Yoshiro Osaki

Packet exchange network and method of controlling discard of packets in packet exchange network

Call restricting method in packet switching network and network controller having call restricting function

Exchange control system using a multiprocessor for setting a line in response to line setting data

Content delivery system and method, and server apparatus and receiving apparatus used in this content delivery system

Communication network system and loopback control method

IP BROADCAST SYSTEM, AND MULTIPLEXER, RECEIVING APPARATUS AND METHOD USED IN IP BROADCAST SYSTEM

Broadcast system, and its distribution device and terminal device

Telephone system, its log-in management method and server device

Broadcast transport stream distribution system, and broadcast transport stream distribution apparatus, user terminal device and distribution method for use in the system

FILE SHARING SYSTEM