Shigeki Morimoto

Multiprocessor bridge having storage for spanning tree operation mode information indicating whether each port of the bridge is operable under spanning tree protocol

Scalable cluster-type router device and configuring method thereof

Method for sharing network information and a router apparatus

Multiplex router device comprising a function for controlling a traffic occurrence at the time of alteration process of a plurality of router calculation units

Method, apparatus and system for distributing multicast data

System and method for using active and standby routers wherein both routers have the same ID even before a failure occurs

ROUTER DEVICE HAVING A REDUNDANT CONFIGURATION

Bus system wherein a bus-using request signal is issued in advance of a determination that a bus is to be used and is thereafter cancelled if the bus is not used

Device and system for multicast communication

Packet switching method and apparatus thereof