Keisuke ISHIBASHI


Identifying DNS Anomalous User by Using Hierarchical Aggregate Entropy
Keisuke ISHIBASHI Kazumichi SATO 
Publication:   
Publication Date: 2017/01/01
Vol. E100-B  No. 1  pp. 140-147
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
DNSentropyheavy-hitter
 Summary | Full Text:PDF(952.8KB)

Effective Flow Aggregation for Traffic Engineering
Noriaki KAMIYAMA Yousuke TAKAHASHI Keisuke ISHIBASHI Kohei SHIOMOTO Tatsuya OTOSHI Yuichi OHSITA Masayuki MURATA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/10/01
Vol. E98-B  No. 10  pp. 2049-2059
Type of Manuscript:  PAPER
Category: Network
Keyword: 
traffic engineeringflowaggregation
 Summary | Full Text:PDF(1.8MB)

Traffic Engineering Based on Model Predictive Control
Tatsuya OTOSHI Yuichi OHSITA Masayuki MURATA Yousuke TAKAHASHI Noriaki KAMIYAMA Keisuke ISHIBASHI Kohei SHIOMOTO Tomoaki HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2015/06/01
Vol. E98-B  No. 6  pp. 996-1007
Type of Manuscript:  PAPER
Category: Network
Keyword: 
model predictive controltraffic engineeringtraffic predictionmulti-path routing
 Summary | Full Text:PDF(2.1MB)

Extending Black Domain Name List by Using Co-occurrence Relation between DNS Queries
Kazumichi SATO Keisuke ISHIBASHI Tsuyoshi TOYONO Haruhisa HASEGAWA Hideaki YOSHINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/03/01
Vol. E95-B  No. 3  pp. 794-802
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
 Summary | Full Text:PDF(741.2KB)

Effects of Sampling and Spatio/Temporal Granularity in Traffic Monitoring on Anomaly Detectability
Keisuke ISHIBASHI Ryoichi KAWAHARA Tatsuya MORI Tsuyoshi KONDOH Shoichiro ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2012/02/01
Vol. E95-B  No. 2  pp. 466-476
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
anomaly detectionsamplingspatio/temporal granularityhurst parameter
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Traffic Monitoring System Based on Correlation between BGP Messages and Traffic Data
Atsushi KOBAYASHI Shingo KASHIMA Hiroshi KURAKAMI Keisuke ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/09/01
Vol. E94-B  No. 9  pp. 2532-2542
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
BGPNetFlowsFlowtraffic shift
 Summary | Full Text:PDF(3.5MB)

FOREWORD
Keisuke ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/08/01
Vol. E94-B  No. 8  pp. 2189-2189
Type of Manuscript:  FOREWORD
Category: 
Keyword: 
 Summary | Full Text:PDF(93.6KB)

VoIP Quality Measurement System Using Flow Mediation for Large-Scale IP Networks
Atsushi KOBAYASHI Keisuke ISHIBASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/07/01
Vol. E94-B  No. 7  pp. 1973-1981
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
IPFIXPSAMPsFlowVoIPSIP
 Summary | Full Text:PDF(3.2MB)

Packet Sampling TCP Flow Rate Estimation and Performance Degradation Detection Method
Ryoichi KAWAHARA Tatsuya MORI Keisuke ISHIBASHI Noriaki KAMIYAMA Hideaki YOSHINO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1309-1319
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: Measurement Methodology for Network Quality Such as IP, TCP and Routing
Keyword: 
packet samplingTCP performanceflow measurement
 Summary | Full Text:PDF(1.9MB)

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 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1331-1339
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: Measurement Methodology for Network Quality Such as IP, TCP and Routing
Keyword: 
cardinalityanomaly detectiondata stream
 Summary | Full Text:PDF(1.5MB)

Detection of TCP Performance Degradation Using Link Utilization Statistics
Keisuke ISHIBASHI Ryoichi KAWAHARA Takuya ASAKA Masaki AIDA Satoshi ONO Shoichiro ASANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2006/01/01
Vol. E89-B  No. 1  pp. 47-56
Type of Manuscript:  PAPER
Category: Network
Keyword: 
TCPperformancelink utilizationmeasurement
 Summary | Full Text:PDF(616.5KB)

Method of Bandwidth Dimensioning and Management for Aggregated TCP Flows with Heterogeneous Access Links
Ryoichi KAWAHARA Keisuke ISHIBASHI Tatsuya MORI Toshihisa OZAWA Takeo ABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/12/01
Vol. E88-B  No. 12  pp. 4605-4615
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
TCP performanceprocessor-sharing modelheterogeneous access linksbandwidth dimensioning and management
 Summary | Full Text:PDF(1.3MB)

A Method of Bandwidth Dimensioning and Management Using Flow Statistics
Ryoichi KAWAHARA Keisuke ISHIBASHI Takuya ASAKA Shuichi SUMITA Takeo ABE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2005/02/01
Vol. E88-B  No. 2  pp. 643-653
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
TCP performancebandwidth dimensioning and managementnumber of active flows
 Summary | Full Text:PDF(888KB)

Structures of Human Relations and User-Dynamics Revealed by Traffic Data
Masaki AIDA Keisuke ISHIBASHI Hiroyoshi MIWA Chisa TAKANO Shin-ichi KURIBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/06/01
Vol. E87-D  No. 6  pp. 1454-1460
Type of Manuscript:  Special Section PAPER (Special Section on Human Communication I)
Category: 
Keyword: 
i-modetrafficscale-free networkhuman relationsZipf's law
 Summary | Full Text:PDF(342.3KB)

Capacity Dimensioning of VPN Access Links for Elastic Traffic in the Hose Model
Keisuke ISHIBASHI Mika ISHIZUKA Masaki AIDA Shin-ichi KURIBAYASHI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/01/01
Vol. E87-B  No. 1  pp. 132-141
Type of Manuscript:  PAPER
Category: Network
Keyword: 
VPNhose modelmax-min fair sharing
 Summary | Full Text:PDF(491.5KB)

A Method of IP Traffic Management Using the Relationship between TCP Flow Behavior and Link Utilization
Ryoichi KAWAHARA Keisuke ISHIBASHI Takuya ASAKA Katsunori ORI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/11/01
Vol. E86-B  No. 11  pp. 3244-3256
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
TCP performanceIPtraffic managementnumber of active flows
 Summary | Full Text:PDF(1.5MB)

Proposal and Evaluation of Method to Estimate Packet Loss-Rate Using Correlation of Packet Delay and Loss
Keisuke ISHIBASHI Masaki AIDA Shin-ichi KURIBAYASHI 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2003/11/01
Vol. E86-D  No. 11  pp. 2371-2379
Type of Manuscript:  Special Section PAPER (Special Issue on New Technologies in the Internet and their Applications)
Category: 
Keyword: 
packet loss ratetransmission delaychange of measureQoS
 Summary | Full Text:PDF(358.7KB)