow Mining for Effective Traffic Engineering," in Proceedings of IEEE ICC, May 2016.
  7. Kota Kawashima, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Dynamic Placement of Virtual Network Functions based on Model Predictive Control," in Proceedings of IEEE/IFIP AnNet, Apr. 2016.
  8. Takumi Sue, Yuichi Ohsita, and Masayuki Murata, "Online Traffic Classification Based on Swarm Intelligence ," in Proceedings of Cloud Computing, Mar. 2016.
  9. Yuichi Ohsita, and Masayuki Murata, "Data Center Network Structure using Hybrid Optoelectronic Routers," in Proceedings of Cloud Computing, Mar. 2016.
  10. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Hierarchical Traffic Engineering Based on Model Predictive Control," in Proceedings of International Conference on Computing, Networking and Communications, Feb. 2016.
  11. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Virtual Clusters for Dynamic Network Service Chaining," in Proceedings of International Conference on Information and Communication Technology and Digital Convergence Business, Nov. 2015.
  12. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Optimizing Cache Location and Route on CDN Using Model Predictive Control," in Proceedings of 27th International Teletraffic Congress, Sept. 2015.
  13. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, and Tomoaki Hashimoto, "Traffic Engineering Based on Stochastic Model Predictive Control for Uncertain Traffic Change," in Proceedings of IFIP/IEEE ManFI, May 2015.
  14. Yousuke Takahashi, Keisuke Ishibashi, Noriaki Kamiyama, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Macroflow-based traffic engineering in SDN-controlled network," in Proceedings of 11th International Conference on IP+Optical Network, Apr. 2015.
  15. Ali Kashif Bashir, Yuichi Ohsita, and Masayuki Murata, "Abstraction Layer Based Distributed Architecture for Virtualized Data Centers," in Proceedings of Cloud Computing, Mar. 2015.
  16. Noriaki Kamiyama, Yousuke Takahashi, Keisuke Ishibashi, Kohei Shiomoto, Tatsuya Otoshi, Yuichi Ohsita, and Masayuki Murata, "Flow Aggregation for Traffic Engineering," in Proceedings of IEEE Globecom, pp. 29-34, Dec. 2014.
  17. Yoshihiro Tsuji, Yuichi Ohsita, and Masayuki Murata, "Data structure enabling retrieval of time series of traffic with the requested granularity," in Proceedings of IEEE ICCS, Nov. 2014.
  18. Tatsuya Otoshi, Yuichi Ohsita, Masayuki Murata, Yousuke Takahashi, Keisuke Ishibashi, and Kohei Shiomoto "Traffic Prediction for Dynamic Traffic Engineering Considering Traffic Variation," in Proceedings of IEEE Globecom, Dec. 2013.
  19. Takahide Ikeda, Yuichi Ohsita, Masayuki Murata, "3D on-chip data center networks using circuit switches and packet switches," in Proceedings of The Eighth International Conference on Systems and Networks Communications, Oct. 2013. [ThinkMind]
  20. Yuta Shimotsuma, Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "Evaluation of data center network structures considering routing methods," in Proceedings of International Conference on Networking and Services,pp. 146-152, Mar. 2013. [ThinkMind]
  21. Masahiro Yoshinari, Yuichi Ohsita, and Masayuki Murata, "Virtual Network Topologies Adaptive to Large Traffic Changes by Reconfiguring a Small Number of Paths," in Proceedings of International Conference on Networking and Services, pp. 28-33, Mar. 2013. [ThinkMind]
  22. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata, "A Virtual Network to Achieve Low Energy Consumption in Optical Large-scale Datacenter," in Proceedings of IEEE International Conference on Communication Systems, Nov. 2012. [IEEE]
  23. Yuichi Ohsita, and Masayuki Murata, "Data Center Network Topologies using Optical Packet Switches," in Proceedings of DCPerf 2012, Jun. 2012. [IEEE]
  24. Takashi Miyamura, Yuichi Ohsita, Shohei Kamamura, Daisaku Shimazaki, Yuki Koizumi, Shin'ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, "Management of managed self-organizing network in network virtualization environment," in Proceedings of WTC 2012, Mar. 2012.
  25. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Kohei Shiomoto, and Masayuki Murata, "Hierarchical dynamic traffic engineering considering the upper bounds of link utilizations," in Proceedings of IEEE Globecom, Dec. 2011.[IEEE]
  26. Takashi Miyamura, Shin'ichi Arakawa, Yuichi Ohsita, Shohei Kamamura, Kohei Shiomoto, Masayuki Murata "Dynamic Resource Allocation for Managed Self-Organization," in Proceedings of APNOMS, Sep. 2011. [IEEE]
  27. Yuya Tarutani, Yuichi Ohsita, Shin'ichi Arakawa, and Masayuki Murata, "Estimation of Traffic Amounts on All Links by Using the Information From a Subset of Nodes," in Proceedings of the Second International Conference on Emerging Network Intelligence, Oct. 2010. [ThinkMind]
  28. Takashi Miyamura, Yuichi Ohsita, Shin'ichi Arakawa, Yuki Koizumi, Akeo Masuda, Kohei Shiomoto, and Masayuki Murata, "Network Virtualization Server for Adaptive Network Control," in Proceedings of 20th ITC Specialist Seminar on Network Virtualization - Concept and Performance Aspects, May. 2009. [ITC Specialist Seminar]
  29. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Estimating Current Traffic Matrices Accurately by Using Long-term Variations Information," in Proceedings of Broadnets, Sep. 2008. [IEEE]
  30. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, and Masayuki Murata, "Gradually Reconfiguring Virtual Network Topologies based on Estimated Traffic Matrices," in Proceedings of IEEE INFOCOM, pp.2511-2515, May 2007. [IEEE]
  31. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Identification of Attack Nodes from Traffic Matrix Estimation," in Proceedings of 4th International Trusted Internet Workshop, Dec 2005.
  32. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Deployable Overlay Network for Defense against Distributed SYN Flood Attacks," in Proceedings of IEEE ICCCN, pp. 407-412, Oct 2005. [IEEE]
  33. Yuichi Ohsita, Shingo Ata, and Masayuki Murata, "Detecting Distributed Denial-of-Service Attacks by analyzing TCP SYN packets statistically," in Proceedings of IEEE Globecom, vol. 4, pp. 2043-2049, Dec 2004. [IEEE]

解説記事

  1. 大下裕一, 荒川伸一, 村田正幸 "交流トラヒック行列推定手法とネットワーク制御への応用," 電子情報通信学会会誌, Vol.93, No.4, pp. 293-297, Apr. 2010. [CiNii]

招待講演等

  1. 大下裕一, 村田正幸 "データセンターと光技術," 電子情報通信学会 総合大会 ソサイエティ特別企画, Mar 2017.
  2. 大下裕一, "障害耐性も考慮したネットワーク低消費電力化制御," フォトニックネットワークワークショップ, Sep. 2016
  3. 大下裕一, "モデル予測制御にもとづくネットワーク制御," 将来ネットワーク科学リサーチシンポジウム, Jan. 2016
  4. 大下裕一, "次世代データセンターネットワーク," 光産業技術振興協会 光ネットワーク産業・技術研究会 公開討論会, Feb. 2015
  5. 大下裕一, 西島孝通, 小泉佑揮, 村田正幸 "光技術と電気技術の融合によるデータセンターネットワーク," 電子情報通信学会 総合大会 ソサイエティ特別企画, Mar 2014.
  6. Ken-ichi Kitayama, Soumitra Debnath, Yuki Yoshida, Ryo Takahashi, Atsushi Hiramatsu, Yuichi Ohsita, Masayuki Murata, and Masahiro Hayashitani, "Green and Smart Data Center Networks based on Optical Packet Switching with Flow Control," IEEE Summer Topicals, Photonics in Data Centers, July 2013.
  7. 大下裕一, 村田正幸 "[招待講演] データセンターに適したネットワーク構造," 電子情報通信学会技術研究報告(IN2013-10 ), pp. 55-60, Apr 2013. [IEICE]
  8. Yuichi Ohsita, "Trends in Research on Data Center Networks," Tutorial Talk, APNOMS, Sep. 2012.
  9. 大下裕一, 村田正幸 "[招待講演] データセンターネットワークの研究動向," 電子情報通信学会技術研究報告(IN2012-28), pp. 25-30, Jun 2012. [IEICE] [CiNii]
  10. 大下裕一, 宮村崇, 荒川伸一, 阿多信吾, 大木英司, 塩本公平, 村田正幸 "[奨励講演] 段階的 VNT 再構成時におけるトラヒック推定精度向上のための検討," 電子情報通信学会技術研究報告(PN2006-90), pp. 37-40, Mar 2007. [IEICE] [CiNii]

口頭発表等

  1. 河島滉太, 大下裕一, 村田正幸, "予測型トラヒックエンジニアリングのためのソーシャルメディアデータからトラヒック変動に関する情報の抽出," 電子情報通信学会技術研究報告(IN2016-98), pp. 7-12, Mar. 2017.
  2. 佐竹幸大, 大歳達也, 大下裕一, 村田正幸, "予測分布を用いたネットワーク制御におけるトラヒックの観測スケジューリング手法," 電子情報通信学会技術研究報告(IN2016-100), pp. 19-24, Mar. 2017.
  3. 大歳達也, 大下裕一, 村田正幸, "ベイジアンアトラクターモデルを用いた動的な仮想ネットワークトポロジー構築," 電子情報通信学会技術研究報告(IN2016-129), pp. 193-198, Mar. 2017.
  4. 山西宏平, 芝原俊樹, 高田雄太, 千葉大紀, 秋山満昭, 八木毅, 大下裕一, 村田正幸, “畳み込みニューラルネットワークを用いたurl 系列に基づくドライブバイダウンロード攻撃検知,” コンピュータセキュリティシンポジウム2016 論文集, vol. 2016, no. 2, pp. 811-818, Oct. 2016.
  5. 秋下耀介, 大下裕一, 村田正幸, "パレート最適制御によるネットワーク省電力化手法," 電子情報通信学会技術研究報告(IN2016-35), pp. 73-78, Jul. 2016.
  6. 高橋洋介, 鈴木晃人, 石橋圭介, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "広域SDNテストベッドにおけるプロアクティブネットワーク制御技術の実証実験," 電子情報通信学会技術研究報告(IN2016-7), pp. 37-42, May. 2016.
  7. 高橋洋介, 鈴木晃人, 辻野雅之, 上山憲昭, 石橋圭介, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "フローマイニングを用いたプロアクティブネットワーク制御の広域SDNテストベッドにおける実証実験," 電子情報通信学会技術研究報告(IN2016-7), Apr. 2016.
  8. Ali Kashif Bashir, Yuichi Ohsita, Masayuki Murata, "Orchestration of SDN/NFV Enabled Network Service Chains Using Optoelectronic Routers," 電子情報通信学会総合大会, Mar. 2016.
  9. 大下裕一, 村田正幸, "パスネットワーク・パケットネットワークを併用した低消費電力データセンターチップ," 電子情報通信学会総合大会, Mar. 2016.
  10. Ali Kashif Bashir, Yuichi Ohsita, Masayuki Murata, "Orchestration of Network Service Chains for Network Function Virtualization Using Optoelectronic Routers," 電子情報通信学会技術研究報告(NS2015-210), pp. 243-248, Mar. 2016.
  11. 大下裕一, 村田正幸, "パスネットワーク・パケットネットワーク併用型データセンターチップの評価," 電子情報通信学会技術研究報告(IN2015-126), pp. 107-112, Mar. 2016.
  12. 河島滉太, 大歳達也, 大下裕一, 村田正幸, "分散型モデル予測制御にもとづくスケーラビリティを有する仮想ネットワーク埋め込み手法," 電子情報通信学会技術研究報告(IN2015-26), pp. 19-24, Jun. 2015.
  13. 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "フロー空間を考慮したマクロフロー生成手法," 電子情報通信学会総合大会, Mar. 2015.
  14. 辻喜宏, 大下裕一, 村田正幸, 山崎晃嗣, 宮崎昭彦, "圧縮センシングを用いた時空間階層化トラヒック観測手法," 電子情報通信学会技術研究報告(IN2014-162), pp. 243-248, Mar. 2015.
  15. 上山憲明, 高橋洋介, 石橋圭介, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "モデル予測制御を用いた配信サーバと経路の最適選択法 ," 電子情報通信学会技術研究報告(NS2014-237), pp. 349-354, Mar. 2015.
  16. Ali Kashif Bashir, Yuichi Ohsita, Masayuki Murata, "A Distributed Virtual Data Center Network Architecture for the Future Internet," 電子情報通信学会技術研究報告(IN2014-165), pp. 261-266, Mar. 2015.
  17. 大歳達也, 大下裕一, 村田正幸, 高橋洋介, 石橋圭介, 塩本公平, 橋本智明, "モデル予測制御を用いた階層型トラヒックエンジニアリング," 電子情報通信学会技術研究報告(IN2014-136), pp. 91-96, Mar. 2015.
  18. 池田崇栄, 大下裕一, 村田正幸, "パケットスイッチとパススイッチを組み合わせた低消費電力なネットワークオンチップ構成の提案と評価," 電子情報通信学会技術研究報告(IN2014-128), pp. 43-48, Mar. 2015.
  19. 大下裕一, 村田正幸, "光電子融合型パケットルータを用いたデータセンターネットワークの設計," 電子情報通信学会技術研究報告(IN2014-104), pp. 37-42, Jan. 2015.
  20. 大歳達也, 大下裕一, 村田正幸, 高橋洋介, 石橋圭介, 塩本公平, 橋本智昭, "確率的モデル予測制御に基づくトラヒックエンジニアリング," 電子情報通信学会技術研究報告(IN2014-81), pp. 1-6, Nov. 2014.
  21. 大下裕一, 大歳達也, 村田正幸, 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, "モデル予測制御にもとづく仮想ネットワーク間資源調停," 電子情報通信学会技術研究報告(IN2014-74), pp. 1-6, Oct. 2014.
  22. 上山憲昭, 高橋洋介, 石橋圭介, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "経路制御のためのフロー集約法," 電子情報通信学会技術研究報告(NS2014-44), pp. 29-34 Jun. 2014.
  23. 須恵匠, 大下裕一, 村田正幸, "群知能を用いたクラスタリング手法のトラヒック分類への適用と評価," 電子情報通信学会技術研究報告(IN2014-15), pp.37-42, May 2014.
  24. 樽谷優弥, 大下裕一, 村田正幸, "データセンターにおける省電力な仮想ネットワーク構築手法," 電子情報通信学会総合大会, Mar. 2014.
  25. 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "フローレベルトラヒックエンジニアリングのためのマクロフロー生成手法," 電子情報通信学会総合大会, Mar. 2014.
  26. 大歳達也, 大下裕一, 村田正幸, 高橋洋介, 上山憲昭, 石橋圭介, 塩本公平, 橋本智昭, "モデル予測制御にもとづくトラヒックエンジニアリングの実ネットワークにおけるトラヒックデータを用いた評価," 電子情報通信学会技術研究報告(IN2013-194), pp. 299-304, Mar. 2014.
  27. 樽谷優弥, 大下裕一, 村田正幸, "省電力性と耐故障性を両立するマルチテナント用仮想ネットワーク制御," 電子情報通信学会技術研究報告(IN2013-193), pp.293-298, Mar. 2014.
  28. 下間雄太, 大下裕一, 村田正幸, "データセンターにおける輻輳回避のためのルーティング用論理トポロジの構築手法," 電子情報通信学会技術研究報告(IN2013-180), pp.217-222 Mar. 2014.
  29. 西島孝通, 小泉佑揮, 大下裕一, 村田正幸, "光電子融合型パケットルーターを用いたデータセンターネットワーク向け低消費電力化制御の一検討," 電子情報通信学会技術研究報告(IN2013-179), pp.211-216, Mar. 2014.
  30. 辻喜宏, 大下裕一, 村田正幸, "任意の時間粒度・空間粒度の検索が可能となるフローデータの格納方法の提案," 電子情報通信学会技術研究報告(IN2013-176), pp. 193-198, Mar. 2014.
  31. 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, 大歳達也, 大下裕一, 村田正幸, "フローベースネットワーク制御のためのマクロフロー構成手法," 電子情報通信学会技術研究報告(IA2013-194), pp. 31-36 Feb. 2014.
  32. 大歳達也, 大下裕一, 村田正幸, 高橋洋介, 石橋圭介, 塩本公平, 橋本智昭, "トラヒック予測を考慮したトラヒックエンジニアリングの検討と評価," 電子情報通信学会技術研究報告(IN2013-78), pp. 7-12, Oct. 2013. [IEICE]
  33. 池田崇栄, 大下裕一, 村田正幸 "データセンターに適した3次元オンチップ型ネットワーク構造の検討と評価," 電子情報通信学会技術研究報告(IN2013-20), pp. 49-54, May 2013. [IEICE]
  34. 大下裕一, 村田正幸 "サーバーラックからの複数リンクを利用したデータセンター向け光パケットスイッチネットワーク," 電子情報通信学会技術研究報告(PN2012-82), pp. 25-30, Mar 2013. [IEICE]
  35. 大歳達也, 大下裕一, 村田正幸, 高橋洋介, 石橋圭介, 塩本公平, "トラヒックの時間変動を考慮した動的トラヒックエンジニアリングのためのトラヒック予測," 電子情報通信学会技術研究報告(NS2012-115), pp. 65-70, Nov. 2012. [IEICE] [CiNii]
  36. 吉成正泰, 大下裕一, 村田正幸 "少数のパスの再構成で予測困難な環境変動に適応可能な仮想ネットワーク構成に関する検討," 電子情報通信学会技術研究報告(PN2012-28), pp. 23-28, Nov. 2012. [IEICE] [CiNii]
  37. 高橋洋介, 石橋圭介, 塩本公平, 大下裕一, 村田正幸, "フロー間相関を活用したトラヒックエンジニアリングに関する一考察," 電子情報通信学会ソサイエティ大会, Sep. 2012.
  38. 下間雄太, 樽谷優弥, 大下裕一, 村田正幸 "経路制御を考慮したデータセンターネットワーク構成の評価," 電子情報通信学会技術研究報告(IN2012-31), pp. 43-48, Jun 2012. [IEICE] [CiNii]
  39. 宮村崇, 小泉佑揮, 大下裕一, 荒川伸一, 鎌村星平, 塩本公平, 平松淳, 村田正幸, "管理型自己組織化のための動的リソース制御の性能評価," 電子情報通信学会総合大会, Mar. 2012. [CiNii]
  40. Yuya Tarutani, Yuichi Ohsita, and Masayuki Murata "A Virtual Network to Achieve Low Energy Consumption in Large-scale Datacenter," 電子情報通信学会技術研究報告(PN2011-98), pp. 91-96, Mar. 2012.[IEICE] [CiNii]
  41. Yuichi Ohsita, and Masayuki Murata "Network Topologies using Optical Packet Switches for Data Centers," 電子情報通信学会技術研究報告(PN2011-96), pp. 79-84, Mar. 2012. [IEICE] [CiNii]
  42. 宮村崇, 大下裕一, 大木英司, 荒川伸一, 鎌村星平, 塩本公平, 平松 淳, 村田正幸 "動的リソース制御による管理型自己組織化ネットワークの検討," 電子情報通信学会ソサイエティ大会, Sep. 2011. [CiNii]
  43. 宮村崇, 大下裕一, 鎌村星平, 荒川伸一, 塩本公平, 村田正幸 "管理型自己組織化のための動的リソース制御技術の検討 ," 電子情報通信学会技術研究報告(ICM2011-7), pp. 59-64, May 2011. [IEICE] [CiNii]
  44. 大下裕一, 宮村崇, 荒川伸一, 塩本公平, 村田正幸 "大規模ネットワークのための階層型トラヒックエンジニアリング," 電子情報通信学会技術研究報告(PN2010-59), pp. 25-28, Feb 2011. [IEICE] [CiNii]
  45. Yuya Tarutani, Yuichi Ohsita, Shin'ichi Arakawa, and Masayuki Murata, "Estimation of Traffic Amounts on All Links by Using the Information From a Subset of Nodes," 電子情報通信学会技術研究報告(PN2010-11), pp. 19-24, Nov. 2010. [IEICE] [CiNii]
  46. 宮村崇, 大下裕一, 南勇貴, 小泉佑揮, 荒川伸一, 塩本公平, 村田正幸 "アトラクター選択による動的トポロジ最適制御の実証実験," 電子情報通信学会総合大会, Mar. 2010. [CiNii]
  47. 大下裕一, 南勇貴, 宮村崇, 荒川伸一, 塩本公平, 村田正幸 "アトラクタ選択による動的トポロジ制御サーバの実装と評価," 電子情報通信学会技術研究報告(PN2009-106), pp. 107-112, Mar 2010. [IEICE] [CiNii]
  48. Takashi Miyamura, Yuichi Ohsita, Eiji Oki, Shin’ichi Arakawa, Yuki Koizumi, Akeo Masuda, Kohei Shiomoto, and Masayuki Murata "Design and Architecture of Server Platform for Network Virtualization and Adaptive Network Control," in Proceedings of IEICE General Conference, Mar. 2009. [CiNii]
  49. 大下裕一, 小泉佑揮, 宮村崇, 荒川伸一, 増田暁生, 塩本公平, 村田正幸 "ネットワーク仮想化による複数サービスの資源最適化のための動的トポロジ制御サーバの設計," 電子情報通信学会技術研究報告(PN2008-100), pp. 93-98, Mar 2009. [IEICE] [CiNii]
  50. 大下裕一, 宮村崇, 荒川伸一, 塩本公平, 村田正幸 "トラヒックマトリクスの取りうる範囲を考慮したマルチレイヤトラヒックエンジニアリング," 電子情報通信学会技術研究報告(PN2008-60), pp. 101-106, Jan 2009. [IEICE] [CiNii]
  51. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Eiji Oki, Kohei Shiomoto, and Masayuki Murata "Estimating Current Traffic Matrices Accurately by Using Long-term Variations Information," 電子情報通信学会技術研究報告(PN2008-15), pp. 7-12, Aug 2008. [IEICE] [CiNii]
  52. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, and Masayuki Murata "Gradually Reconfiguring Virtual Network Topologies based on Estimated Traffic Matrices," 電子情報通信学会技術研究報告(PN2006-38), pp. 67-72, Oct 2006. [IEICE] [CiNii]
  53. Yuichi Ohsita, Takashi Miyamura, Shin'ichi Arakawa, Shingo Ata, Eiji Oki, Kohei Shiomoto, Shigeo Urushidani and Masayuki Murata "Impact of traffic estimation on IP and optical multilayer TE", 電子情報通信学会技術研究報告(PN2006-11), pp. 7-12, Aug 2006. [IEICE] [CiNii]
  54. 大下裕一, 阿多信吾, 村田正幸, "トラヒックマトリクス推定を用いた攻撃元特定手法," 電子情報通信学会技術研究報告(NS2005-86, IN2005-86, CS2005-32), Sep. 2005. [IEICE] [CiNii]
  55. 大下裕一, 阿多信吾, 村田正幸, "攻撃元特定のためのトラヒックマトリクス推定手法," 電子情報通信学会ソサイエティ大会, Sep. 2005. [CiNii]
  56. 大下裕一, 阿多信吾, 村田正幸, "分散SYN Flood攻撃防御のための構築可能なオーバーレイネットワーク," 電子情報通信学会技術研究報告(IN2004-125), pp. 13-18, Dec 2004. [IEICE] [CiNii]
  57. 大下裕一, 阿多信吾, 村田正幸, "観測トラヒックの統計的性質を利用したDDoS attack の検出方法," 電子情報通信学会技術研究報告(IN2003-201), pp. 23-28, Feb 2004. [CiNii]

特許

  1. 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, 大下裕一, 村田正幸, "フロー集約装置及び方法及びプログラム" 特許第5747393号
  2. 高橋洋介, 石橋圭介, 上山憲昭, 塩本公平, 大下裕一, 村田正幸, "経路計算装置及び方法及びプログラム" 特許第5742981号

学位論文

  1. Yuichi Ohsita, "Measurement, Analysis and Control to Changes of Network Traffic," Ph.D. thesis, Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, July 2008. [PDF]
  2. Yuichi Ohsita, "Detection and defense method against distributed SYN flood attacks," Master's thesis, Department of Information Networking, Graduate School of Information Science and Technology, Osaka University, Feb 2005. [PDF]