Requirements and design of flexible NFV network infrastructure node leveraging SDN/OpenFlow. - Hitoshi Masutani; Yoshihiro Nakajima; Takeshi Kinoshita; Tomoya Hibi; Hirokazu Takahashi; Kazuaki Obana; Katsuhiro Shimano; Masaki Fukui (ONDM, 2014)

Per-flow entry verification for legacy SDN. - Sakiko Kawai; Tomoya Hibi; Yoshihiro Nakajima; Hirokazu Takahashi; Yukio Tsukishima; Hitoshi Masutani (APCC, 2016)

Multi-rooted Greedy Approximation of Directed Steiner Trees with Applications. - Tomoya Hibi; Toshihiro Fujito (Algorithmica, 2016)