Mobile communication system, communication system, node, flow-control network, and communication-control method

A node in a mobile communication system that provides a mobile communication function to a mobile communication terminal and includes a flow-control network, the node connected to the flow-control network, and a device that accommodates the mobile communication terminal among devices having a same function, the flow-control network storing accommodation device information indicating a correspondence relationship between the mobile communication terminal and the device, the node comprising:

• circuitry configured to
• assign, to a header part of a signal from the own node to another node, information indicating a mobile communication terminal of a destination or a transmission source of the signal accommodated in the other node;
• and
• transmit the signal in which the information indicating a mobile communication terminal is assigned to the header part to the flow-control network in order to transmit the signal to the other node,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through is replicated through virtual machine (VM) replication,
• the mobile communication system performs path control for the device, and
• the accommodation device information is changed based on virtual machine replication.

A flow-control network in a mobile communication system that provides a mobile communication function to a mobile communication terminal and includes the flow-control network, a node and another node connected to the flow-control network, the flow-control network comprising:

• circuitry configured to
• store accommodation device information indicating a correspondence relationship between the mobile communication terminal and a device accommodating the mobile communication terminal among devices having a same function;
• receive the signal destined for the other node that is transmitted from the node;
• acquire the information indicating a mobile communication terminal of a destination or a transmission source of the signal from the header part of the signal received;
• identify a device of a transmission destination among the devices having the same function from the information acquired with reference to the accommodation device information stored;
• and
• transmit the signal received to the device of a transmission destination identified,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through virtual machine (VM) replication,
• the circuitry performs path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a mobile communication system that provides a mobile communication function to a mobile communication terminal and includes a flow-control network and a node connected to the flow-control network, the communication-control method comprising:

• a terminal information assigning step for assigning, by the node, to a header part of a signal from the own node to another node, information indicating a mobile communication terminal of a destination or a transmission source of the signal accommodated in the other node;
• and
• a transmission step for transmitting, by the node, the signal in which the information indicating a mobile communication terminal is assigned to the header part in the terminal information assigning step to the flow-control network in order to transmit the signal to the other node;
• an open flow reception step for receiving, by the flow-control network, the signal destined for the other node that is transmitted from the node;
• a terminal information acquisition step for acquiring, by the flow-control network, the information indicating a mobile communication terminal of a destination or a transmission source of the signal from the header part of the signal received in the open flow reception step;
• a transmission destination identification step for identifying, by the flow-control network, a device of a transmission destination among devices having a same function from the information acquired in the terminal information acquisition step with reference to accommodation device information indicating a correspondence relationship between the mobile communication terminal and a device accommodating the mobile communication terminal among the devices having the same function, the accommodation device information being stored in the flow-control network;
• and
• an open flow transmission step for transmitting, by the flow-control network, the signal received in the open flow reception step to the device of a transmission destination identified in the transmission destination identification step,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through virtual machine (VM) replication,
• the method further includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a node in a mobile communication system that provides a mobile communication function to a mobile communication terminal and includes a flow-control network and the node connected to the flow-control network, and an device that accommodates the mobile communication terminal among devices having a same function, the flow-control network storing accommodation device information indicating a correspondence relationship between the mobile communication terminal and the device, the communication-control method comprising:

• a terminal information assigning step for assigning, to a header part of a signal from the own node to another node, information indicating a mobile communication terminal of a destination or a transmission source of the signal accommodated in the other node:
• and
• a transmission step for transmitting the signal in which the information indicating a mobile communication terminal is assigned to the header part in the terminal information assigning step to the flow-control network in order to transmit the signal to the other node,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through is replicated through virtual machine (VM) replication,
• the method further includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a flow-control network in a mobile communication system that provides a mobile communication function to a mobile communication terminal and includes the flow-control network, a node and another node connected to the flow-control network, the communication-control method comprising:

• an open flow reception step for receiving a signal destined for the other node that is transmitted from the node;
• a terminal information acquisition step for acquiring information indicating a mobile communication terminal of a destination or a transmission source of the signal from a header part of the signal received in the open flow reception step;
• a transmission destination identification step for identifying a device of a transmission destination among devices having a same function from the information acquired in the terminal information acquisition step with reference to accommodation device information indicating a correspondence relationship between the mobile communication terminal and a device accommodating the mobile communication terminal among the devices having the same function, the accommodation device information being stored in the flow-control network;
• and
• an open flow transmission step for transmitting the signal received in the open flow reception step to the device of a transmission destination identified in the transmission destination identification step,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through virtual machine (VM) replication,
• the method further includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication system that provides a communication function to a communication terminal and includes a flow-control network and a node connected to the flow-control network, and an device that accommodates the mobile communication terminal among devices having a same function, the flow-control network storing accommodation information indicating a correspondence relationship between the mobile communication terminal and the device.

• wherein the node comprises circuitry configured to
• assign, to a header part of a signal from the own node to another node, information indicating a communication terminal of a destination or a transmission source of the signal accommodated in the other node;
• and
• transmit the signal in which the information indicating a communication terminal is assigned to the header part to the flow-control network in order to transmit the signal to the other node, and
• the flow-control network comprises circuitry configured to
• store accommodation device information indicating a correspondence relationship between the communication terminal and a device accommodating the communication terminal among devices having a same function;
• receive the signal destined for the device that is transmitted from the node;
• acquire the information indicating a communication terminal of a destination or a transmission source of the signal from the header part of the signal received;
• identify a device of a transmission destination among the devices having the same function from the information acquired with reference to the accommodation device information stored;
• and
• transmit the signal received to the device of a transmission destination identified,
• wherein the devices having the same function include one of the devices that is replicated from another of the devices through virtual machine (VM) replication,
• the mobile communication system performs path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A node in a communication system that provides a communication function to a communication terminal and includes a flow-control network, the node connected to the flow-control network, and an device that accommodates the mobile communication terminal among devices having a same function, the flow-control network storing accommodation information indicating a correspondence relationship between the mobile communication terminal and the device, the node comprising:

• circuitry configured to
• assign, to a header part of a signal from the own node to another node, information indicating a communication terminal of a destination or a transmission source of the signal accommodated in the other node:
• and
• transmit the signal in which the information indicating a communication terminal is assigned to the header part to the flow-control network in order to transmit the signal to the other node,
• wherein the devices having the same function include one of the devices which is replicated from another of the devices through is replicated through virtual machine (VM) replication,
• the communication system performs path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A flow-control network in a communication system that provides a communication function to a communication terminal and includes the flow-control network, a node and another node connected to the flow-control network to accommodate the communication terminal, the flow-control network comprising:

• circuitry configured to
• store accommodation device information indicating a correspondence relationship between the communication terminal and a device accommodating the communication terminal among devices having a same function;
• receive the signal destined for the other node that is transmitted from the node;
• acquire the information indicating a communication terminal of a destination or a transmission source of the signal from the header part of the signal received;
• identify a device of a transmission destination among the devices having the same function from the information acquired with reference to the accommodation device information stored;
• and
• transmit the signal received to the device of a transmission destination identified,
• wherein the devices having the same function include one of the devices that is replicated from another of the devices through virtual machine (VM) replication, and
• the communication system performs path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a communication system that provides a communication function to a communication terminal and includes a flow-control network and a node connected to the flow-control network, the communication-control method comprising:

• a terminal information assigning step for assigning, by the node, to a header part of a signal from the own node to another node, information indicating a communication terminal of a destination or a transmission source of the signal accommodated in the other node;
• and
• a transmission step for transmitting, by the node, the signal in which the information indicating a communication terminal is assigned to the header part in the terminal information assigning step to the flow-control network in order to transmit the signal to the other node;
• an open flow reception step for receiving, by the flow-control network, the signal destined for the other node that is transmitted from the node;
• a terminal information acquisition step for acquiring, by the flow-control network, the information indicating a communication terminal of a destination or a transmission source of the signal from the header part of the signal received in the open flow reception step;
• a transmission destination identification step for identifying, by the flow-control network, a device of a transmission destination among devices having a same function from the information acquired in the terminal information acquisition step with reference to accommodation device information indicating a correspondence relationship between the communication terminal and a device accommodating the communication terminal among the devices having the same function, the accommodation device information being stored in the flow-control network;
• and
• an open flow transmission step for transmitting, by the flow-control network, the signal received in the open flow reception step to the device of a transmission destination identified in the transmission destination identification step,
• wherein the devices having the same function include one of the devices that is replicated from another of the devices through virtual machine (VM) replication,
• the method further includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a node in a communication system that provides a communication function to a communication terminal and includes a flow-control network and the node connected to the flow-control network, and an device that accommodates the communication terminal among devices having a same function, the flow-control network storing accommodation device information indicating a correspondence relationship between the communication terminal and the device, the communication-control method comprising:

• a terminal information assigning step for assigning, to a header part of a signal from the own node to another node, information indicating a communication terminal of a destination or a transmission source of the signal accommodated in the other node;
• and
• a transmission step for transmitting the signal in which the information indicating a communication terminal is assigned to the header part in the terminal information assigning step to the flow-control network in order to transmit the signal to the other node,
• the devices having the same function include one of the devices which is replicated from another of the devices through is replicated through virtual machine (VM) replication, and
• the method further includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.

A communication-control method performed by a flow-control network in a communication system that provides a communication function to a communication terminal and includes the flow-control network, a node and another node connected to the flow-control network, the communication-control method comprising:

• an open flow reception step for receiving a signal destined for the other node that is transmitted from the node;
• a terminal information acquisition step for acquiring information indicating a communication terminal of a destination or a transmission source of the signal from a header part of the signal received in the open flow reception step;
• a transmission destination identification step for identifying a device of a transmission destination among devices having a same function from the information acquired in the terminal information acquisition step with reference to accommodation device information indicating a correspondence relationship between the communication terminal and a device accommodating the communication terminal among the devices having the same function, the accommodation device information being stored in the flow-control network;
• and
• an open flow transmission step for transmitting the signal received in the open flow reception step to the device of a transmission destination identified in the transmission destination identification step,
• wherein the devices having the same function include one of the devices that is replicated from another of the devices through virtual machine (VM) replication,
• the method includes performing path control for the other node, and
• the accommodation device information is changed based on virtual machine replication.