Takeshi USUI


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)

Bidirectional Wavelength-Division-Multiplexing Transmission System Using LEDs with the Same Wavelength
Shigetoki SUGIMOTO Takeshi USUI Atsufumi UEKI 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/10/25
Vol. E63-E  No. 10  pp. 770-771
Type of Manuscript:  LETTER
Category: Optical and Quantum Electronics
Keyword: 
 Summary | Full Text:PDF(173KB)

An Optical Data Bus with Optical Taps for In-Line Work Station Computer Systems
Takeshi USUI Atsufumi UEKI Ro ISHIKAWA Minoru SHIKADA Kouichi MINEMURA Kenichi HASHIMOTO 
Publication:   IEICE TRANSACTIONS (1976-1990)
Publication Date: 1980/05/25
Vol. E63-E  No. 5  pp. 355-356
Type of Manuscript:  LETTER
Category: Data Transmission
Keyword: 
 Summary | Full Text:PDF(183KB)