Yoshinori KITATSUJI


An IMS Restoration System with Selective Storing of Session States
Takeshi USUI Yoshinori KITATSUJI Hidetoshi YOKOTA Kiyohide NAKAUCHI Yozo SHOJI Nozomu NISHINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2014/09/01
Vol. E97-B  No. 9  pp. 1853-1864
Type of Manuscript:  PAPER
Category: Network
Keyword: 
restoration systemIMSSIPnetwork operation
 Summary | Full Text:PDF(2.7MB)

A Session State Migration Architecture for Flexible Server Consolidation
Takeshi USUI Kiyohide NAKAUCHI Yozo SHOJI Yoshinori KITATSUJI Hidetoshi YOKOTA Nozomu NISHINAGA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2013/07/01
Vol. E96-B  No. 7  pp. 1727-1741
Type of Manuscript:  Special Section PAPER (Special Section on Internet Architectures, Protocols, and Management Methods that Enable Sustainable Development)
Category: 
Keyword: 
session state migrationserver consolidationnetwork operationserver and client application
 Summary | Full Text:PDF(15.6MB)

A Study on Locating Lossy Links of Signaling Messages in SIP-Based Services
Takeshi USUI Takeshi KUBO Yoshinori KITATSUJI Hidetoshi YOKOTA 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2011/01/01
Vol. E94-B  No. 1  pp. 118-127
Type of Manuscript:  PAPER
Category: Network Management/Operation
Keyword: 
SIPSIP messagenetwork monitoring,network operation
 Summary | Full Text:PDF(970.6KB)

Performance Monitoring of VoIP Flows for Large Network Operations
Yoshinori KITATSUJI Satoshi KATSUNO Katsuyuki YAMAZAKI Masato TSURU Yuji OIE 
Publication:   IEICE TRANSACTIONS on Communications
Publication Date: 2007/10/01
Vol. E90-B  No. 10  pp. 2746-2754
Type of Manuscript:  Special Section PAPER (Special Section on New Challenge for Internet Technology and its Architecture)
Category: 
Keyword: 
performance monitoringVoIPIP flowdelay variationand inter-packet gap
 Summary | Full Text:PDF(824.1KB)

Video Data Transmission Protocol "SVFTP" Using Multiple TCP Connections and Its Application
Shigeyuki SAKAZAWA Yasuhiro TAKISHIMA Yoshinori KITATSUJI Yasuyuki NAKAJIMA Masahiro WADA Kazuo HASHIMOTO 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2005/05/01
Vol. E88-D  No. 5  pp. 976-983
Type of Manuscript:  PAPER
Category: Networks
Keyword: 
video transmissionmultiple TCP transmissionprogressive download/play backIPv6
 Summary | Full Text:PDF(920.9KB)

Real-Time IP Flow Measurement Tool with Scalable Architecture
Yoshinori KITATSUJI Katsuyuki YAMAZAKI Masato TSURU Yuji OIE 
Publication:   IEICE TRANSACTIONS on Information and Systems
Publication Date: 2004/12/01
Vol. E87-D  No. 12  pp. 2665-2677
Type of Manuscript:  Special Section PAPER (Special Section on New Technologies and their Applications of the Internet)
Category: Traffic Measurement and Analysis
Keyword: 
IP flowpassive measurementmeasurement tool
 Summary | Full Text:PDF(1.4MB)