Information communication system, information communication method, information signal processing device and information signal processing method, and storage medium

An information signal processing method in an IEEE 1394 bus system in which a plurality of information signal processing apparatuses are connected via a communication control network, characterized by comprising:

• the step of, upon issuing an update request when a network configuration must be updated in a remote network other than the communication control network connected to the information signal processing apparatuses, receiving network specifying information for the issued update request, and a network update notification.

An information signal processing method in an IEEE 1394 bus system in which a plurality of information signal processing apparatuses are connected via a communication control bus complying with IEEE 1394, characterized by comprising the step of:

• notifying occurrence of remote bus reset when a plurality of buses are connected via a bridge, and bus reset occurs on a remote bus other than a connected bus.

An information communication method in an information communication system connectable via a serial bridge having portals respectively connected to different serial buses and a registration table for registering node information, characterized by comprising the steps of:

• registering information of a connected node in addition to serial bus specifying information in the registration table for each serial bus connected to the serial bridge, monitoring bus reset on the serial bus connected to each portal, when bus reset is detected, rewriting, in accordance with newly updated node information, contents of the registration table corresponding to a serial bus on which bus reset is detected, and updating the registration table, thereby enabling recognizing a change in system configuration.

An information communication method in an information communication system having a first communication control network capable of connecting communication devices via a serial bus, a second communication network capable of connecting communication devices via a serial bus different from the serial bus of the first communication control network, and a connection device for enabling communication between the first and second communication control networks, characterized in that

• the connection device interprets an upper protocol used by communication between a first communication device connected to the first communication control network and a second communication device connected to the second communication control network, and performs, instead of the second communication device, processing which should be performed by the second communication device when a network configuration must be updated in the first communication control network, thereby enabling communication between the first and second communication devices regardless of a network update request in the first communication control network.

A computer-readable storage medium which stores a computer program for realizing a reset reception function of, upon issuing an update request when a network configuration must be updated in a remote network other than a communication control network connected to an information signal processing apparatus connected to the communication control network, receiving network specifying information for the issued update request, and a network update notification.

A computer-readable storage medium incorporated in a bridge that realizes a function of, when a plurality of buses of IEEE 1394 bus systems connected to a plurality of information signal processing apparatuses via communication control buses complying with IEEE 1394 are connected via bridges, and bus reset occurs on a remote bus other than the connected buses, notifying information signal processing apparatuses connected to other buses connected via bridges connected to the buses of occurrence of remote bus reset containing bus specifying information for occurrence of the bus reset.

A computer-readable storage medium incorporated in a connection device of an information communication system having a first communication control network capable of connecting communication devices via a serial bus, a second communication network capable of connecting communication devices via a serial bus different from the serial bus of the first communication control network, and the connection device for enabling communication between the first and second communication control networks, wherein said medium stores computer program streams for realizing an interpretation function of interpreting an upper protocol used by communication between a first communication device connected to the first communication control network and a second communication device connected to the second communication control network, and a proxy function of performing, instead of the second communication device, processing which should be performed by the second communication device when a network configuration must be updated in the first communication control network, and for realizing communication between the first and second communication devices regardless of a network update request in the first communication control network.

A computer-readable storage medium incorporated in a connection device of an information communication system including a first serial bus connected to the connection device, a first node connected to the first serial bus, a second serial bus different from the first serial bus, and a second node connected to the second serial bus, the first and second nodes being able to communicate with each other, wherein said medium stores computer program streams for realizing an interpretation function of interpreting an upper protocol used by communication between the first and second nodes, and a proxy function of performing, instead of the second node, processing which should be performed by the second node when bus reset occurs on the first serial bus, and for enabling communication between communication between the first and second nodes regardless of bus reset on the first serial bus by performing processing which should be performed upon occurrence of bus reset between the first node and the connection device when bus reset occurs on the first serial bus.

A computer-readable storage medium incorporated in a connection device of an information communication system having a first communication control network capable of connecting communication devices via a serial bus, a second communication network capable of connecting communication devices via a serial bus different from the serial bus of the first communication control network, and a connection device for enabling communication between the first and second communication control networks, wherein said medium stores computer program streams for interpreting an upper protocol used by communication between a first communication device connected to the first communication control network and a second communication device connected to the second communication control network, and performing, instead of the second communication device, processing which should be performed by the second communication device when a network configuration must be updated in the first communication control network, thereby enabling communication between the first and second communication devices regardless of a network update request in the first communication control network.

An information communication method in an information communication system connectable via a serial bridge having portals respectively connected to different serial buses and a registration table for registering node information, characterized by comprising the steps of:

• registering information of a connected node in addition to serial bus designating information in the registration table for each serial bus connected to the serial bridge, monitoring bus reset on the serial bus connected to each portal, when bus reset is detected, rewriting, in accordance with newly updated node information, contents of the registration table corresponding to a serial bus on which bus reset is detected, and updating the registration table, thereby enabling recognizing a change in system configuration.

Computer program streams for an information communication system connectable via a serial bridge having portals respectively connected to different serial buses and a registration table for registering node information, characterized in that said computer program streams enabling the information communication system to perform the following operations;

• registering information of a connected node in addition to serial bus designating information in the registration table for each serial bus connected to the serial bridge, monitoring bus reset on the serial bus connected to each portal, when bus reset is detected, rewriting, in accordance with newly updated node information, contents of the registration table corresponding to a serial bus on which bus reset is detected, and updating the registration table, thereby enabling recognizing a change in system configuration.