Defragmentation Using Reroutable Backup Paths in Toggled 1+1 Path Protected Elastic Optical Networks. - Takaaki Sawa; Fujun He; Takehiro Sato; Bijoy Chand Chatterjee; Eiji Oki (APCC, 2018)

Polynomial-time Algorithm for Distributed Server Allocation Problem. - Takaaki Sawa; Fujun He; Akio Kawabata; Eiji Oki (CloudNet, 2019)

Defragmentation Considering Link Congestion in Toggled 1+1 Path Protected Elastic Optical Networks. - Takaaki Sawa; Fujun He; Takehiro Sato; Bijoy Chand Chatterjee; Eiji Oki (OECC/PSC, 2019)

Performance of Hitless Defragmentation with Rerouting for Quasi 1+1 Protected Elastic Optical Networks. - Eiji Oki; Takaaki Sawa; Fujun He; Takehiro Sato; Bijoy Chand Chatterjee (ICTON, 2020)

Defragmentation with Reroutable Backup Paths in Toggled 1+1 Protection Elastic Optical Networks. - Takaaki Sawa; Fujun He; Takehiro Sato; Bijoy Chand Chatterjee; Eiji Oki (IEICE Trans. Commun., 2020)

Algorithms for Distributed Server Allocation Problem. - Takaaki Sawa; Fujun He; Akio Kawabata; Eiji Oki (IEICE Trans. Commun., 2020)