Fujitsu Corporation

Other

Ntt Docomo, Inc.

Itaru Nakagawa

Kazuo Sasaki

Toshihiro Shimizu

Nobutsugu Fujino

Shigeki Fukuta

Keiichi Nakatsugawa

Fumiyuki Iizuka

Akira Ito

Masayuki Fukui

Ichiro Iida

Takeshi Ohtani

Takashi Nishigaya

Masanaga Tokuyo

Satoru Chikuma

Kazuhiro Muraoka

Yoshiyuki Seguchi

Hitoshi Koike

Hidetoshi Abeta

Hiraku Koganemaru

Masahiko Fuse

Michiyasu Chikada

Tetsuya Taniguchi

Takeshi Kamura

Naotaka Tsuji

Zenichi Yashiro

Daisuke Kuwata

Takanori Hisanaga

A communication apparatus includes a storage device to store information indicating connection records of one or a plurality of terminals, and a processor. The processor performs a process including selecting one of a plurality of methods of exchanging a cipher key for communication with a target terminal that is to be connected to the communication apparatus, according to a combination of an input and output capability of the communication apparatus and an input and output capability of the target terminal, and outputting the input and output capability of the communication apparatus that causes the combination to select a method that exchanges the cipher key with the target terminal when the information indicating the connection records of the target terminal is stored in the storage device.

Communication apparatus, communication system, and communication control method

A communication control apparatus for switching a communication route from a first apparatus to a second apparatus based on apparatus identification information identifying the second apparatus, the communication control apparatus including: a table storage unit configured to store the apparatus identification information; a storage unit configured to store communication information of communication to the second apparatus with which the communication is performed; and a control unit configured to determine whether or not the control unit stores the apparatus identification information of the second apparatus starting the communication in the table storage unit based on the communication information stored in the storage unit and an information amount of the apparatus identification information capable of storing in the table storage unit.

Communication control apparatus, communication control method, communication system, and recording medium

A communication management system includes a GW and a server. The GW relays communication with a destination site via a first NW when an FQDN included in a communication request exists in a list. The server supplies the list to the GW. The server includes an aggregation unit that obtains a record including a communication FQDN, a detection GW, and accompanying information, aggregates the amount of access for each of the FQDNs based on the obtained record, and generates an attribute rank table on attribute of interest and a communication rank table for all the GWs. The server includes an extraction unit that extracts FQDNs highly ranked in the percentage of the number of accesses from the communication rank table and the attribute rank table based on a predetermined extraction ratio, as the list for the GWs corresponding to the attribute of interest, and distributes the list to the GW.

Communication management system, communication management method, and management apparatus

An event collection method collects an event from a sensor network, the method includes: retrieving on a per process basis for a module, based on a module definition information and an occurred event information, an occurrence node identifier categorized by an attribute value corresponding to an attribute name, with input event type associated with an occurred event type; determining, when there is a single retrieved occurrence node identifier with respect to the process of the module, a node identified by the occurrence node identifier as an installation destination of the module that is identified by the module identifier; referencing, when there is a plurality of retrieved occurrence node identifiers with respect to the process of the module, a connection relation information of nodes and determining an upper node common to the plurality of occurrence node identifiers as an installation destination of the module identified by the module identifier.

Event collection method and information processing apparatus

An authentication information management program of an authentication information management apparatus allowing the authentication information management apparatus to execute: changing the first authentication information in correspondence information which is information including the first authentication information and second authentication information in association with each other and stored in a storage section of the authentication information management apparatus; transmitting the authentication apparatus of the changed first authentication information; determining, in response to a request from the apparatus to be authenticated, whether the second authentication information in the authentication request coincides with the second authentication information in the correspondence information; and returning, in the case where it is determined that the second authentication information in the authentication request coincides with the second authentication information in the correspondence information, the first authentication information associated with the second authentication information read from the storage section.

Authentication information management of associated first and second authentication information for user authentication

A movement determination apparatus includes an acquiring unit that acquires a plurality of position information of an object at desired periods, a classifying unit that classifies the plurality of position information acquired by the acquiring unit into a plurality of measurement segments, an estimating unit that estimates existence regions of the object in the plurality of measurement segments, on a basis of the classified plurality of position information, and a determining unit that determines movement of the object position by comparing the existence regions.

Movement determination apparatus and movement determination method

A computer executes processing of acquiring, by using a positioning unit to output error region information indicating an ellipse-shaped error region represented by a position acquired from positioning performed by receiving a signal from a plurality of transmitters and a measurement error of the position, a plurality of pieces of the error region information by performing the positioning a plurality of times, processing of extending the error region indicated by each piece of the acquired error region information in a major axis direction, and processing of estimating a position of a positioning target based on an intersect region at which the extended error regions intersect with one another.

Recording medium for storing position estimation program, position estimation device, and position estimation method

A mobile node is arranged to perform a high-quality hand-over operation for eliminating an interruption time in communication and keeping the continuance of communication excellent. The mobile node has a function of interfacing with networks and includes a network quality monitor, a hand-over controller, and a network controller. The network quality monitor operates to monitor a network quality based on at least one of an intensity and a radio bandwidth of a radio wave received by network devices. The hand-over controller performs the hand-over operation of transmitting a care of address to an address registering destination in response to a state of the network quality before a communication is disconnected, changing a route of communication information, and switching a connecting destination into a new network. The network controller receives a response that indicates an update of the care of address in the address registering destination and keeping a function of receiving data from the network before being switched until the communication is disconnected.

Mobile node

When a plurality of IP packets to be relayed, which form a TCP connection, pass through a router device, converting units rewrite part of IP address information and port number information within the packets according to a predetermined rule in cooperation with a TCP connection management database. A stream linking unit extracts the information indicating the original connection destination of a TCP connection from the packets, and links two TCP connections with streams. Converting units rewrite part of the IP address information and the port number information within a plurality of packets to form a TCP connection with an original connection destination according to a predetermined rule in cooperation with the management database.

IP router device having a TCP termination function and a medium thereof

An authentication checking server makes user authentication checking when an access is made to an individual in-house server. A resource managing server receives a resource request corresponding to the resource of the individual server, calculates the access right to the corresponding resource based on the resource request and the result of the authentication checking, and relays the calculated access right and the resource request to the individual server. Upon receipt of the access right and the resource request, the individual server transmits the resource as a mobile code. A client machine receives and executes the mobile code, whereby an encryption access is made to the resource of the individual server included in an in-house network via the relay agent generated within the client machine.

Network connection controlling method and system thereof

Growing community of inventors

Kawasaki, Japan

Itaru Nakagawa