Patent ID: 6996112

Claim:
A serial bus bridge having at least two portals respectively connected to different serial buses, comprising: a detecting unit adapted to detect a bus reset of a serial bus to which the portal is connected; a storage unit adapted to store ID information designating a node on a network which comprises a plurality of serial buses, including serial buses to which said portals are connected, interconnected via the serial bus bridge; a receiving unit adapted to receive a control message including the ID information designating a node on the network, wherein said control message further includes a registration command or a deletion command, wherein said serial bus bridge stores the ID information in the control message into the storage unit if received control message includes the registration command, and deletes the ID information stored in the storage unit if the received control message includes the deletion command; and a transmitting unit adapted to transmit a notice message including a bus ID information, designating a serial bus in which the detecting unit detected a bus reset, to the node which is designated by the ID information stored in the storage unit.