Patent ID: 6012151
Filing Date: 2000-01-04
Classification: G06F,H04L,H04Q

Abstract:
An information processing apparatus comprising:at least one input and output device having a plurality of input and output ports; anda plurality of processors, connected to at least one of said plurality of said input and output ports via a bus, for processing requests for processes requiring a use of said input and output ports in a distributed manner,said at least one input and output device comprising:input and output port status management means for maintaining an input and output port status table listing a status of each of said plurality of input and output ports;processor status management means for maintaining a processor status table listing a status of each of said plurality of processors; andcorrespondence table management means for managing correspondence between said plurality of input and output ports and pairs of active and standby processors, using a correspondence table andeach of said plurality of processors comprising:processor-specific input and output port status management means for maintaining a processor-specific input and output port status management table listing the status of each of said plurality of input and output ports to which a processor is assigned.