Abstract: To provide a terminal device capable of preventing user-unintended communication from being made. A communication control means 91 controls a packet transfer means for transmitting a packet. An instruction information giving means 92 gives instruction information indicating an instruction for the communication control means 91 to the communication control means 91. The communication control means 91 sends a flow detection notification that it detected a new flow to the instruction information giving means 92 when detecting the new flow. The instruction information giving means 92 determines whether to permit the flow to be communicated when receiving the flow detection notification. When determining to permit communication, the instruction information giving means 92 then gives instruction information for instructing to transmit a packet of the flow in a path as an access network designated by the instruction information giving means 92 to the communication control means 91.

Abstract: A communication system, comprises: a first network switch that transmits to a network controller a control message containing ancillary data; the network controller that retrieves the ancillary data from the control message containing the ancillary data, holds the ancillary data, and transmits to a second network switch a control message containing the ancillary data; and the second network switch that receives the control message containing the ancillary data from the network controller, retrieves a packet to be outputted and the ancillary data, and forwards the packet and the ancillary data to a specified destination.

Abstract: Provided is a terminal device capable of recognizing communication traffic in a mobile network for each piece of application software. Communication control means 91 controls packet transfer means for transmitting a packet. Instruction information imparting means 92 imparts instruction information representing an instruction for the communication control means 91 to the communication control means 91. The communication control means 91 acquires statistical information including communication traffic for each flow from the packet transfer means and retains the statistical information along with information on application software which is a flow transmission source and information on an access network used for communication. The instruction information imparting means 92 acquires statistical information of each access network from the communication control means 91 for each piece of application software.

Abstract: There is provided a flow control device for controlling flow control rules defining processing contents per flow in a packet transfer device for processing packets belonging to a flow between a first communication device and a second communication device, which receives a packet reception notification indicating that the packet transfer device receives a packet from at least one of the first communication device and the second communication device from the packet transfer device, determines a flow control rule to be notified to the packet transfer device in response to the received packet reception notification, manages a packet reception notification reception time when the packet reception notification is received, and calculates a first round-trip transmission delay time between two devices among the first communication device, the second communication device, and the packet transfer device based on the packet reception notification reception times.

Abstract: To provide a communication terminal capable of selecting a communication interface corresponding to a communicable wireless network without the use of a route determination dedicated packet. A packet generation means 93 generates a packet based on data for receiving a service from a destination device. A control means 94 selects a communication interface 91 from among a plurality of communication interfaces 91, instructs a packet processing means 95 to send a packet generated by the packet generation means 93 to the communication interface 91, and when a response packet for the packet is not input until a timeout determination reference time, selects a different communication interface 91 from the communication interface 91, instructs the packet processing means 95 to send a copy of the packet to the communication interface 91.

Abstract: To provide a communication terminal capable of selecting a communication interface corresponding to a communicable wireless network without the use of a route determination dedicated packet. A packet generation means 93 generates a packet based on data for receiving a service from a destination device. A control means 94 selects a communication interface 91 from among a plurality of communication interfaces 91, instructs a packet processing means 95 to send a packet generated by the packet generation means 93 to the communication interface 91, and when a response packet for the packet is not input until a timeout determination reference time, selects a different communication interface 91 from the communication interface 91, instructs the packet processing means 95 to send a copy of the packet to the communication interface 91.

Abstract: There is provided a flow control device for controlling flow control rules defining processing contents per flow in a packet transfer device for processing packets belonging to a flow between a first communication device and a second communication device, which receives a packet reception notification indicating that the packet transfer device receives a packet from at least one of the first communication device and the second communication device from the packet transfer device, determines a flow control rule to be notified to the packet transfer device in response to the received packet reception notification, manages a packet reception notification reception time when the packet reception notification is received, and calculates a first round-trip transmission delay time between two devices among the first communication device, the second communication device, and the packet transfer device based on the packet reception notification reception times.

Abstract: A mobile node comprises: selection unit that selects, from a base node(s), a base node that relays a packet(s) between the mobile node and a correspondent node; and rule change unit that sets, in the mobile node and the selected base node, a control rule(s) for forwarding the packet(s) between the mobile node and the correspondent node via the selected base node.

Abstract: A system, a method and a server for managing a communication terminal as well as a terminal control method are provided that make it possible to easily use a privately owned communication terminal in business. A management system for managing a terminal (300) owned by a user (400) includes: a gate (100) that determines the user's entrance into or exit from a predetermined place; and a management server 200 that determines an operation policy based on at least a result of the determination made by the gate (100) and sets this operation policy on the terminal (300).

Abstract: Provided is a terminal device capable of recognizing communication traffic in a mobile network for each piece of application software. Communication control means 91 controls packet transfer means for transmitting a packet. Instruction information imparting means 92 imparts instruction information representing an instruction for the communication control means 91 to the communication control means 91. The communication control means 91 acquires statistical information including communication traffic for each flow from the packet transfer means and retains the statistical information along with information on application software which is a flow transmission source and information on an access network used for communication. The instruction information imparting means 92 acquires statistical information of each access network from the communication control means 91 for each piece of application software.

Abstract: To provide a terminal device capable of preventing user-unintended communication from being made. A communication control means 91 controls a packet transfer means for transmitting a packet. An instruction information giving means 92 gives instruction information indicating an instruction for the communication control means 91 to the communication control means 91. The communication control means 91 sends a flow detection notification that it detected a new flow to the instruction information giving means 92 when detecting the new flow. The instruction information giving means 92 determines whether to permit the flow to be communicated when receiving the flow detection notification. When determining to permit communication, the instruction information giving means 92 then gives instruction information for instructing to transmit a packet of the flow in a path as an access network designated by the instruction information giving means 92 to the communication control means 91.

Abstract: A communication system, comprises: a first network switch that transmits to a network controller a control message containing ancillary data; the network controller that retrieves the ancillary data from the control message containing the ancillary data, holds the ancillary data, and transmits to a second network switch a control message containing the ancillary data; and the second network switch that receives the control message containing the ancillary data from the network controller, retrieves a packet to be outputted and the ancillary data, and forwards the packet and the ancillary data to a specified destination.

Abstract: A communication terminal that can communicate through a plurality of communication schemes. The terminal comprises: a plurality of communication interfaces that correspond to at least one of the plurality of communication schemes; and a communication unit that stores a plurality of communication policies associated respectively with a plurality of applications, and that selects, from the plurality of communication interfaces, a communication interface(s) to be used in communication performed respectively by the plurality of applications, in accordance with the plurality of communication policies that include a condition(s) identifying of a usage mode of the communication.

Abstract: A mobile terminal includes: a plurality of communication interfaces that are respectively correlated to at least one of a plurality of radio access schemes; and a communication unit that communicates using at least one of the plurality of communication interfaces. The communication unit communicates using a communication interface correlated to a radio access scheme selected based upon a communication fee corresponding to a communication volume and upon a sort of an application used for communication.