Characteristics of ABR Explicit Rate Control Algorithms in WAN Environment. - Ryoichi Kawahara; Arata Koike; Mika Ishizuka; Masahito Koshiishi; Masatoshi Kawarasaki (ICC (3), 1997)

Characteristics of ABR explicit rate control algorithms in WAN environments and an ABR control algorithm suitable for public networks. - Ryoichi Kawahara; Hiroshi Saito; Masatoshi Kawarasaki (Int. J. Commun. Syst., 1998)

Traffic measurement and analysis in an ATM-based internet backbone. - Ryoichi Kawahara; Keisuke Ishibashi; Toshiyuki Hirano; Hiroshi Saito; Hisaki Ohara; Daisuke Satoh; Shoichiro Asano; Jun Matsukata (Comput. Commun., 2001)

Evaluation of congestion control of the PDC mobile packet data communication system. - Keiko Yoshihara; Toshihiro Suzuki; Akira Miura; Ryoichi Kawahara (GLOBECOM, 2002)

Dynamically weighted queueing for fair bandwidth allocation and its performance analysis. - Ryoichi Kawahara; Naohisa Komatsu (ICC, 2002)

Analysis of Non-Gaussian Nature of Network Traffic - Tatsuya Mori; Ryoichi Kawahara; Shozo Naito (CoRR, 2002)

Analysis of Non-Gaussian Nature of Network Traffic and its Implication on Network Performance - Tatsuya Mori; Ryoichi Kawahara; Shozo Naito (CoRR, 2002)

A method of IP traffic management using TCP flow statistics. - Ryoichi Kawahara; Keisuke Ishibashi; Takuya Asaka; Katsunori Ori (GLOBECOM, 2003)

Detection of TCP performance degradation using link utilization statistics. - Keisuke Ishibashi; Ryoichi Kawahara; Aida Takuya; Asaka Masaki (GLOBECOM, 2004)

A method of bandwidth dimensioning and management using flow statistics [IP networks]. - Ryoichi Kawahara; Keisuke Ishibashi; Takuya Asaka; Shuichi Sumita; Takeo Abe (GLOBECOM, 2004)

Identifying elephant flows through periodically sampled packets. - Tatsuya Mori; Masato Uchida; Ryoichi Kawahara; Jianping Pan 001; Shigeki Goto (Internet Measurement Conference, 2004)

On the Characteristics of Internet Traffic Variability: Spikes and Elephants. - Tatsuya Mori; Ryoichi Kawahara; Shozo Naito; Shigeki Goto (IEICE Trans. Inf. Syst., 2004)

A Method of Bandwidth Dimensioning and Management Using Flow Statistics. - Ryoichi Kawahara; Keisuke Ishibashi; Takuya Asaka; Shuichi Sumita; Takeo Abe (IEICE Trans. Commun., 2005)

Method of Bandwidth Dimensioning and Management for Aggregated TCP Flows with Heterogeneous Access Links. - Ryoichi Kawahara; Keisuke Ishibashi; Tatsuya Mori; Toshihisa Ozawa; Takeo Abe (IEICE Trans. Commun., 2005)

Estimating Flow Rate from Sampled Packet Streams for Detection of Performance Degradation at TCP Flow Level. - Ryoichi Kawahara; Tatsuya Mori; Keisuke Ishibashi; Noriaki Kamiyama; Takeo Abe (GLOBECOM, 2006)

QoS control to handle long-duration large flows and its performance evaluation. - Ryoichi Kawahara; Tatsuya Mori; Takeo Abe (ICC, 2006)

Estimating Top N Hosts in Cardinality Using Small Memory Resources. - Keisuke Ishibashi; Tatsuya Mori; Ryoichi Kawahara; Yutaka Hirokawa; Atsushi Kobayashi; Kimihiro Yamamoto; Hitoaki Sakamoto (ICDE Workshops, 2006)

Performance Evaluation of QoS-Aware Routing in Overlay Network. - Masato Uchida; Satoshi Kamei; Ryoichi Kawahara (ICOIN, 2006)

Detection of TCP Performance Degradation Using Link Utilization Statistics. - Keisuke Ishibashi; Ryoichi Kawahara; Takuya Asaka; Masaki Aida; Satoshi Ono; Shoichiro Asano (IEICE Trans. Commun., 2006)

QoS-Aware Overlay Routing with Limited Number of Alternative Route Candidates and Its Evaluation. - Masato Uchida; Satoshi Kamei; Ryoichi Kawahara; Takeo Abe (IEICE Trans. Commun., 2006)

Detection Accuracy of Network Anomalies Using Sampled Flow Statistics. - Ryoichi Kawahara; Keisuke Ishibashi; Tatsuya Mori; Noriaki Kamiyama; Shigeaki Harada; Shoichiro Asano (GLOBECOM, 2007)

Efficient Timeout Checking Mechanism for Traffic Control. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Eng Keong Lua (ICCCN, 2007)

Simple and Adaptive Identification of Superspreaders by Flow Sampling. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara (INFOCOM, 2007)

2-D Bitmap for Summarizing Inter-Host Communication Patterns. - Keisuke Ishibashi; Tatsuya Mori; Ryoichi Kawahara; Katsuyasu Toyama; Shunichi Osawa; Shoichiro Asano (SAINT Workshops, 2007)

A Study on Detecting Network Anomalies Using Sampled Flow Statistics. - Ryoichi Kawahara; Tatsuya Mori; Noriaki Kamiyama; Shigeaki Harada; Shoichiro Asano (SAINT Workshops, 2007)

Inferring Original Traffic Pattern from Sampled Flow Statistics. - Tatsuya Mori; Ryoichi Kawahara; Noriaki Kamiyama; Shigeaki Harada (SAINT Workshops, 2007)

Identifying Heavy-Hitter Flows from Sampled Flow Statistics. - Tatsuya Mori; Tetsuya Takine; Jianping Pan 001; Ryoichi Kawahara; Masato Uchida; Shigeki Goto (IEICE Trans. Commun., 2007)

Detection of Leaps/sLumps in Traffic Volume of Internet Backbone. - Yutaka Hirokawa; Kimihiro Yamamoto; Shigeaki Harada; Ryoichi Kawahara (APNOMS, 2008)

A Method of Detecting Network Anomalies in Cyclic Traffic. - Shigeaki Harada; Ryoichi Kawahara; Tatsuya Mori; Noriaki Kamiyama; Haruhisa Hasegawa; Hideaki Yoshino (GLOBECOM, 2008)

Identifying Anomalous Traffic Sources Using Flow Statistics. - Ryoichi Kawahara; Noriaki Kamiyama; Shigeaki Harada; Haruhisa Hasegawa; Shoichiro Asano (GLOBECOM, 2008)

Optimum Identification of Worm-Infected Hosts. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Shigeaki Harada (IPOM, 2008)

Extracting Worm-Infected Hosts Using White List. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Shigeaki Harada; Hideaki Yoshino (SAINT, 2008)

Finding Cardinality Heavy-Hitters in Massive Traffic Data and Its Application to Anomaly Detection. - Keisuke Ishibashi; Tatsuya Mori; Ryoichi Kawahara; Yutaka Hirokawa; Atsushi Kobayashi; Kimihiro Yamamoto; Hitoaki Sakamoto; Shoichiro Asano (IEICE Trans. Commun., 2008)

Packet Sampling TCP Flow Rate Estimation and Performance Degradation Detection Method. - Ryoichi Kawahara; Tatsuya Mori; Keisuke Ishibashi; Noriaki Kamiyama; Hideaki Yoshino (IEICE Trans. Commun., 2008)

Inconsistency of logical and physical topologies for overlay networks and its effect on file transfer delay. - Yasuo Tamura; Shoji Kasahara; Yutaka Takahashi 001; Satoshi Kamei; Ryoichi Kawahara (Perform. Evaluation, 2008)

A Method of Constructing QoS Overlay Network and Its Evaluation. - Ryoichi Kawahara; Satoshi Kamei; Noriaki Kamiyama; Haruhisa Hasegawa; Hideaki Yoshino; Eng Keong Lua; Akihiro Nakao (GLOBECOM, 2009)

Improving Deployability of Peer-Assisted CDN Platform with Incentive. - Tatsuya Mori; Noriaki Kamiyama; Shigeaki Harada; Haruhisa Hasegawa; Ryoichi Kawahara (GLOBECOM, 2009)

Adaptive Bandwidth Control to Handle Long-Duration Large Flows. - Ryoichi Kawahara; Tatsuya Mori; Noriaki Kamiyama; Shigeaki Harada; Haruhisa Hasegawa (ICC, 2009)

On the Quality of Triangle Inequality Violation Aware Routing Overlay Architecture. - Ryoichi Kawahara; Eng Keong Lua; Masato Uchida; Satoshi Kamei; Hideaki Yoshino (INFOCOM, 2009)

Optimally Designing Capacity and Location of Caches to Reduce P2P Traffic. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Shigeaki Harada; Haruhisa Hasegawa (ICC, 2010)

Profit Allocation in Coalitional VoD Service. - Noriaki Kamiyama; Ryoichi Kawahara; Haruhisa Hasegawa (MASCOTS, 2010)

Impact of topology on parallel video streaming. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Shigeaki Harada; Haruhisa Hasegawa (NOMS, 2010)

Characterizing Traffic Flows Originating from Large-Scale Video Sharing Services. - Tatsuya Mori; Ryoichi Kawahara; Haruhisa Hasegawa; Shinsuke Shimogawa (TMA, 2010)

Performance evaluation of peer-assisted content distribution. - Ryoichi Kawahara; Noriaki Kamiyama; Tatsuya Mori; Haruhisa Hasegawa (CCNC, 2011)

Traffic Engineering Using Overlay Network. - Ryoichi Kawahara; Shigeaki Harada; Noriaki Kamiyama; Tatsuya Mori; Haruhisa Hasegawa; Akihiro Nakao (ICC, 2011)

Limiting pre-distribution and clustering users on multicast pre-distribution VoD. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Haruhisa Hasegawa (Integrated Network Management, 2011)

Optimally designing caches to reduce P2P traffic. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Shigeaki Harada; Haruhisa Hasegawa (Comput. Commun., 2011)

Parallel video streaming optimizing network throughput. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Shigeaki Harada; Haruhisa Hasegawa (Comput. Commun., 2011)

Detection accuracy of network anomalies using sampled flow statistics. - Ryoichi Kawahara; Keisuke Ishibashi; Tatsuya Mori; Noriaki Kamiyama; Shigeaki Harada; Haruhisa Hasegawa; Shoichiro Asano (Int. J. Netw. Manag., 2011)

Autonomic load balancing for flow monitoring. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara (ICC, 2012)

Effects of Sampling and Spatio/Temporal Granularity in Traffic Monitoring on Anomaly Detectability. - Keisuke Ishibashi; Ryoichi Kawahara; Tatsuya Mori; Tsuyoshi Kondoh; Shoichiro Asano (IEICE Trans. Commun., 2012)

Analyzing and Reducing the Impact of Traffic on Large-Scale NAT. - Ryoichi Kawahara; Tatsuya Mori; Takeshi Yada; Noriaki Kamiyama (IEICE Trans. Commun., 2012)

Traffic Engineering of Peer-Assisted Content Delivery Network with Content-Oriented Incentive Mechanism. - Naoya Maki; Takayuki Nishio; Ryoichi Shinkuma; Tatsuya Mori; Noriaki Kamiyama; Ryoichi Kawahara; Tatsuro Takahashi (IEICE Trans. Inf. Syst., 2012)

Expected traffic reduction by content-oriented incentive in peer-assisted content delivery networks. - Naoya Maki; Takayuki Nishio; Ryoichi Shinkuma; Tatsuro Takahashi; Tatsuya Mori; Noriaki Kamiyama; Ryoichi Kawahara (ICOIN, 2013)

Analysis of content charge by ISPs. - Noriaki Kamiyama; Ryoichi Kawahara (IM, 2013)

A periodic combined-content distribution mechanism in peer-assisted content delivery networks. - Naoya Maki; Ryoichi Shinkuma; Tatsuya Mori; Noriaki Kamiyama; Ryoichi Kawahara (Kaleidoscope, 2013)

Optimum profit allocation in coalitional VoD service. - Noriaki Kamiyama; Ryoichi Kawahara; Haruhisa Hasegawa (Comput. Networks, 2013)

Autonomic load balancing of flow monitors. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara (Comput. Networks, 2013)

Mean-variance relationship of the number of flows in traffic aggregation and its application to traffic management. - Ryoichi Kawahara; Tetsuya Takine; Tatsuya Mori; Noriaki Kamiyama; Keisuke Ishibashi (Comput. Networks, 2013)

Analyzing Characteristics of TCP Quality Metrics with Respect to Type of Connection through Measured Traffic Data. - Yasuhiro Ikeda; Ryoichi Kawahara; Noriaki Kamiyama; Tatsuaki Kimura; Tatsuya Mori (IEICE Trans. Commun., 2013)

Effect of Limiting Pre-Distribution and Clustering Users on Multicast Pre-Distribution VoD. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Haruhisa Hasegawa (IEICE Trans. Commun., 2013)

Multicast Pre-Distribution VoD System. - Noriaki Kamiyama; Ryoichi Kawahara; Tatsuya Mori; Haruhisa Hasegawa (IEICE Trans. Commun., 2013)

Optimally Designing ISP-Operated CDN. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Haruhisa Hasegawa (IEICE Trans. Commun., 2013)

Optimally Identifying Worm-Infected Hosts. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Shigeaki Harada (IEICE Trans. Commun., 2013)

Analyzing influence of network topology on designing ISP-operated CDN. - Noriaki Kamiyama; Tatsuya Mori; Ryoichi Kawahara; Shigeaki Harada; Haruhisa Hasegawa (Telecommun. Syst., 2013)

Mobile QoS tomography using compressed sensing. - Ryoichi Kawahara; Yoshihide Tonomura (ITC, 2014)

Cell Planning with Macroscopic Diversity: Optimal Cell Deployment and SINR Evaluation under Frequency Scheduling. - Yasuhiro Ikeda; Hiroshi Saito; Ryoichi Kawahara (VTC Spring, 2014)

Theoretical Evaluation of Offloading through Wireless LANs. - Hiroshi Saito; Ryoichi Kawahara (CoRR, 2014)

An Online Framework for Flow Round Trip Time Measurement. - Xinjie Guan; Xili Wan; Ryoichi Kawahara; Hiroshi Saito (IEICE Trans. Commun., 2014)

Homology-based metaheuristics for cell planning with macroscopic diversity using sector antennas. - Yasuhiro Ikeda; Ryoichi Kawahara; Hiroshi Saito (ICC, 2015)

Modeling Urban ITS Communication via Stochastic Geometry Approach. - Tatsuaki Kimura; Hiroshi Saito; Hirotada Honda; Ryoichi Kawahara (VTC Fall, 2016)

Disaster avoidance control against heavy rainfall. - Hiroshi Saito; Hirotada Honda; Ryoichi Kawahara (INFOCOM, 2017)

Name Resolution Based on Set of Attribute-Value Pairs of Real-World Information. - Ryoichi Kawahara; Hiroshi Saito (IEICE Trans. Commun., 2017)

Geometrical Characterization of Offloading through Wireless LANs. - Hiroshi Saito; Ryoichi Kawahara (IEEE Trans. Mob. Comput., 2017)

System design for predictive road-traffic information delivery using edge-cloud computing. - Ryoichi Shinkuma; Shingo Kato; Masahiro Kanbayashi; Yasuhiro Ikeda; Ryoichi Kawahara; Takanori Hayashi (CCNC, 2018)

Root-Cause Diagnosis Using Logs Generated by User Actions. - Hiroki Ikeuchi; Akio Watanabe; Takehiro Kawata; Ryoichi Kawahara (GLOBECOM, 2018)

Root-Cause Diagnosis for Rare Failures Using Bayesian Network with Dynamic Modification. - Yoichi Matsuo; Yuusuke Nakano; Akio Watanabe; Keishiro Watanabe; Keisuke Ishibashi; Ryoichi Kawahara (ICC, 2018)

Network Tomography Using Routing Probability for Virtualized Network. - Rie Tagyo; Daisuke Ikegami; Ryoichi Kawahara (ICC, 2018)

Anomaly Detection and Interpretation using Multimodal Autoencoder and Sparse Optimization. - Yasuhiro Ikeda; Keisuke Ishibashi; Yuusuke Nakano; Keishiro Watanabe; Ryoichi Kawahara (CoRR, 2018)

Workflow Extraction for Service Operation Using Multiple Unstructured Trouble Tickets. - Akio Watanabe; Keisuke Ishibashi; Tsuyoshi Toyono; Keishiro Watanabe; Tatsuaki Kimura; Yoichi Matsuo; Kohei Shiomoto; Ryoichi Kawahara (IEICE Trans. Inf. Syst., 2018)

Inferring Latent Traffic Demand Offered to an Overloaded Link with Modeling QoS-Degradation Effect. - Keisuke Ishibashi; Shigeaki Harada; Ryoichi Kawahara (IEICE Trans. Commun., 2019)

Modeling Upper Layer Reaction to QoS Degradation as a Congestion Avoidance Mechanism. - Shigeaki Harada; Keisuke Ishibashi; Ryoichi Kawahara (IEICE Trans. Commun., 2020)

Extendable NFV-Integrated Control Method Using Reinforcement Learning. - Akito Suzuki; Ryoichi Kawahara; Masahiro Kobayashi; Shigeaki Harada; Yousuke Takahashi; Keisuke Ishibashi (IEICE Trans. Commun., 2020)

Cooperative Multi-Agent Deep Reinforcement Learning for Dynamic Virtual Network Allocation. - Akito Suzuki; Ryoichi Kawahara; Shigeaki Harada (ICCCN, 2021)

Network Tomography Using Routing Probability for Undeterministic Routing. - Rie Tagyo; Daisuke Ikegami; Ryoichi Kawahara (IEICE Trans. Commun., 2021)

Network Tomography for Information-Centric Networking. - Ryoichi Kawahara; Takuya Yano; Rie Tagyo; Daisuke Ikegami (IEICE Trans. Commun., 2022)

Cooperative Multi-Agent Deep Reinforcement Learning for Dynamic Virtual Network Allocation With Traffic Fluctuations. - Akito Suzuki; Ryoichi Kawahara; Shigeaki Harada (IEEE Trans. Netw. Serv. Manag., 2022)

Virtual Network Control for Power Bills Reduction and Network Stability. - Ryota Nakamura; Ryoichi Kawahara; Takefumi Wakayama; Shigeaki Harada (IEEE Trans. Netw. Serv. Manag., 2022)

Data Transfer for Balancing Model Convergence and Training Time in Federated Learning. - Kengo Tajiri; Ryoichi Kawahara (GLOBECOM, 2023)

Optimizing Data Distribution for Federated Learning Under Bandwidth Constraint. - Kengo Tajiri; Ryoichi Kawahara (ICC, 2023)

Optimizing Edge-Cloud Cooperation for Machine Learning Accuracy Considering Transmission Latency and Bandwidth Congestion. - Kengo Tajiri; Ryoichi Kawahara; Yoichi Matsuo (IEICE Trans. Commun., 2023)

Optimizing IoT Data Collection for Federated Learning Under Constraint of Wireless Bandwidth. - Kengo Tajiri; Ryoichi Kawahara (ICC, 2024)

Optimization of Data and Model Transfer for Federated Learning to Manage Large-Scale Network. - Kengo Tajiri; Ryoichi Kawahara (IEEE Trans. Netw. Serv. Manag., 2025)