Patent ID: 6631432
Filing Date: 2003-10-07
Classification: G06F

Abstract:
An information processing system comprising:an isochronous transfer serial bus capable of transmitting a plurality of types of packets discriminated by channels; and at least two information processing apparatuses each of which uses said isochronous transfer serial bus as a communication interface and can receive packets of channels assigned thereto, wherein either one of said information processing apparatuses has channel management means capable of modifying allocation of the channels in accordance with predetermined priority, wherein the channel management means comprises: search means for searching for an available channel in order to allocate the number of channels necessary for a first information processing apparatus of the information processing apparatuses; determination means for determining whether or not any of channels allocated to a second information processing apparatus can be assigned to the first information processing apparatus when no available channel is searched by the search means; and channel reallocation means for reassigning at least some of the channels to the first information processing apparatus, wherein the channels are determined to be assignable by the determination means.