摘要:
An information processor (1) comprises: a history packet transmitter (11) for transmitting via a plurality of ports of a communication processor (2) a plurality of history packets; a request packet transmitter (12) for transmitting a request packet requesting transmission of a return packet; a packet transmission controller (13) for controlling transmission of a request packet; a return packet receiver (14) for receiving a return packet transmitted from a server (3); and a port keeping time detector (15) for detecting the port keeping time of the communication processor (2) based on reception of a return packet by the return packet receiver (14). The server (3) includes: a request packet receiver (31) for receiving the request packet; and a return packet transmitter (32) for transmitting the return packet to the history port of the communication processor (2) where a history packet passed when a request packet receiver (31) received a request packet. This configuration provides an information processing system for detecting the port keeping time of the communication processor.
摘要:
A first information processor transmits a bubble packet to a second communication control unit for leaving transmission record in a first communication control unit by way of the first communication control unit, a second information processor transmits a reply packet to one or more ports including at least the bubble packet transmitting port as the port of the first communication control unit used in transmission of bubble packet, and the first information processor receives the reply packet transmitted from the second information processor by way of the second communication control unit. In this configuration, the invention presents a communication system capable of establishing communication between plural information processors for communicating by way of communication control unit (NAT).
摘要:
An information processing apparatus (1) is equipped with: a history packet transmitting unit (11) for transmitting a history packet via a communication processing apparatus (2); a request packet transmitting unit (12) for transmitting a request packet which requests a transmission of a return packet; a packet transmission control unit (13) for controlling the transmission of the request packet; a return packet receiving unit (14) for receiving the return packet transmitted from a server apparatus (3); and a port keeping time detecting unit (15) for detecting a port keeping time of the communication processing apparatus (2) based upon the reception of the return packet by the return packet receiving unit (14). The server apparatus (3) is comprised of: a request packet receiving unit (31) for receiving the request packet; and a return packet transmitting unit (32) for transmitting the return packet to a port of the communication processing apparatus (2) when the request packet receiving unit (31) receives the request packet. With employment of the above-described arrangement, an information processing system capable of detecting the port keeping time of the communication processing apparatus is provided.
摘要:
There is provided an information processing device comprising bubble packet transmitter for transmitting a bubble packet via communications processing device, detecting packet transmitter for transmitting a detecting packet via communications processing device, the detecting packet used for detecting a position of a bubble packet transmission port, the detecting packet being transmitted in a manner that a detecting packet transmission port in communications processing device where the detecting packet passes through becomes the same as or different from a bubble packet transmission port, depending on a type of communications processing device, and bubble packet transmission port detector for detecting a position of the bubble packet transmission port according to the detecting packet transmission port.
摘要:
A first information processing equipment transmits, to a mediating server, the first transmission information which is the information containing the relay server identification information for identifying the relay server employed in the data relay between information processing equipments, and executes the data relay with the second information processing equipment through the relay server identified by the relay server identification information. The mediating server receives the first transmission information and transmits, to a second information processing equipment, the second transmission information which is the information containing the relay server identification information contained in the first transmission information. The second information processing equipment receives the second transmission information and executes the data relay with the first information processing equipment through the relay server identified by the relay server identification information contained in the second transmission information.
摘要:
An information processing apparatus, an information processing system, an information processing method, and a program for enabling an information processing apparatus to receive a packet transmitted from a server and making it possible to prevent an increase in the traffic of a communication line of the Internet, etc., are disclosed. The information processing apparatus includes a repetitive packet transmission section for transmitting a repetitive packet, a function determination section for determining whether or not the nearest communication processing apparatus has a port mapping setting function, a port mapping setting section for setting port mapping for the nearest communication processing apparatus if it is determined that the nearest communication processing apparatus has a port mapping setting function, and a transmission control section for controlling the repetitive packet transmission section so as to transmit the repetitive packet if it is not determined that the nearest communication processing apparatus has a port mapping setting function.
摘要:
A first information processor (1) transmits a bubble packet to a port assigned after assignment of specified port from reference port in a second communication control unit (4), a server (6) detects the position of the bubble packet transmitting port in a first communication control unit (3) used in transmission of this bubble packet, and a second information processor (2) transmits a reply packet to the detected bubble port transmitting port. In this configuration, the invention presents a communication system capable of establishing more securely communication between plural information processors for communicating by way of communication control unit (NAT). In this configuration, the invention presents a communication system capable of establishing more securely communication between plural information processors for communicating by way of communication control unit (NAT).
摘要:
A first information processing equipment transmits, to a mediating server, the first transmission information which is the information containing the relay server identification information for identifying the relay server employed in the data relay between information processing equipments, and executes the data relay with the second information processing equipment through the relay server identified by the relay server identification information. The mediating server receives the first transmission information and transmits, to a second information processing equipment, the second transmission information which is the information containing the relay server identification information contained in the first transmission information. The second information processing equipment receives the second transmission information and executes the data relay with the first information processing equipment through the relay server identified by the relay server identification information contained in the second transmission information.
摘要:
An information processor (1) comprises: a history packet transmitter (11) for transmitting a history packet; a request packet transmitter (12) for transmitting a request packet requesting transmission of a return packet; a packet transmission controller (13) for controlling transmission of a request packet by using a binary search method; a return packet receiver (14) for receiving a return packet transmitted from a server (3); and a port keeping time detector (15) for detecting the port keeping time of a communication processor (2) based on reception of a return packet by the return packet receiver (14). The server (3) includes: a request packet receiver (31) for receiving a request packet; and a return packet transmitter (32) for transmitting a return packet to a port of the communication processor (2) where a history packet passed when the request packet receiver (31) received a request packet. This configuration provides an information processing system for detecting the port keeping time of the communication processor.
摘要:
A first information processor transmits a bubble packet to a second communication control unit for leaving transmission record in a first communication control unit by way of the first communication control unit, a second information processor transmits a reply packet to one or more ports including at least the bubble packet transmitting port as the port of the first communication control unit used in transmission of bubble packet, and the first information processor receives the reply packet transmitted from the second information processor by way of the second communication control unit. In this configuration, the invention presents a communication system capable of establishing communication between plural information processors for communicating by way of communication control unit (NAT).