Abstract: A management server includes a processor and a storage that stores correlation information in which a category into which content is classified, location information, and an access frequency are correlated with one another. The processor acquires access information on an access from a wireless terminal to a content server via an access point and a network, a content requested by the wireless terminal, and location information corresponding to the accessed access point, updates the correlation information by rewriting the access frequency corresponding to a category to which the requested content belongs and the acquired location information, according to the access information, specifies a category and location information such that an access frequency related to the category and location information in the updated correlation information satisfies a criterion, and stores a content belonging to the category in a cache area of an access point corresponding to the location information.

Abstract: A communication device includes: processing circuitry and communication circuitry. The processing circuitry acquires first information related to one or more pieces of content cached in each of relay devices being capable of communicating with a server and are capable of exchanging any of the pieces of content cached therein with one another. The processing circuitry acquires a first content list including an identifier of each of a plurality of pieces of content stored in the server. The processing circuitry specifies, on a basis of the first information, an identifier of a piece of content cached in at least one of the relay devices among the first content list and generates a second content list including the specified identifier and second information indicating that the piece of content identified by the specified identifier is cached in at least one of the relay devices. The communication circuitry transmits the second content list.

Abstract: A storage device includes a storage unit, an interface that is physically connectable to a network, and a controller. The controller is configured to establish a first logical communication path via the interface in a first communication software layer, through which data is read from and stored in the storage unit, and a second logical communication path via the interface in a second communication software layer higher than the first communication software layer, through which meta information for controlling access to the storage unit is communicated.

Abstract: A management server includes a processor and a storage that stores correlation information in which a category into which content is classified, location information, and an access frequency are correlated with one another. The processor acquires access information on an access from a wireless terminal to a content server via an access point and a network, a content requested by the wireless terminal, and location information corresponding to the accessed access point, updates the correlation information by rewriting the access frequency corresponding to a category to which the requested content belongs and the acquired location information, according to the access information, specifies a category and location information such that an access frequency related to the category and location information in the updated correlation information satisfies a criterion, and stores a content belonging to the category in a cache area of an access point corresponding to the location information.

Abstract: A relay device relays a signal between a first network and a second network. The relay device includes a first circuitry to wirelessly communicate with a wireless terminal over the first network and communicate with a first relay device over the second network. The relay device includes a second circuitry to detect a communication request transmitted by the wireless terminal. The relay device includes a third circuitry to decide whether relay of object information corresponding to the communication request is able to be completed with the wireless terminal while the wireless terminal stays within a wireless communication range of the relay device, and causes the first circuitry to transmit a request signal to request to relay a part or a whole of the object information to the first relay device instead of said relay device when a result of decision indicates that the relay is not able to be completed.

Abstract: A communication device includes: processing circuitry and communication circuitry. The processing circuitry acquires first information related to one or more pieces of content cached in each of relay devices being capable of communicating with a server and are capable of exchanging any of the pieces of content cached therein with one another. The processing circuitry acquires a first content list including an identifier of each of a plurality of pieces of content stored in the server. The processing circuitry specifies, on a basis of the first information, an identifier of a piece of content cached in at least one of the relay devices among the first content list and generates a second content list including the specified identifier and second information indicating that the piece of content identified by the specified identifier is cached in at least one of the relay devices. The communication circuitry transmits the second content list.

Abstract: According to one embodiment, a data storage device includes: a first hardware storage device; a second hardware storage device in which write is done by an integer multiple size of a predetermined size. The data storage device writes data into the first hardware storage device in response to a write instruction of data having expiration information. The data storage device manages data management information including: the expiration information of data written into the first hardware storage device; and a storage location of the data. The data storage device selects, when a predetermined condition is satisfied, a plurality of pieces of data in the first hardware storage device based on temporal proximity among pieces of the expiration information, reads out the pieces of data from the first hardware storage device, and writes the pieces of data into the second hardware storage device.

Abstract: According to an embodiment, a communication apparatus includes a receiving unit, an obtaining unit, and an analyzing unit. The receiving unit is configured to receive first obtaining method information, which is sent by an information processing unit to a network and which indicates a method of obtaining first data from the network. The obtaining unit is configured to, on behalf of the information processing unit, obtain the first data based on the first obtaining method information received by the receiving unit. The analyzing unit is configured to extract, from the first data obtained by the obtaining unit, second obtaining method information that indicates a method of obtaining second data which needs to be obtained along with obtaining the first data. The obtaining unit also obtains the second data based on the second obtaining method information.

Abstract: In general, according to one embodiment, an information processing apparatus includes an issuer and a communicator. The issuer issues an offload instruction corresponding to a first process executed in company with a first identifier capable of uniquely specifying a resource of a first arithmetic operation device. The communicator transmits the offload instruction to a second arithmetic operation device and receives a result of execution of the offload instruction from the second arithmetic operation device. In the second arithmetic operation device, the first identifier contained in the offload instruction is converted into a second identifier capable of uniquely specifying a resource of the second arithmetic operation device, and processing specified by the offload instruction is executed.

Abstract: According to some embodiments, there is provided a communication device including: a processing unit and a notifying unit. The processing unit receives an acquisition request of first information from a requester and determines based on a predetermined condition whether or not the first information needs to be acquired from an acquisition destination of the first information. The notifying unit notifies a first response to the requester when the processing unit determines that the first information needs to be acquired, the first response containing an instruction of transitioning to a low power consumption status.

Abstract: According to one embodiment, an information processing device includes a first circuitry and a second circuitry. The first circuitry specifies information potential to be requested by an application and acquires the information over a network before the information is requested by the application. The second circuitry controls operation of the first circuitry based on a parameter value obtained by measuring a surrounding communication environment or an evaluation value depending on the parameter value.

Abstract: According to one embodiment, an information processing apparatus includes an execution controller. The execution controller acquires a communication request for requesting data communication with another communication apparatus and controls execution of the communication request by comparing an evaluation value with a threshold, the evaluation value being based on a parameter value obtained through measurement of a wireless communication environment. The execution controller changes the threshold so as to decrease or increase according to a lapse of time after acquiring the communication request.

Abstract: A relay device relays a signal between a first network and a second network. The relay device includes a first circuitry to wirelessly communicate with a wireless terminal over the first network and communicate with a first relay device over the second network. The relay device includes a second circuitry to detect a communication request transmitted by the wireless terminal. The relay device includes a third circuitry to decide whether relay of object information corresponding to the communication request is able to be completed with the wireless terminal while the wireless terminal stays within a wireless communication range of the relay device, and causes the first circuitry to transmit a request signal to request to relay a part or a whole of the object information to the first relay device instead of said relay device when a result of decision indicates that the relay is not able to be completed.

Abstract: According to one embodiment, a timing determining device used in a mobile terminal, includes processing circuitry. The processing circuitry performs a detecting process of whether the mobile terminal is positioned at a reference point being a point at which a predetermined condition is satisfied for the mobile terminal. The processing circuitry employs feasibility data representing relationship between an adequacy of a communication environment and elapsed time from a start time point at which the mobile terminal is positioned at the reference point, estimates elapsed time until the adequacy satisfies a communication condition since the mobile terminal is positioned at the reference point and determines a timing of evaluating the communication environment according to an estimated elapsed time. The processing circuitry determines whether to permit the mobile terminal to perform communication on basis of measurement of the communication environment at the timing determined.

Abstract: According to an embodiment, a communication device includes a receiving unit, an obtaining unit, and a transfer unit. The receiving unit receives acquisition information, which is sent from a general-purpose processor to a network and which represents information for obtaining data present on the network. Based on the received acquisition information, the obtaining unit obtains the data on behalf o the general-purpose processor. When processing unit data representing the data to be used in units of processing by the general-purpose processor is obtained, the transfer unit transfers the obtained processing unit data to the general-purpose processor.

Abstract: According to an embodiment, a communication apparatus controls controllable nodes. The apparatus includes an acquisition unit and a generation unit. The acquisition unit acquires at least one of a first evaluation value indicating an occurrence frequency of a control request to a target controllable node and a second evaluation value indicating an occurrence frequency of communication error at the target controllable node. The generation unit generates identification information to be assigned to control the target controllable node in a manner such that a bit length of the identification information becomes shorter as at least one of the first evaluation value and the second evaluation value increases.

Abstract: According to one embodiment, a communication apparatus includes a communication unit that performs radio communication with a corresponding apparatus. The communication apparatus includes a measuring unit that measures a communication state of the radio communication performed by the communicating unit. The communication apparatus includes a determining unit that determines appropriateness of data communication with the corresponding apparatus performed by the communicating unit, based on a plurality of parameters with respect to the communication state obtained by measurement made by the measuring unit.

Abstract: A remote activating device remotely activates a device to be activated connected to a first network and a second network. The remote activating device includes a first interface connected to the first network, a second interface connected to the second network, an arrival confirmation processing unit that transmits an arrival attribute confirmation signal to the device to be activated using the first interface and confirms whether or not the arrival attribute confirmation signal has arrived at the device to be activated, and a judging unit that decides the first interface as an activation signal transmitting interface when the arrival attribute confirmation signal has arrived at the device to be activated and decides the second interface as the activation signal transmitting interface when the arrival attribute confirmation signal has not arrived at the device to be activated.

Abstract: There is provided a processing apparatus, including: first and second processors; a first storage which data read or data write is done by one or more fixed-size blocks, data in each block having a sequential address; and a controller to control operation of at least one of the first and the second processors. One of the processors writes, to the first storage, first to N-th data pieces so that an ending address of an X-th data piece and a starting address of an X+1-th data piece are sequential. The controller sets the other processor in a low power consumption mode during at least a part of a period in which the one processor performs writing to the storage, and after that, the controller sets the other processor in a normal or active operating mode in which the other processor is capable of reading the data pieces from the first storage.

Abstract: According to one embodiment, a communication device includes a start-up signal reception unit that receives a start-up signal that a start node transmits for starting up a node to be started; a first interface connected to Ethernet; a second interface connected to Ethernet; a power reception unit that receives PoE power through the first interface; a PoE controller that receives the start-up signal and PoE power and gives a transmission instruction of a start-up power signal which is a PoE power signal having a signal pattern corresponding to the start-up signal; and a power transmission unit that receives the transmission instruction from the PoE controller and transmits the start-up power signal through the second interface.