On Locating Loss Links of Signaling Messages in SIP-Based Services. - Takeshi Usui; Takeshi Kubo; Yoshinori Kitatsuji; Teruyuki Hasegawa; Hidetoshi Yokota (GLOBECOM, 2009)

Potential based routing for ICN. - Suyong Eum; Kiyohide Nakauchi; Takeshi Usui; Masayuki Murata 001; Nozomu Nishinaga (AINTEC, 2011)

A Study on Locating Lossy Links of Signaling Messages in SIP-Based Services. - Takeshi Usui; Takeshi Kubo; Yoshinori Kitatsuji; Hidetoshi Yokota (IEICE Trans. Commun., 2011)

Design of Session State Migration Middleware for Disruption-Free Services. - Takeshi Usui; Kiyohide Nakauchi; Yozo Shoji; Nozomu Nishinaga; Yoshinori Kitatsuji; Hidetoshi Yokota (NGMAST, 2012)

A Session State Migration Architecture for Flexible Server Consolidation. - Takeshi Usui; Kiyohide Nakauchi; Yozo Shoji; Yoshinori Kitatsuji; Hidetoshi Yokota; Nozomu Nishinaga (IEICE Trans. Commun., 2013)

A study on traffic management cooperating with IMS in MPLS networks. - Takeshi Usui; Yoshinori Kitatsuji; Hidetoshi Yokota (Telecommun. Syst., 2013)

An IMS Restoration System with Selective Storing of Session States. - Takeshi Usui; Yoshinori Kitatsuji; Hidetoshi Yokota; Kiyohide Nakauchi; Yozo Shoji; Nozomu Nishinaga (IEICE Trans. Commun., 2014)