Abstract: An electronic device that relays an Internet Protocol (IP) packet compliant with one of a plurality of IP versions includes circuitry configured to process the IP packet in each of a first mode operating as a router and a second mode operating as a bridge; and set, as a mode of the electronic device, one of the first mode or the second mode, based on which of the plurality of IP versions the IP packet to be processed is compliant with.

Abstract: An electronic device that relays an IPv4 packet includes circuitry configured to process the IPv4 packet in each of a first mode operating as a router and a second mode operating as a bridge, set one of the first mode and the second mode as a mode of the electronic device, terminate an IPv4 over IPv6 tunnel, and perform a communication test through the IPv4 over IPv6 tunnel with respect to another electronic device, and the another electronic device is connected with the electronic device via the IPv4 over IPv6 tunnel and terminates the IPv4 over IPv6 tunnel, and set the first mode as the mode, when a result of the communication test shows that communication is available.

Abstract: An electronic device that relays an Internet Protocol (IP) packet compliant with one of a plurality of IP versions includes circuitry configured to process the IP packet in each of a first mode operating as a router and a second mode operating as a bridge; and set, as a mode of the electronic device, one of the first mode or the second mode, based on which of the plurality of IP versions the IP packet to be processed is compliant with.

Abstract: An electronic device that relays an IPv4 packet includes circuitry configured to process the IPv4 packet in each of a first mode operating as a router and a second mode operating as a bridge, set one of the first mode and the second mode as a mode of the electronic device, terminate an IPv4 over IPv6 tunnel, and perform a communication test through the IPv4 over IPv6 tunnel with respect to another electronic device, and the another electronic device is connected with the electronic device via the IPv4 over IPv6 tunnel and terminates the IPv4 over IPv6 tunnel, and set the first mode as the mode, when a result of the communication test shows that communication is available.

Abstract: A wireless LAN system, device, and method, and a medium having a wireless LAN program is provided. Wireless LAN devices are able to wirelessly communicate with each other by using a plurality of channels. A wireless LAN device is provided, including a requesting section and a post-request restoring section. The requesting section transmits a probe request by using a second channel selected from among a plurality of channels that the wireless LAN device can use, the probe request being assigned channel information indicating a first channel that the wireless LAN device currently uses. The post-request restoring section, when the second channel is not identical to the first channel, restores the channel used by the wireless LAN device from the second channel to the first channel within a first predetermined period from start of use of the second channel, after the transmission of the probe request.

Abstract: A wireless LAN device and a wireless LAN system including three or more wireless LAN devices are provided. A wireless LAN device includes a wireless communication section for performing wireless communication so as to relay a packet in a wireless network. The wireless communication section includes a priority transmitting section for transmitting a priority level of the wireless LAN device to one or more other wireless LAN devices; a priority receiving section for receiving a priority level of the one or more other wireless LAN devices from the one or more other wireless LAN devices, and storing the received priority level in a priority storing section; and a relaying section for relaying the packet to the one or more other wireless LAN devices that has the highest priority level among the priority levels stored in the priority storing section.

Abstract: The wireless LAN device 10 includes a packet transmission controller 102 having the function of transmitting a DHCPDISCOVER packet from a LAN switch 130 to wired devices and the function of causing an RF device to transmit a Probe Request packet to other wireless LAN devices through an antenna 150; a first operation controller 104 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as an access point, when the wireless LAN device 10 receives DCHPOFFER packet; and a second operation controller 106 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as a client, when the wireless LAN device 10 receives a Probe Response packet.

Abstract: An effective velocity estimation section 322 of a wireless LAN device WLD3 connected to a wireless terminal WT estimates effective velocities V on a plurality of wireless communication routes to a wireless LAN device WLD1 connected to an external network. A selection section 330 of the wireless LAN device WLD3 selects another wireless LAN device that realizes the maximum-speed effective velocity V of communication with the wireless LAN device connected to the external network, from among a plurality of other wireless LAN devices. A communication control section 310 of the wireless LAN device WLD3 performs connection processing for the selected wireless LAN device.

Abstract: A communication device including a wireless communicator that controls the communication device to function as a wireless access point based on communication setup information; a wired communicator that controls the communication device to communicate via a wired interface; an operating mode setter that sets the communication device to operate in one of two operating modes including a first operating mode in which the communication device provides another communication device with the communication setup information and a second operating mode in which the communication device receives the communication setup information from another communication device operating in the first operating mode; and a provider that controls the wired communicator to provide the another communication device operating in the second operating mode with the communication setup information via the wired interface when the communication device operates in the first operating mode.

Abstract: A wireless LAN device which performs wireless communication in a wireless network comprises: a communication section for performing the wireless communication such that a packet can be relayed in the wireless network; and a setting section for obtaining first identification information from another wireless LAN device present in a communicable state within a radio wave arrival range of the wireless LAN device, which first identification information can identify the other wireless LAN device, and setting a role for executing an asymmetric protocol asymmetric between the wireless LAN device and the other wireless LAN device, the role being set based on the first identification information, and second identification information, stored in the wireless LAN device, that can identify the wireless LAN device. The wireless LAN device shares an encryption key, based on the set role, and relays a packet by encrypting the packet by using the encryption key.

Abstract: The wireless LAN device 10 includes a packet transmission controller 102 having the function of transmitting a DHCPDISCOVER packet from a LAN switch 130 to wired devices and the function of causing an RF device to transmit a Probe Request packet to other wireless LAN devices through an antenna 150; a first operation controller 104 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as an access point, when the wireless LAN device 10 receives DCHPOFFER packet; and a second operation controller 106 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as a client, when the wireless LAN device 10 receives a Probe Response packet.

Abstract: The wireless LAN device 10 includes a packet transmission controller 102 having the function of transmitting a DHCPDISCOVER packet from a LAN switch 130 to wired devices and the function of causing an RF device to transmit a Probe Request packet to other wireless LAN devices through an antenna 150; a first operation controller 104 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as an access point, when the wireless LAN device 10 receives DCHPOFFER packet; and a second operation controller 106 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as a client, when the wireless LAN device 10 receives a Probe Response packet.

Abstract: An effective velocity estimation section 322 of a wireless LAN device WLD3 connected to a wireless terminal WT estimates effective velocities V on a plurality of wireless communication routes to a wireless LAN device WLD1 connected to an external network. A selection section 330 of the wireless LAN device WLD3 selects another wireless LAN device that realizes the maximum-speed effective velocity V of communication with the wireless LAN device connected to the external network, from among a plurality of other wireless LAN devices. A communication control section 310 of the wireless LAN device WLD3 performs connection processing for the selected wireless LAN device.

Abstract: A wireless LAN device which performs wireless communication in a wireless network comprises: a communication section for performing the wireless communication such that a packet can be relayed in the wireless network; and a setting section for obtaining first identification information from another wireless LAN device present in a communicable state within a radio wave arrival range of the wireless LAN device, which first identification information can identify the other wireless LAN device, and setting a role for executing an asymmetric protocol asymmetric between the wireless LAN device and the other wireless LAN device, the role being set based on the first identification information, and second identification information, stored in the wireless LAN device, that can identify the wireless LAN device. The wireless LAN device shares an encryption key, based on the set role, and relays a packet by encrypting the packet by using the encryption key.

Abstract: A wireless LAN system, device, and method, and a medium having a wireless LAN program. Wireless LAN devices are able to wirelessly communicate with each other by using a plurality of channels. Disclosed is a wireless LAN device including a requesting section and a post-request restoring section. The requesting section transmits a probe request by using a second channel which is selected from among a plurality of channels that the wireless LAN device can use, the probe request being assigned channel information indicating a first channel that the wireless LAN device currently uses. The post-request restoring section, when the second channel is not identical to the first channel, restores the channel used by the wireless LAN device from the second channel to the first channel within a first predetermined period from start of use of the second channel, after the transmission of the probe request.

Abstract: A wireless LAN device and a wireless LAN system including three or more wireless LAN devices. A wireless LAN device includes a wireless communication section for performing wireless communication so as to relay a packet in a wireless network. The wireless communication section includes a priority transmitting section for transmitting a priority level of the wireless LAN device to one or more other wireless LAN devices; a priority receiving section for receiving a priority level of the one or more other wireless LAN devices from the one or more other wireless LAN devices, and storing the received priority level in a priority storing section; and a relaying section for relaying the packet to the one or more other wireless LAN devices that has the highest priority level among the priority levels stored in the priority storing section.

Abstract: A wireless terminal device 110 for communicating with an access point 200 through the MIMO protocol, comprising a throughput measurement module 132 for measuring the throughput during the communication with the access point 200, and an indicator unit 13 for notifying the user of the level of the status of communication with the access point 200 according to the result of measurements obtained by the throughput measurement module 132.

Abstract: The wireless LAN device 10 includes a packet transmission controller 102 having the function of transmitting a DHCPDISCOVER packet from a LAN switch 130 to wired devices and the function of causing an RF device to transmit a Probe Request packet to other wireless LAN devices through an antenna 150; a first operation controller 104 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as an access point, when the wireless LAN device 10 receives DCHPOFFER packet; and a second operation controller 106 that can set the wireless LAN device 10 in the operating mode where the wireless LAN device 10 can operate as a client, when the wireless LAN device 10 receives a Probe Response packet.

Abstract: A program capable of improving security of an information processing device handling a plurality of transactions. User identification information input section receives user identification information input thereto and identifying a user, and certificate acquiring section acquires a certificate certifying authenticity of the user. Correspondence storing section stores information indicating the correspondence between the user identification information and the certificate. When accessed from a certain user, certificate identifying section identifies, based on the user identification information from the user, a corresponding certificate. Based on the certificate identified by the certificate identifying section, user certification section verifies whether or not the user is an authentic user.