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156 results about "Network reduction" patented technology

Network reduction. The network reduction module is used to extract a sub part of a network, replacing the border lines, transformers, HVDC lines by injections. It is required to run a load-flow computation before trying to reduce it. The network reduction is relying on a NetworkPredicate instance, to define an area of interest (i.e.

Method and apparatus for conducting crypto-ignition processes between thin client devices and server devices over data networks

A crypto-ignition process is needed to establish an encrypted communication protocol between two devices connected by an insecure communication link. The present invention introduces a method of creating an identical secret key to two communicating parties is conducted between a thin device and a server computer over an insecure data network. The thin device generally has limited computing power and working memory and the server computer may communicate with a plurality of such thin devices. To ensure the security of the secret key on both sides and reduce traffic in the network, only a pair of public values is exchanged between the thin device and the server computer over the data network. Each side generates its own secret key from a self-generated private value along with the received counterpart's public value according to a commonly used key agreement protocol, such as the Diffie-Hellman key agreement protocol. To ensure that the generated secret keys are identical on both sides, a verification process is followed by exchanging a message encrypted by one of two generated secret keys. The secret keys are proved to be identical and secret when the encrypted message is successfully decrypted by the other secret key. To reduce network traffic, the verification process is piggybacked with a session request from the thin device to establish a secure and authentic communication session with the server computer. The present invention enables the automatic delivery of the secret keys, without requiring significant computing power and working memory, between each of the thin clients respectively with the server computer.
Owner:UNWIRED PLANET

Video processing method and system

The invention discloses a video processing method and system. The method includes the following steps that: a video file to be processed is obtained at a client end, and the video file to be processed is split into a plurality of segment files, and the plurality of segment files are compressed and are uploaded to a server; at the server end, after being received, all the segment files are de-compressed and stored in a distributed file system; the segment files of the video file to be processed are download and are compressed and decoded, and new segment files are stored in the distributed file system; and the segment files are merged to form a complete video file. According to the method of the invention, at the client end, the video file is split into the small files from a large file, and so that the video file can be segmented to form the segment files, and the segment files are uploaded, and therefore, transmission efficiency can be improved, and network traffic consumption can be decreased; at the server end, the plurality of small files are compressed and decoded under a cluster, so that processing time can be decreased. With the video processing method and system adopted, the video file can be played independently and can be played in a blocked and segmented manner, and therefore, and user experience can be greatly enhanced. The video processing method and system are applicable to the video playing field in complex environments.
Owner:NUBIA TECHNOLOGY CO LTD

Home gateway intelligent upgrading device and upgrading method

ActiveCN103281373ASolve the problem of low efficiency in the upgradeAvoid congestionData switching networksNetwork reductionFile server
The invention discloses a home gateway intelligent upgrading device and upgrading method, and relates to the technical field of home gateways. The home gateway intelligent upgrading device comprises a home gateway, a webmaster system, an upgrading server and a file server, wherein a server-side program of home gateway upgrading programs is deployed in the upgrading server and comprises various upgrading strategy files of the home gateway and relevant upgrading version information, the server-side program processes the information coming from the home gateway, upgrading strategies are recorded in an appointed configuration file, and the configuration file comprises comparison elements, comparison operational characters, comparison conditions and operation directions after the conditions are met. According to the home gateway intelligent upgrading device and upgrading method, upgrading commands are issued in batch through the webmaster system, and the situation that a large amount of upgrading operation is executed in a short period to cause network blocking can be avoided; by the adoption of the modularization upgrading mode, the network flow can be reduced, the upgrading efficiency is improved, user experience is strengthened, and maintenance cost of operators is reduced effectively.
Owner:FENGHUO COMM SCI & TECH CO LTD
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