About MIYAMURA T
About NTT Network Serv. Systems Lab., Musashino-shi, JPN
About HAYASHI R
About NTT Network Serv. Systems Lab., Musashino-shi, JPN
About MISAWA A
About NTT Network Serv. Systems Lab., Musashino-shi, JPN
About URUSHIDANI S
About NTT Network Serv. Systems Lab., Musashino-shi, JPN
About NTT Technical Review
About communication network
About コアネットワーク
About Computer networks
About Exchange and switching systems
About Optical communication systems and equipment
About 次世代
About コアネットワーク
About マルチレイヤ
About 連携