13 results about "Internetwork protocol" patented technology

The present disclosure provides a serialization and deserialization method of an FPGA-based IPU acceleration service grid. The serialization and deserialization method of the FPGA-based IPU acceleration service grid comprises: determining all message objects of remote procedure calls to be sent and received; allocating a sending descriptor ring and a receiving descriptor ring and configuring a control register through a memory-mapped I / O operation; defining a message format of a remote procedure call through a domain-specific language for serialization and deserialization; when in a transmission mode, creating a sending descriptor and filling it into the sending descriptor ring; the FPGA obtains the sending descriptor from the sending descriptor ring and sends encoded data to a system-on-chip; and the system-on-chip sends the encoded data through a network transmission protocol. The embodiments of the present disclosure solve the problems of performance bottleneck, high delay and high CPU resource occupation in the prior art.

The application relates to the technical field of network security detection, and discloses a network transmission protocol intrusion detection method and system. The method comprises the following steps: collecting network transmission protocol data streams, extracting packet header features and payload features, and integrating to form an original feature set; classifying the original feature set according to protocol types, dividing different protocol clusters and marking corresponding identifiers; constructing a dynamic feature filter based on the protocol cluster identifiers, screening a feature subset associated with the current protocol cluster from the original feature set; inputting the feature subset into a protocol state analysis model, outputting a protocol state vector and an abnormal behavior probability distribution from the model; generating an intrusion detection result according to the two, and triggering a corresponding defense response instruction. Through protocol cluster classification and dynamic feature screening, the method adapts to different protocol characteristics, realizes accurate identification of protocol intrusion behaviors, and can be applied to various scenes relying on network transmission protocols.

The invention discloses an intelligent processing and storage method, system and device for machine room dynamic environment data combined with large model fine tuning, and the method comprises the steps: carrying out the grid division of the machine room dynamic environment data collected through a plurality of network transmission protocols through an intelligent grid segmentation method, and adjusting the size of a grid based on the use density of the grid; calculating the comprehensive score of each grid and the comprehensive score of each area to obtain a difference value between the comprehensive score of the grid and the comprehensive score of each area, and evaluating the performance state of the grid according to the difference value; and storing the processed data in a database, training a large model by using the processed data, performing first-stage fine adjustment and second-stage fine adjustment, storing the whole-process data, and performing regular backup. The system comprises a data acquisition and grid division module, a performance analysis module, a data caching module and a large model training and safety fine tuning module. According to the invention, high-efficiency collection, intelligent analysis and accurate control of machine room dynamic environment data are realized, and the intelligent level of energy efficiency management and the stability of system operation are effectively improved.

The application discloses a kind of satellite network transmission protocol timer adaptive adjustment method.For the problem that ACK feedback is extremely sparse in satellite network, leading to the difficulty of end-to-end delay estimation and timely convergence, the application obtains the delay cycle table of transmission path between any source-destination node pair based on the periodic topology link planning of satellite network, and maintains it locally in each node.During the connection establishment and operation of the transmission protocol, the transmission path delay of the current time window is obtained by searching the table in real time, and this is used as a reference to configure the time class timing parameters of the satellite network transmission protocol, and it is adaptively reconfigured when the delay cycle switches.The application makes the timer parameters of the transmission protocol consistent with the actual link, eliminates false timeout judgment and redundant retransmission, and improves the link utilization efficiency and end-to-end transmission performance.

The invention provides a serialization and deserialization method of an IPU acceleration service grid based on an FPGA (Field Programmable Gate Array). The serialization and deserialization method of the IPU acceleration service grid based on the FPGA comprises the following steps: determining all to-be-sent and to-be-received message objects called by a remote procedure; distributing a sending descriptor ring and a receiving descriptor ring, and configuring a control register through memory mapping I / O operation; defining a message format of the remote procedure call through a domain-specific language for serialization and deserialization; when in the transmission mode, the application creates a transmission descriptor and fills the transmission descriptor ring with the transmission descriptor; the FPGA obtains the sending descriptor from the sending descriptor ring and sends the coded data to a system-level chip; and the system-on-chip sends the coded data through a network transmission protocol. According to the embodiment of the invention, the problems of performance bottleneck, high delay and too high CPU resource occupation in the prior art are solved.

The application relates to the technical field of machine learning and computer networks, and discloses a federated training acceleration method based on an unreliable transmission protocol, which solves how to maximize the receiving rate of a complete layer under uncertain packet loss by designing a congestion feedback-based unreliable layer transmission algorithm; and guarantees the model precision of the federated training under parameter loss by designing a federated freezing training framework based on layer parameters. The federated training acceleration method based on the unreliable transmission protocol designs a wearable federated training acceleration technology based on the unreliable transmission protocol. The key idea is to directly ignore the network-side lost parameters instead of performing complex detection and retransmission operations on the network transmission protocol, so that the end-to-end network throughput is greatly improved; then, based on the parameter redundancy characteristics of machine learning training, the receiving end replaces the network packet loss with the previous round of parameters, and adopts a layer freezing training technology to realize high-precision training of the federated learning under parameter loss.

This application provides a method for transmitting video streams, an electronic device, and a computer-readable storage medium. The electronic device can be a smart screen or other device that includes video transmission interfaces such as HDMI and DP and is capable of acquiring online live streaming content. Whether the HDMI or other video transmission interface of the smart screen is in a working state or not, the original HDMI video stream can be copied, stored, and decoded to obtain the image data and / or audio data corresponding to the clean HDMI video stream. Then, the image data and / or audio data are standardized and encoded, and the HDMI video standard stream including image data and / or audio data is transmitted to devices such as mobile phones and tablets, enabling the devices to play HDMI video. This process shields the hardware differences between different electronic devices, can obtain customized video streams input from external devices, and, in conjunction with network transmission protocols, extends independent audio and video encoded data to other devices for playback.

The invention discloses a satellite network transmission protocol timer adaptive adjustment method. In order to solve the problem that end-to-end time delay estimation is difficult to converge in time due to extremely sparse ACK feedback in a satellite network, a time delay periodic table of a transmission path between any source and destination node pairs is obtained based on satellite network periodic topology link planning, and local maintenance is carried out on each node. In the connection establishment and operation process of the transmission protocol, the table is searched in real time to obtain the transmission path time delay of the current time window, the transmission path time delay is used as a reference to configure the time type timing parameter of the satellite network transmission protocol, and self-adaptive reconfiguration is carried out when the time delay period is switched. According to the invention, the timer parameter of the transmission protocol is consistent with the actual link, error overtime judgment and redundant retransmission are eliminated, and the link utilization efficiency and the end-to-end transmission performance are improved.

The invention discloses a simulation system and method for simulating an inter-satellite network transmission protocol, and the system comprises a data transmitting module and a data receiving module. Wherein the data sending module is used for intercepting and capturing a network data packet, converting the network data packet into an AOS protocol frame, filling the AOS protocol frame with preset transmission information and then sending out the AOS protocol frame; and the data receiving module is used for capturing the AOS protocol frame passing through the network interface, performing CRC (Cyclic Redundancy Check), extracting an IP (Internet Protocol) data packet from the AOS protocol frame subjected to CRC, and sending the IP data packet to the upper-layer application. According to the method, the simulation accuracy and practicability of inter-satellite communication are effectively improved.

The invention discloses a system for improving multi-user video call quality, which comprises a sending end and a receiving end, and is characterized in that the sending end encapsulates encoded audio and video media data and signaling data and sends the encapsulated data to the receiving end through a network transmission protocol; after receiving the data, the receiving end completes de-encapsulation to obtain corresponding audio and video media data or signaling data; the receiving end collects network indexes of the local end in real time and periodically sends the network indexes to the sending end through a second data transmission and processing module; related information received by a first data transmission and processing module of the sending end is processed by a first network index processing module to extract corresponding network index information; on a sending end device, network index information collected by a first network index processing module in real time is transmitted to an intelligent decision engine module in real time, the intelligent decision engine module dynamically adjusts a communication strategy, and then the intelligent decision engine module dynamically adjusts the redundancy proportion of forward error correction (FEC) coding, a packet loss retransmission strategy and coding quality.

The invention relates to the technical field of IPTV, and discloses an IPTV platform access method and device, an operation management platform and a storage medium, and the method comprises the steps: employing a network transmission protocol, packaging a request identifier, a capability label and a compliance identifier, generating a service request, initiating the service request to an access gateway, and sending the service request to the access gateway; receiving a resource list returned by the access gateway according to the service request; and performing format conversion on response data returned after each preferred IPTV platform executes the data calling request to obtain conversion data corresponding to each preferred IPTV platform, integrating the conversion data corresponding to each preferred IPTV platform to generate a data acquisition result of the cross-platform request, and returning the data acquisition result to the IPTV user equipment. According to the method and the device, the data acquisition result can be acquired from the plurality of IPTV platforms through one operation management platform in a scene that the plurality of IPTV platforms are accessed, so that the data acquisition efficiency can be improved.

The invention relates to the field of forestry information management, in particular to a forestry information sharing method and system based on multi-source data fusion and a storage medium, and the method comprises the following steps: classifying multi-source data according to data types and importance, compressing raster data, fragmenting and structuring pattern spot data according to administrative divisions; associating the sample plot data with the pattern spot identification code and removing redundancy; a hybrid architecture is established, a core data master node adopts three-copy backup, general data slave nodes are subjected to fragmentation storage according to types, and a multi-dimensional index is established; data transmission is carried out by adopting a multiplexing network transmission protocol, data is updated based on differential transmission, and a transmission bandwidth is dynamically allocated; dividing a basic role and a special role, setting an authorized IP white list, and encrypting and transmitting secret-related data; and the RESTfulAPI shared by multiple departments is published. The data fusion precision and sharing convenience are synchronously improved, and efficient and safe technical support is provided for integrated general survey.

The application discloses a network transmission protocol networking supervision system and method based on UDP, relates to the technical field of network supervision, and comprises a protocol sequencing end, an instruction simplification end and a protocol calling end. The protocol sequencing end is used for collecting data protocols of UDP data packets in real time and sequencing and arranging the data protocols received in real time. The instruction simplification end is used for integrating multi-channel network protocols into a unified model instruction, setting a model to simplify multi-channel instructions in real time. The protocol calling end is used for detecting the real-time state of network protocol sequencing in real time when the instruction protocol is normal, tracking whether the network protocol sequencing is repeated in real time, and matching corresponding network protocols according to a deviation value to call protocols when the instruction protocol is abnormal. The network transmission protocol networking supervision system and method based on UDP can guarantee the order of data packets, can quickly simplify instruction operation, and is beneficial to quick calling and rewriting in network deployment.