Open 6to4 Relay Router Operation. - Yuichiro Hei; Ayumu Kubota; Takao Hotta; Katsuyuki Yamazaki (SAINT Workshops, 2003)

Traffic Analysis and Worldwide Operation of Open 6to4 Relays for IPv6 Deployment. - Yuichiro Hei; Katsuyuki Yamazaki (SAINT, 2004)

A Proposal of Configuring IPv6 End-to-End Secure Channels for Closed Members. - Yuichiro Hei; Katsuyuki Yamazaki (SAINT Workshops, 2005)

An Implementation and Evaluation of IPv6 End-to-End Secure Communication System for Closed Members. - Yuichiro Hei; Satoshi Katsuno; Shigehiro Ano (SAINT Workshops, 2006)

Empirical Study on Inferring BGP Routing Instability and its Location Based on Single Point Observation. - Tomohiko Ogishi; Yuichiro Hei; Shigehiro Ano; Toru Hasegawa (ICC, 2007)

OSPF Failure Identification based on LSA Flooding Analysis. - Yuichiro Hei; Tomohiko Ogishi; Shigehiro Ano; Toru Hasegawa (Integrated Network Management, 2007)

AS alliance: cooperatively improving resilience of intra-alliance communication. - Yuichiro Hei; Akihiro Nakao; Toru Hasegawa; Tomohiko Ogishi; Shu Yamamoto (CoNEXT, 2008)

Improving the Sustainability of Autonomous Systems. - Masafumi Watari; Yuichiro Hei; Shigehiro Ano; Katsuyuki Yamazaki (ICN, 2008)

IP Performance Management Infrastructure for ISP. - Atsuo Tachibana; Yuichiro Hei; Tomohiko Ogishi; Shigehiro Ano (Networking, 2008)

Efficient method of collecting routing tables based on OSPF/iBGP monitoring. - Yuichiro Hei; Tomohiko Ogishi; Shigehiro Ano (NOMS, 2008)

IP Network Failure Identification Based on the Detailed Analysis of OSPF LSA Flooding. - Yuichiro Hei; Tomohiko Ogishi; Shigehiro Ano; Toru Hasegawa (IEICE Trans. Commun., 2008)

OSPF-Based Fast Reroute for BGP Link Failures. - Masafumi Watari; Yuichiro Hei; Shigehiro Ano; Katsuyuki Yamazaki (GLOBECOM, 2009)

vDC: Virtual Data Center Powered with AS Alliance for Enabling Cost-Effective Business Continuity and Coverage. - Yuichiro Hei; Akihiro Nakao; Tomohiko Ogishi; Toru Hasegawa; Shu Yamamoto (INM/WREN, 2010)

AS Alliance for Resilient Communication over the Internet. - Yuichiro Hei; Akihiro Nakao; Tomohiko Ogishi; Toru Hasegawa; Shu Yamamoto (IEICE Trans. Commun., 2010)

Ip Performance Management System for ISPs. - Atsuo Tachibana; Yuichiro Hei; Tomohiko Ogishi; Shigehiro Ano (IEICE Trans. Commun., 2010)

ISP-friendly peer selection mechanism with ALTO-like server. - Megumi Shibuya; Yuichiro Hei; Tomohiko Ogishi (APNOMS, 2011)

Topology-aware clustering to achieve latency comparable to one-frame in multiplayer online games. - Yohei Aikawa; Yuichiro Hei; Tomohiko Ogishi; Sumaru Niida; Toru Hasegawa (ICC, 2013)

NetworkAPI: An In-Band Signalling Application-Aware Traffic Engineering Using SRv6 and IP Anycast. - Takuya Miyasaka; Yuichiro Hei; Takeshi Kitahara (IEICE Trans. Inf. Syst., 2021)

A Proposal of Congestion Avoidance Communication Method Using Explicit Congestion Notification in HTTP/3 Applications. - Yuichiro Hei; Ryota Ogami; Takeshi Kitahara (IEICE Trans. Commun., 2025)