Patent application number | Description | Published |
20090165115 | Service providing system, gateway, and server - A large-scale content delivery system may be achieved, which may send a large amount of contents without intensive management of the contents in the server. In a service providing system where a client, a service gateway, and a server are connected to each other through a network, the client sends a first message to the server by way of the service gateway. The service gateway inquires a processing method of the first message from the client of the server by using a second message that includes a part of the first message content. The server replies to the inquiry of the processing method from the service gateway with a program that describes the processing method, and the service gateway processes the first message from the client on the basis of the received processing method. | 06-25-2009 |
20090185784 | VIDEO SURVEILLANCE SYSTEM AND METHOD USING IP-BASED NETWORKS - A technique capable of preventing an increase in the load of a system and a IP-based network that perform both a process of transmitting information in real time and a process of storing and searching history information and of improving the scalability of the system. A video surveillance system includes: plural cameras that capture images; a monitoring apparatus that displays the images captured by the cameras; an information generating apparatus that generates information for searching the images captured by the cameras; and a search apparatus that searches the images captured by the cameras. The information generating apparatus acquires the images captured by the cameras, generates retrieval data from the acquired images, and transmits the generated retrieval data to the search apparatus. The search apparatus stores the retrieval data received from the information generating apparatus in a storage device, and notifies the monitoring apparatus that the retrieval data has been stored. | 07-23-2009 |
20100033576 | DATA DELIVERY DEVICE - A data delivery device that switches picture data to be delivered so that pictures different in quality can be efficiently grasped without missing information of a high importance level is provided. The data delivery device receives picture data from multiple cameras through a network using a picture reception program. It determines whether or not to display each image frame of the picture data by accumulating the frequency of viewpoint switching or the importance level information of an image from each viewpoint by a picture selection program. In addition, it delivers a selected image frame through an interface by a picture transmission program. The display time for each frame is varied according to the importance level information of the image to enhance the viewability of an important frame. | 02-11-2010 |
20100194894 | DATA ACQUISITION SYSTEM AND TRANSMISSION CONTROL DEVICE - A transmit-side transmission control device for sending data generated by a data generator device to a data utilization point receives and retains notification of the allowable data transmission quantity from a receive-side transmission control device, and adjusts the data quantity sent from the data generator device so as to fit within that allowable data transmission quantity range, and/or when a request is issued to change that data transmission quantity, the receive-side transmission control device is notified of that allowable data transmission quantity change request. The receive-side transmission control device retains the respective allowable data transmission quantities for transmit-side transmission control device, and when a change request is issued, reallocates the allowable data transmission quantities for all transmit-side transmission control devices to fit within the data processing load range stored beforehand within the data utilization point, and notifies the corresponding transmit-side transmission control device of these reallocated allowable data transmission quantities. | 08-05-2010 |
20110035437 | Gateway System and Control Method - A gateway system for distributing requests from multiple terminals to multiple first servers includes a second server device and a name resolution device wherein: an address generating function for generating an IP address from a character string is distributed to the name resolution device, and multiple specified IP addresses are registered in the second server devices; when the name resolution device receives a first request for resolving a name, the name resolution device extracts the access destination URL from the first request, generates an IP address from the character string of the host name of the extracted URL by utilizing the address generating function, and sends the generated IP address to the terminal; and when the terminal sends a second request setting the access destination of the URL for the first server device, to the second server device where the IP address is registered, the second server device transfers that transmitted second request to the first server device based on the URL of the access destination. | 02-10-2011 |
20110276982 | Load Balancer and Load Balancing System - In a system including a load balancer to select a virtual server to which a request is to be transferred, the load balancer includes a function to monitor resource use states of physical and virtual servers and a function to predict a packet loss occurring in a virtual switch. The request count of requests processible by each virtual server is calculated based on the resource amount available for the virtual server and a packet loss rate of the virtual switch, to thereby select a virtual server capable of processing a larger number of requests. | 11-10-2011 |
20120166657 | GATEWAY SYSTEM, GATEWAY DEVICE, AND LOAD DISTRIBUTION METHOD - A gateway system comprises a first packet relay device and a plurality of gateway devices. The first packet relay device determines the gateway device serving as a destination of a packet based on destination information of the packet. The gateway device determines a gateway device in charge of processing the packet based on transmission source information of the packet, and if the gateway device in charge of processing the packets is other gateway device, the gateway device transmits this packet to this other gateway device. | 06-28-2012 |
20120254409 | Network System and Communication Log Analyzer - This invention provides an apparatus that associates a location where a terminal uses communication or travel route in use of the communication, with a connection destination of the terminal. The apparatus includes a communication log analyzer that aggregates communication logs collected by network apparatuses that constitute the mobile network and analyzes it. The communication log analyzer estimates travel route of the terminal connected the network using: log information generated by a base station to be connected to the terminal at the time of starting the connection, log information generated by a base station to be connected to the terminal at the time of a handover of the connection, and log information generated by a base station connected to the terminal at the time of detaching the connection. | 10-04-2012 |
20130205011 | SERVICE PROVIDING SYSTEM - In a system with a terminal sending a request, when a load distributing unit distributes the request to many service providing apparatuses, the load distributing unit becomes a bottleneck of performance and/or a single point of failure. When the load is distributed to the service providing apparatuses without using the load distributing unit, a particular function is required on the terminal side to appropriately select one of apparatuses. A name resolution unit including an address group management table with IP addresses to select, for a request from a terminal, an address from the table to return the address to the terminal and a plurality of service providing apparatuses to which at least zero IP address selected from the table is allocated without duplication are arranged such that each service providing apparatus is allocated with IP addresses according to processing performance thereof, thereby conducting appropriate load distribution. | 08-08-2013 |
20130246541 | DATA STORING METHOD USED FOR DATA STORE SERVER IN MAILING SYSTEM - A method in which a mail server for receiving mails manages sequence management information that records the sequence of mails stored in a data store server and the times at which a mail server sends the mails to a destination server, wherein the sequence management information is so managed as to satisfy the two conditions: one is to make not greater than a predetermined number the number of entries in any one of respective pieces of the divided sequence management information resulted by dividing the sequence management information into a plurality of pieces, each entry being included in each divided sequence management information piece and defined as a combination of key having the mail body of a certain mail as its value, and the time at which the certain mail is sent to the destination server. | 09-19-2013 |