38results about How to "Reduce bandwidth load" patented technology

The invention relates to a data packet transmitting method and a device of virtual machine network, wherein the method comprises analyzing and obtaining source host machine IP address and source virtual machine MAC address and storing to a data base when a physical network card is monitored to be provided with a data packet which is to be transmitted to a local virtual network card, analyzing and obtaining a destination virtual machine MAC address when the virtual network card is detected to be provided with the data packet which is to be transmitted to network, judging whether the destination virtual machine MAC address is broadcasting MAC address or not, if the destination virtual machine MAC address is broadcasting MAC address, calculating and obtaining a multicast IP address as a destination host machine IP address, if not, inquiring in the data base and obtaining IP address as destination host machine IP address, if the address can not be found, then, calculating the multicast IP address as the destination host machine IP address, and setting the destination host machine IP address into the data packet. The device comprises a module for executing the method. The invention adopts a unicast and multicast combined mode to transmit data in virtual machine network, lowers bandwidth load, and improves the transmission efficiency of the data packet.

System and method of intelligent surveillance and analysis mainly used for monitoring whether a field has an intrusion object (such as a thief), and instantly providing video or image of the suspected intruder to approved relevant individual (such as the house owner) for further confirmation of the presence of the intrusion object (such as thief); therefore, the wrongful determination by the computer is avoided. The aforementioned system includes, first the determination and extraction of the contour of the suspected intrusion object, then the continuous tracking of the suspected intrusion object according to the contour, continue capturing of images using the camera, and then storing these captured video temporarily, and finally notifying the house owner using the highest definition image of the video which occupies a lesser amount of bandwidth through various communication channels once the presence of thief is determined; the video is downloaded using higher bandwidth, and is played.

A building control system is described that includes a building controller and a bridge. The building controller may control one or more portions of a building control system and may communicate with the bridge over a wired network. The bridge may be coupled to the building controller and may be configured to communicate with other remotely located building controllers via a wireless network. The bridge may provide a link between the wired communication of the local building controller and the wireless communication of the remotely located building controllers. The bridge may include a cache memory for storing data received from remotely located building controllers. In some cases, the data stored in the cache memory may be requested and received in advance of the data being requested by the local building controller.

There is provided a stream transmitter for generating and transmitting a digest stream that is a single stream into which digests, each having a predetermined time length, cut out from the respective plurality of video contents stored in a contents storage are combined. This configuration allows a user to view the digest stream, which collects the digests of the respective contents, and select a desirable program by viewing each digest.

The invention discloses an image display method, including obtaining the update window information according to the layer information required to update when the image displays the update; reading in the layer image information according to the updated window information; storing the image information to the buffer storage after being processed; controlling the display device to display the image information of each layer stored in the buffer storage after being processed. The invention also discloses an image display device. The invention can reduce the power waste for reading the image meanwhile reduce the cost of the storage.

The invention relates to a content and network fused anycast routing system located in a network environment comprising an edge network and a kernel network. The system comprises a mapping server, an edge router and servers. The edge router is provided in the edge network at a junction of the edge network and the kernel network. The mapping server is located in the edge network. The servers are disposed in the edge network. In the edge network, routing is performed based on local identifiers, and anycast is based on routing. In the kernel network, routing is performed based on global position symbols, and anycast is based on querying. The mapping server is used for storing load conditions of the servers and providing server copies, used for describing the load conditions of the servers, to the edge router. The edge router acquires the server copies, selects the optimal one from the server copies, transmits customer demands to the optimal server and performs global position symbol and local identifier conversion for the customer demands.

According to embodiments of the present invention, an apparatus method and system of remote printing is provided. A server connected to a client via a network is operable to host execution of an application for a client, to receive the user-input from the client via the network, and to send user-output to the client via the network. The server receives a print request from the client, which is included in the user-input. The server then generates a universal printer file from the application, based on the print request, and transmits the universal printer file to an electronic mail system for delivery of the universal printer file to a destination specified by the client, for example as an attachment to an email message.

The invention provides an image pushing method, an image acquisition method, an image pushing device, an image acquisition device and an image processing system, and relates to the technical field ofimage processing. The image pushing method applied to image acquisition equipment comprises the following steps: acquiring a to-be-detected frame image; Performing target detection on the frame imageto obtain a bounding box of a target object contained in the frame image; Generating position parameters of the bounding box based on the position of the bounding box in the frame image; And pushing the frame image and the position parameter of the bounding box to a server, so that the server pulls out the image determined by the position parameter from the frame image based on the position parameter of the bounding box. According to the invention, the hardware resource occupancy rate and the bandwidth load capacity of the snapshot identification machine can be effectively reduced.

The invention discloses a task migration method and system of an underwater ad hoc network based on an edge gateway. The method comprises the steps of selecting the edge gateway used for task migration management; adding sensor node information to a resource manager of the edge gateway; arranging the sensor node information by the edge gateway to form priority ranking of the nodes in the resourcequeue; arranging the task information of the original sensor nodes in a descending order by the edge gateway according to task priorities and puts the task information into a task queue of a task manager, and selecting an optimal task cooperation node; and migrating the task to the task cooperation node through the edge gateway for task calculation, and sending a calculation result to the originalsensor node. According to the method, the underwater self-organizing network node sends the collected seabed heterogeneous data to the nearest edge gateway, and the edge gateway migrates the task ofthe resource-limited node to the node with rich resources for cooperative completion, thereby balancing the network load, reducing the node energy consumption, and improving the marine data observation efficiency.

The invention relates to the technical field of intelligent management of oil production wells, and discloses an oil well full-life-cycle management method and system of a side cloud architecture, and the method comprises the steps: a unique data source collection intelligent controller is used for managing full-service chain data in the full-life-cycle of an oil well in an oil field, and data attributes with an oil well number as a unique identifier are established; collecting and recording all dynamic production and maintenance measure data of the oil well; establishing an oil well data management cloud platform based on the block chain; the intelligent unit calculates to obtain oil well characteristics, oil well data and the characteristics are stored in the cloud platform, and the cloud platform encrypts the stored data; the user terminal sends the unified data identification code to the cloud platform, the cloud platform sends corresponding encrypted data to the user terminal, and the user terminal decrypts the data and displays a statistical chart. According to the oil well full-life-cycle management method, edge calculation of collected data is completed through an intelligent unit, and oil well data collection, calculation, storage and management based on an edge cloud architecture are achieved.

The invention relates to a resource request method, a DHCPv6 server and a resource allocation system. The method includes a DHCPv6 server of the sixth version of the Dynamic Host Configuration Protocol sending a first notification message to a DHCPv6 client, the first notification message carrying a first resource status indication; the first resource status indication carrying a specified A status code indicating that no resources are available within the time; so that the DHCPv6 client sends a resource request message after the specified time. The present invention carries the specified time in the notification message, so that the client sends the solicit message after the specified time; reduces unnecessary message interaction overhead between the client/server, reduces network bandwidth load, and avoids constant Handle a large number of invalid request packets to relieve server processing pressure.

The invention relates to a method of detecting a speaker in an ACT telephone conference. The method includes a step 101), a step 102) and a step 103). The step 101) is that in the ACT telephone conference, an audience list is maintained at a conference participant end. The conference participant is informed that a speaking node is arranged as the emerging information of a new speaker by using a broadcast way when the new speaker emerges in conference participants. The step 102) is that the notice is replied by using the maintained audience list after the audience receives the information. Specific information of the new speaker node is inquired by a request packet delivered by an audience node. The step 103) is that the request packet delivered by all audiences is replied by the stored speaker list by the new speaker node. The conference participants comprise all the audiences and all the speakers. According to the detection method of the speaker in the telephone conference based on NDN, the audience is informed passively that the new speaker emerges, thus the expenditure of a listen-in user in the telephone conference is saved. Useless flow transferring of a network is reduced. A network bandwidth load is relieved. The network transferring efficiency is effectively improved.

The present invention is to provide a network connection method applicable to a network system including a client device and a plurality of source devices, wherein the client device is connected to the Internet through a first connection route (e.g., a power-line network or a cable network) and a second connection route (e.g., a WiFi wireless network) respectively so as to establish a connection channel with each source device, and the client device is able to analyze a data packet received from the source device to determine whether the data packet contains highly delay-sensitive data (e.g., audio/video data and communication data) or delay-insensitive data (e.g., webpage data). When it is determined that the data packet contains highly delay-sensitive data, the data packet is transmitted to the client device through the first connection route which is more stable than the second connection route, otherwise, through the second connection route instead.

A video reproduction apparatus comprises a decoding control unit 1207 for controlling a decoding process on the basis of header information, to which an instruction for repetitive display of image is inputted; a protection processing unit for calculating a position of a coded image data stream on a coded image data stream storage buffer 1202 on the basis of a position of the coded image data stream on a decoding target input buffer 1204, which position is supplied from the decoding control unit 1207, and protecting the coded image data stream so as not to be overwritten with another coded image data stream; and a coded image data stream transfer unit 1203 for performing retransfer of the coded image data stream on the basis of the position of the coded image stream on the decoding target input buffer 1204.

The invention relates to a remote interaction method and system. Multiple user devices log in a same servo motor, and the servo motor recognizes and allots online between the user devices; a servo host or one of the user devices builds a sharing surface, and a sharing object is built on the sharing surface; the sharing object is transmitted to one or more specified user devices; the user devices execute an interaction program so as to build virtual surfaces respectively; when one user device conducts input on the interaction program, the input is captured through the virtual surface of the user device, and the input is objectified; the objectified input is transmitted to one or more specified user devices; the virtual surfaces of the user devices display the received sharing object and the objectified input on the interaction program in a superimposing mode. The aims of achieving remote interaction and reducing the bandwidth load are achieved.

The invention discloses a P2P stream media playing system and method. The P2P stream media playing system comprises source nodes, transcoding nodes and non-transcoding nodes, wherein the source nodes distribute the raw multimedia data required for media playing; the transcoding nodes perform multimedia transcoding operation on the received raw multimedia data to obtain the transcoded multimedia data, and send the transcoded multimedia data to the non-transcoding nodes according to the data requests of the non-transcoding nodes; and the non-transcoding nodes receive the transcoded multimedia data, and play the corresponding multimedia information according to the transcoded multimedia data. According to the invention, while receiving the data requests of the non-transcoding nodes, the transcoding nodes with the function of transcoding perform transcoding on the received multimedia data and obtain the multimedia data type meeting the need of the data request nodes, so that the non-transcoding nodes do not need to obtain the multimedia data of the type from the source nodes. Therefore, according to the invention, the bandwidth load of the source nodes can be reduced by means of the transcoding service of the transcoding nodes.

A hardware optimization method for a CPU comprises the following steps: (1) hardware of a system is designed, wherein the system comprises a master controller, a storage controller, an external bus interface and other modules; (2) a burst region is set, wherein the burst region and a non-burst region in an internal storage can be set simply through a burst address editor; (3) a burst mode is used, wherein the burst mode can be started when the length of data is larger than 32 bits. The hardware optimization method for the CPU has the advantages that the hardware optimization method is completely compatible with an X86 instruction set, and a burst read-write region can be configured entirely to conduct segmented optimization of data read-write; with respect to hardware deign, a peripheral circuit is not added, the number of logic gates of the CPU is rarely increased, and therefore the cost of the system is not affected; the execution time of an instruction is greatly shortened, and the number of bus visit times of the CPU is reduced; the hardware optimization method can be popularized to the CPU design of other CISC or RISC instruction sets, thereby being wide in application range.

The invention discloses a method for quickly establishing an internet network connection with reduced bandwidth consumption. Used components include a TN (Terminal Node), a TMS (Terminal Management Service) and a DTS (Data Transmission Service); and the TN includes a DT (Service Terminal) and a UT (User Terminal). The TMS is accurately matched with a network transmission path among the UT, the DTand the DTS, so that the UT and the DT are guaranteed to establish a stable data transmission channel quickly via the DTS, thereby finishing a first forwarding connection between the UT and the DT; and after the UT and the DT establish and finish a forwarding data transmission channel at a fastest speed, while device data are transmitted, network parameters between the UT and the DT are switched by virtue of the transmission channel to start a P2P direct-connected channel, so the bandwidth load of the DTS is reduced, and thus the bandwidth cost of the DTS is reduced.