Kenji KAWAHARA


Energy Saving Scheme with an Extra Active Period for LAN Switches
Hitomi TAMURA Ritsuko TOMIHARA Yutaka FUKUDA Kenji KAWAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/12/01
Vol. E93-B  No. 12  pp. 3542-3554
Type of Manuscript:  PAPER
Category: Fundamental Theories for Communications
Keyword: 
power-savingLAN switchsleep controlqueueing analysisnumber of turn-on instances
 Summary | Full Text:PDF

Analysis of Two-Phase Path Management Scheme for MPLS Traffic Engineering
Hitomi TAMURA Kenji KAWAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/01/01
Vol. E92-B  No. 1  pp. 59-67
Type of Manuscript:  Special Section PAPER (Special Section on Networking Technologies for Dependable Networks)
Category: 
Keyword: 
traffic engineeringMPLSpath managementNM/M/c/c queueing systemflow-blocking probability
 Summary | Full Text:PDF

Performance Comparison of Task Allocation Schemes Depending upon Resource Availability in a Grid Computing Environment
Hiroshi YAMAMOTO Kenji KAWAHARA Tetsuya TAKINE Yuji OIE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2006/02/01
Vol. E89-D  No. 2  pp. 459-468
Type of Manuscript:  Special Section PAPER (Special Section on Parallel/Distributed Computing and Networking)
Category: Performance Evaluation
Keyword: 
grid computingdistributed resource managementtask allocation schemeM/G/1-PS queueuneven resource utilization
 Summary | Full Text:PDF

Performance Evaluation of Channel Switching Scheme for Packet Data Transmission in Radio Network Controller
Yoshiaki OHTA Kenji KAWAHARA Takeshi IKENAGA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/05/01
Vol. E87-B  No. 5  pp. 1141-1150
Type of Manuscript:  Special Section PAPER (Special Section on Mobile Multimedia Communications)
Category: Mobile Radio
Keyword: 
IMT-2000W-CDMARNCdedicated channelcommon channel
 Summary | Full Text:PDF

Performance Analysis of Flow Loss Probability and Link Utilization in MPLS Networks for Traffic Engineering
Hitomi TAMURA Kenji KAWAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2004/03/01
Vol. E87-B  No. 3  pp. 579-586
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology IV)
Category: MPLS
Keyword: 
traffic engineeringMPLSM/M/c/c queueing systemperformance analysis
 Summary | Full Text:PDF

Performance Analysis of Queue Length Distribution of Tandem Routers for QoS Measurement
Nobuo RYOKI Kenji KAWAHARA Takeshi IKENAGA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2  pp. 614-621
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology III)
Category: Traffic Monitoring and Evaluation
Keyword: 
QoS measurementdelay performancecorrelation
 Summary | Full Text:PDF

Performance Analysis of IP Datagram Transmission Delay in MPLS: Impact of Both Number and Bandwidth of LSPs of Layer 2
Shogo NAKAZAWA Hitomi TAMURA Kenji KAWAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2002/01/01
Vol. E85-B  No. 1  pp. 165-172
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology II -- Traffic Control and Performance Evaluation in the Internet)
Category: 
Keyword: 
MPLSlabel switching router (LSR)label switched pathcut-throughperformance analysis
 Summary | Full Text:PDF

Effectiveness and Issues of Rerouting Algorithms for QoS Networks
Takeshi IKENAGA Kenji KAWAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/06/01
Vol. E84-B  No. 6  pp. 1553-1560
Type of Manuscript:  Special Section PAPER (Special Issue on New Developments on QoS Technologies for Information Networks)
Category: 
Keyword: 
routingQoS guaranteereroutingperformance evaluation
 Summary | Full Text:PDF

Performance Analysis of Layer3 Switch: Case of Flow-Driven Connection Setup
Kenji KAWAHARA Shougo NAKAZAWA Tetsuya TAKINE Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2000/02/25
Vol. E83-B  No. 2  pp. 130-139
Type of Manuscript:  Special Section PAPER (IEICE/IEEE Joint Special Issue on Recent Progress in ATM Technologies)
Category: IP/ATM
Keyword: 
layer3 switchingATMflow-driven type3-state MMBP
 Summary | Full Text:PDF

ABR Congestion Control in ATM Networks and Proposal of EPRCAM
Manzoor HASHMANI Kenji KAWAHARA Hideki SUNAHARA Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1998/11/25
Vol. E81-B  No. 11  pp. 2064-2071
Type of Manuscript:  Special Section PAPER (Special Issue on Performance and Quality of Service (QoS) of Multimedia Networks)
Category: ATM Networks
Keyword: 
ATM switchingABR congestion controlABR traffic control
 Summary | Full Text:PDF

Performance Analysis of Internally Unbuffered Large Scale ATM Switch with Bursty Traffic
Yuji OIE Kenji KAWAHARA Masayuki MURATA Hideo MIYAHARA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 1996/03/25
Vol. E79-B  No. 3  pp. 412-423
Type of Manuscript:  PAPER
Category: Switching and Communication Processing
Keyword: 
large scale ATM switch architecturemulti-stage ATM switch architecturebufferless switching modulecell loss probabilitytransient analysisbursty traffic
 Summary | Full Text:PDF