Tomohiko OGISHI


AS Alliance for Resilient Communication over the Internet
Yuichiro HEI Akihiro NAKAO Tomohiko OGISHI Toru HASEGAWA Shu YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/10/01
Vol. E93-B  No. 10  pp. 2706-2714
Type of Manuscript:  PAPER
Category: Internet
Keyword: 
AS allianceroutingBGPoverlaymultipath
 Summary | Full Text:PDF(618.4KB)

Ip Performance Management System for ISPs
Atsuo TACHIBANA Yuichiro HEI Tomohiko OGISHI Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/04/01
Vol. E93-B  No. 4  pp. 928-937
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
active measurementOSPF monitoringnetwork tomography
 Summary | Full Text:PDF(875.6KB)

Performance Evaluation of Peer-to-Peer Progressive Download in Broadband Access Networks
Megumi SHIBUYA Tomohiko OGISHI Shu YAMAMOTO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2010/03/01
Vol. E93-B  No. 3  pp. 600-608
Type of Manuscript:  PAPER
Category: Network
Keyword: 
P2Pstreamingprogressive downloadbroadbandcontent delivery system
 Summary | Full Text:PDF(1.6MB)

P2MP MPLS-Based Hierarchical Service Management System
Kenji KUMAKI Ikuo NAKAGAWA Kenichi NAGAMI Tomohiko OGISHI Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2009/04/01
Vol. E92-B  No. 4  pp. 1094-1103
Type of Manuscript:  Special Section PAPER (Special Section on Internet Technology and its Architecture for Ambient Information Systems)
Category: 
Keyword: 
P2MP TE LSPcorrelationmulticast VPN servicesMPLShierarchical service management system
 Summary | Full Text:PDF(2.1MB)

IP Network Failure Identification Based on the Detailed Analysis of OSPF LSA Flooding
Yuichiro HEI Tomohiko OGISHI Shigehiro ANO Toru HASEGAWA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2008/05/01
Vol. E91-B  No. 5  pp. 1320-1330
Type of Manuscript:  Special Section PAPER (Special Section on Communication Quality)
Category: Measurement Methodology for Network Quality Such as IP, TCP and Routing
Keyword: 
routingmonitorOSPFfailure identificationLSA
 Summary | Full Text:PDF(534KB)

A Hierarchical Service Management System for MPLS Network Services
Kenji KUMAKI Ikuo NAKAGAWA Kenichi NAGAMI Tomohiko OGISHI Shigehiro ANO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2764-2771
Type of Manuscript:  Special Section PAPER (Special Section on New Challenge for Internet Technology and its Architecture)
Category: 
Keyword: 
MPLSIP-VPNcorrelationhierarchical service management system
 Summary | Full Text:PDF(1.1MB)

Implementation and Evaluation of TCP Protocol Tester Generating Exceptional Test Sequences
Tomohiko OGISHI Toru HASEGAWA Toshihiko KATO 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2003/02/01
Vol. E86-B  No. 2  pp. 604-613
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology III)
Category: Traffic Monitoring and Evaluation
Keyword: 
TCPtest scenariocongestion controlselective acknowledgment
 Summary | Full Text:PDF(1.5MB)

Design and Implementation of Internet Performance Monitor with Realtime TCP Behavior Analysis
Tomohiko OGISHI Akira IDOUE Toru HASEGAWA Toshihiko KATO Kenji SUZUKI 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2001/08/01
Vol. E84-B  No. 8  pp. 2124-2133
Type of Manuscript:  Special Section PAPER (Special Issue on Internet Technology)
Category: Traffic Measurement and Analysis
Keyword: 
TCP/IPmonitorperformanceanalysisthroughput
 Summary | Full Text:PDF(2.8MB)