Title :
DDX [Japanese digital switching network]
Author :
Kato, Masao ; Takatsuki, Toshiharu ; Yoshida, Yutaka
Author_Institution :
NTT, Switching Systems Development Division, Japan
fDate :
3/1/1981 12:00:00 AM
Abstract :
To meet Japan´s diverse data communication needs, Nippon Telegraph & Telephone Public Corporation (NTT) has been researching and developing the digital switching network, DDX. The circuit-switching network was put into commercial service in Tokyo, Osaka, Nagoya, and Yokohoma on 25 December 1979.
Keywords :
Circuit switching; Circuit switching; Data processing; Japan; Telecommunication network management;
Journal_Title :
Communications Magazine, IEEE
DOI :
10.1109/MCOM.1981.1090471
