Patent application number | Description | Published |
20080222446 | STATUS DISPLAY CONTROL APPARATUS - an apparatus comprises a data display unit which causes a display device to output display data that indicates a drawing screen complying with the display request, a reliability decision unit which decides a legality of a transmission source of the display request, and which makes an output request for information capable of confirming a reliability of the display data that the data display unit causes the display device to output, on the basis of a result of the decision, and an output unit which outputs the information capable of confirming the reliability of the display data as complies with the output request from the reliability decision unit, separately from the display data that is caused to be outputted by the data display unit. | 09-11-2008 |
20080229106 | Information processing apparatus and data transmission method of information processing apparatus - An apparatus stores first divided trust information which is one portion resulting from division of trust information generated by a transmission target apparatus that is a transmission target for data, receives a transmission request for the data from the target apparatus and receives second divided trust information which is the other portion resulting from division of the trust information of the target apparatus and verification information generated using information indicating a state of the target apparatus that made the request, recovers the trust information using the first divided trust information stored and the received second divided trust information, verifies trustworthiness of the target apparatus using the recovered trust information and the received verification information, transmits the data indicated by the request to the target apparatus when the verification of trustworthiness is successful. | 09-18-2008 |
20090319519 | COMMUNICATION SYSTEM, COMMUNICATION DEVICE, AND COMPUTER PROGRAM - There is provided a communication system including a plurality of communication devices including first, second and third communication devices and performable of one-on-one communication with one another. The first communication device includes: a search request reception part receiving a search request for data from the second communication device; a determination part determining whether or not data relevant to the search request is retained; a search request transmission part transmitting, when the relevant data is not retained, the search request to the third communication device; a data reception part receiving the data relevant to the search request from the third communication device; a data transmission part transmitting, to the second communication device that has transmitted the search request, the data received by the data reception part. The first communication device relays the search request and the data from/to the second communication device and the third communication device. | 12-24-2009 |
20100017515 | RESOURCE MIGRATION SYSTEM AND RESOURCE MIGRATION METHOD - A resource migration system includes a plurality of servers. A first (second) server includes a first (second) main memory and a first (second) memory data manager. The first memory data manager manages a set of first data segments formed by copying a plurality of segments of first memory data stored in the first main memory. The second memory data manager receives resource data regarding the first data segments from the first server, determines whether each first data segment is able to be replaced by any of second data segments formed by copying a plurality of segments of second memory data stored in the second main memory, receives from the first server some first data segments which have been determined to be unable to be replaced by any second data segment, and reconstructs the set of first data segments with received first data segments and some second data segments. | 01-21-2010 |
20100023940 | VIRTUAL MACHINE SYSTEM - A virtual machine system includes a virtual battery manager, a discharge calculator, and a discharger. The virtual battery manager manages a virtual battery for running a virtual machine. The virtual battery holds electric energy used by the virtual machine. The virtual battery is capable of discharging and being charged. The discharge calculator calculates a discharged amount of the virtual battery by calculating energy consumption of the virtual machine with reference to a consumption policy and a consumption allocation table when a resource quota for the virtual machine satisfies a predefined condition for discharging. The consumption policy defines a maximum amount of total energy consumption of the plurality of virtual machines. The consumption allocation table contains an allocated ratio of energy consumption for each of the plurality of virtual machines. The discharger decreases a battery level of the virtual battery. | 01-28-2010 |
20100023941 | VIRTUAL MACHINE MONITOR - A mapping data generator determines a virtual page number of a virtual page where an executable code in an object file is mapped. A virtual page manager manages a virtual page record containing the virtual page number, a first object ID corresponding to the virtual page number, and a detection flag indicative of existence of another virtual page record containing a second object ID identical with the first object ID. A machine page manager manages a machine page record containing the first object ID, and a machine page number to which the virtual page number is mapped. A sharable page detector determines whether a detection flag indicates existence of another virtual page record containing the first object ID and determines whether a machine page number has been set. A page mapper maps a set machine page number to the virtual page number of the access page. | 01-28-2010 |
20100235835 | VIRTUAL MACHINE CONTROL APPARATUS, VIRTUAL MACHINE CONTROL METHOD, AND RECORDING MEDIUM THEREFOR - A virtual machine control apparatus that controls operations of a plurality of virtual machines, the virtual machine control apparatus includes a storing part that stores information in a memory used by an application program in a storage unit different from the memory, in association with a virtual machine subject to a suspending command, when the suspending command for the virtual machine in operation; and a selecting part that selects an application program to be preferentially resumed from the storage unit to the memory use area based on the information in the memory used by the application program which is stored in association with the virtual machine subject to the activating command, when the activating command for the virtual machine is accepted. | 09-16-2010 |
20100251254 | INFORMATION PROCESSING APPARATUS, STORAGE MEDIUM, AND STATE OUTPUT METHOD - An apparatus for controlling divided operation environments includes a first acquiring unit that acquires a first processing amount indicating an amount of hardware resources allocated to each of the operation environments, a second acquiring unit that acquires a second processing amount which varies depending on an application program executed by the operation environment, a calculating unit that calculates a third processing amount of each of the operation environments on the basis of a difference between the first processing amount of each operation environment acquired by the first acquiring unit and the second processing amount of each operation environment acquired by the second acquiring unit; and an output unit that outputs a state of each of the operation environments on the basis of the third processing amount of each operation environment calculated by the calculating unit and the second processing amount of each operation environment acquired by the second acquiring unit. | 09-30-2010 |
20110230231 | COMMUNICATION APPARATUS - A communication apparatus includes a plurality of virtual machines. The plurality of virtual machines include at least one virtual machine compliant with multiple caller number service and at least one virtual machine noncompliant with the multiple caller number service. One of the plurality of virtual machines includes a mode assignment information storage and a call mode writer. The mode assignment information storage stores mode assignment information indicating a call mode corresponding to each of the at least one virtual machine noncompliant with the multiple caller number service. The call mode indicates a caller number. The call mode writer obtains, upon receiving a call request from another virtual machine among the plurality of virtual machines, the call mode corresponding to the another virtual machine from the mode assignment information storage to write mode information specifying the obtained call mode in the received call request. | 09-22-2011 |
20110238947 | Memory management apparatus, memory management method and non-transitory computer readable storage medium - A memory management apparatus has an ASID conversion table, an actual ASID use table, and a TLB flush control section. The ASID conversion table and the actual ASID use table manage virtual ASID, actual ASID and an overlap flag so that they are related for each VM. The TLB flush control section reads actual ASIDs allocated to VM as a switching target at the time of switching VM as a switching source into the VM as the switching target, determines whether the read actual ASID is allocated to the plurality of VMs in an overlapped manner with reference to the overlap flag, and sets the actual ASID in the read actual ASIDs determined being allocated in the overlapped manner as a target for the TLB flush. | 09-29-2011 |
20120011506 | INFORMATION PROCESSOR, CONTROL METHOD, AND COMPUTER-READABLE RECORDING MEDIUM RECORDING CONTROL PROGRAM - A computer is provided with a measuring unit that measures elapsed time at a non-access state between one of the guest virtual machines and the devices as a non-access time with respect to each of the guest virtual machines accessing the devices via the device driver virtual machine; a storage unit that stores the operation profile information that matches the non-access time with the operation mode information representing the operation modes of the devices; a decision unit that decides the operation mode with reference to the operation profile information on the basis of the measured access time; and a transition control unit that transits the devices to the operation mode, so that this makes it possible to appropriately carry out power saving management of the devices not depending on a power saving function of the guest OS. | 01-12-2012 |
20120072669 | COMPUTER-READABLE, NON-TRANSITORY MEDIUM STORING MEMORY ACCESS CONTROL PROGRAM, MEMORY ACCESS CONTROL METHOD, AND INFORMATION PROCESSING APPARATUS - A method of causing an information processing apparatus to execute, the method including: performing a management procedure to accept addresses of respective page tables generated for each of operation modes from an operating system that manages the virtual address space and to associate the addresses with the operating system to be recorded in page table correspondence information storage; executing a control procedure to set a second access right indicating a value lower than the first access right in accordance with the operation mode of the operating system; and processing a processing procedure to cause the memory management device to execute a flush of a translation look-aside buffer, and to set the second access right indicating a value for validating the first access right, wherein the memory management device performs a control on the memory access while the second access right is prioritized over the first access right. | 03-22-2012 |
20120137292 | VIRTUAL MACHINE MIGRATING SYSTEM AND METHOD - A virtual machine migration method conducted in a virtual machine migration system that includes a virtual machine of a migration source computer and a migrating target computer. The migration source computer conducts processing to send host physical address information of an MMIO region corresponding to a device used by the virtual machine through directed I/O to a migration target computer, and to cause a connection target of the device to be switched to the migration target computer by a switching device that connects the device to the computers. The migration target computer conducts processing to allocate an MMIO region corresponding to the host physical address information sent by the migration source computer, to the device connected to the computers by the switching device. | 05-31-2012 |
20120198480 | INFORMATION PROCESSING APPARATUS, CONTROL METHOD, AND RECORDING MEDIUM OF CONTROL PROGRAM - An information processing apparatus includes a processor to execute a procedure, the procedure including executing first processing based on a first operating system and also executing second processing based on a second operating system; determining whether or not to perform a switching by the first processing based on the first operating system when input information processed into the first processing accords with a switching condition defined in the first operating system; and controlling subsequent input information to be processed into the second processing when performing the switching is determined. | 08-02-2012 |
20120239952 | INFORMATION PROCESSING APPARATUS, POWER CONTROL METHOD, AND RECORDING MEDIUM - A disclosed information processing apparatus includes a plurality of operating systems, a resource information storage part configured to store resource information including usage status information on hardware resources of the information processing apparatus, and a controller configured to specify at least one of the operating systems based on the resource information to report a resource release request of a desired one of the hardware resources to the specified operating system and receive a resource release report on the desired hardware resource from the specified operating system to control power associated with the desired hardware resource. | 09-20-2012 |
20120240112 | COMPUTER PRODUCT AND INFORMATION PROCESSING APPARATUS - A computer-readable recording medium stores therein a scheduling program that causes a computer to execute a process. The process includes executing multiple virtual computing machines that operate an OS; receiving a change in the number of activations of completely activated software from the OS; updating when the change in the number of activations has been received, a first table that stores software completely activated in the OS; selecting from a second table that stores combinations of a completely activated software group, a combination according to a software group stored in the first table; extracting from the second table and according to the selected combination, priorities of software stored for each of the combinations; and updating the priorities of the software stored in the first table to the extracted priorities. | 09-20-2012 |
20120252536 | MOBILE TERMINAL - A mobile terminal includes a display device and a processor. The processor acquires first display information about a first virtual machine. The first display information does not prompt a user operation. The processor displays the acquired first display information in a first display area on the display device. The processor acquires second display information about the first virtual machine. The second display information prompts a user operation. The processor displays the acquired second display information in a second display area on the display device. The processor determines, in response to an instruction for changing display, whether mixed display is allowed by referencing status information. The processor acquires, when the mixed display is allowed, third display information about a second virtual machine. The third display information does not prompt a user operation. The processor displays the acquired third display information in a third display area on the display device. | 10-04-2012 |
20120254866 | SYSTEM FOR MIGRATING A VIRTUAL MACHINE BETWEEN COMPUTERS - An I/O device performs data input and data output between the I/O device and first and second computers. An I/O switch relays input and output data between the I/O device and each of the first and second computers. A device emulator emulates the I/O device when a virtual machine running on the first computer and directly accessing the I/O device is migrated from the first computer to the second computer. A connection controller controls switching connection between any one of the first and second computers and any one of the I/O device and the device emulator. The first computer is connected to the I/O device and the second computer is connected to the device emulator until the virtual machine running on the first computer is stopped, and the second computer is connected to the I/O device after the virtual machine running on the first computer is stopped. | 10-04-2012 |
20130136320 | COMPUTER-READABLE RECORDING MEDIUM STORING AUTHENTICATION PROGRAM, AUTHENTICATION DEVICE, AND AUTHENTICATION METHOD - A computer-readable recording medium storing an authentication program for causing a computer to execute an authentication process, the authentication process includes: extracting a plurality of face information from an image acquired; when the plurality of face information include both first face information registered in authentication information and second face information not registered in the authentication information, registering the second face information in the authentication information; and if new face information extracted from new image is the second face information stored in the authentication information, determining that an authentication for the new face information is successful. | 05-30-2013 |
20130143544 | COMMUNICATION TERMINAL APPARATUS, COMPUTER PRODUCT, AND INCOMING CALL PROCESSING METHOD - A communication terminal apparatus includes a computer configured to receive an incoming call request from a caller device; identify a communication service requested by the caller device, based on the received incoming call request; retrieve from among a plurality of OSs running on the communication terminal apparatus and based on communication services processable by each OS included among the OSs, an OS capable of processing the identified communication service; and allocate the incoming call request to the retrieved OS. | 06-06-2013 |
20130198250 | FILE SYSTEM AND METHOD FOR CONTROLLING FILE SYSTEM - A file system includes a plurality of storage devices to store therein data transmitted from a first node, a plurality of second nodes connected to the first node through a first network, a second network, and a third node. The second network connects each of the plurality of second nodes with at least one of the plurality of storage devices. The second network is different from the first network. The third node manages a location of data, and notifies, in response to an inquiry from the first node, the first node of a location of data specified by the first node. Each of the plurality of second nodes writes, through the second network, same data into a predetermined number of storage devices from among the plurality of storage devices in response to an instruction from the first node. | 08-01-2013 |
20130246728 | INFORMATION PROCESSING APPARATUS - A processor determines whether a first program is under execution when a second program is executed, and changes a setting of a memory management unit based on access prohibition information so that a fault occurs when the second program makes an access to a memory when the first program is under execution. Then, the processor determines whether an access from the second program to a memory area used by the first program is permitted based on memory restriction information when the fault occurs while the first program and the second program are under execution, and changes the setting of the memory management unit so that the fault does not occur when the access to the memory area is permitted. | 09-19-2013 |
20140075456 | INFORMATION PROCESSING APPARATUS AND METHOD FOR CONTROLLING INFORMATION PROCESSING APPARATUS - An information processing apparatus includes a storage that stores first information and second information, the first information associating a content of a call to be issued from a first application with information on whether to cause a user to select any of second applications, the second information associating the content of the call to be issued from the first application with any of the second applications, and a processor that is configured to receive a call issued from the first application, determine whether the received call is associated with information to cause the user to select any of the second applications based on the first information, specify the second application associated with a content of the received call based on the second information when the received call is determined to be associated with the information to cause the user to select the second applications, and execute the specified second application. | 03-13-2014 |
20140115719 | INFORMATION PROCESSING APPARATUS AND CONTROL METHOD - An information processing apparatus includes a storage and a processor. The storage stores threat access information and resource information. The threat access information indicates a resource to which an access causes a threat to protection of data to be protected if the resource is accessed within a period from a starting to an ending of a first program that handles the data. The resource information indicates a resource to be accessed based on a second program. The processor is coupled to the storage and configured to control execution of the second program to prohibit an access to the data by the second program within the period in accordance with the threat access information and the resource information. | 04-24-2014 |
20140372528 | INFORMATION PROCESSING SYSTEM, INFORMATION PROCESSING APPARATUS, AND RECORDING MEDIUM - An information processing system includes first and second terminals which are in communication with each other via one or more computers on a network, so that a process of the second terminal is executed by the first terminal via the network. Further, the second terminal includes: an access proxy unit acquiring a request from the first terminal via the one or more computers on the network, constructing a process sequence corresponding to the acquired request, and outputting a process result corresponding to the constructed process sequence, and an execution unit executing a process corresponding to the constructed process sequence. | 12-18-2014 |