20results about How to "Avoid packet loss" patented technology

The application relates to the technical field of communication, and provides a proxy routing method and system. The method comprises the following steps: establishing a connection with an optical network client based on a connection request sent by the optical network client; the connection request carries routing information of a user client; obtaining a target source IP according to the routing information; establishing a connection with a target server based on the target source IP; and routing to-be-accelerated data to a target GRE tunnel according to the target source IP, so that the to-be-accelerated data enters an acceleration access point through the target GRE tunnel, and then is routed to a target acceleration link through the acceleration access point. In the proxy routing method provided by the application, the to-be-accelerated data is transmitted from a proxy server cluster to an acceleration access point through a link most suitable for service requirements, and then is transmitted from the acceleration access point to a target acceleration link, and finally reaches a target server; the link is most suitable for user service requirements, and thus the quality is good, and the problems of packet loss and delay in the transmission process of the to-be-accelerated data are effectively avoided.

This application provides a data transmission method, a network interface card (NIC) for a data receiving end, an electronic device, and a storage medium. The data transmission method is applied to the NIC of the data receiving end. The NIC writes data to the host memory of the data receiving end via a bus. The data transmission method includes: if the bus bandwidth resources required for the NIC to write the target data to the host memory exceed the bus bandwidth resources available to the NIC, then writing a portion of the target data to the NIC's NIC buffer; the NIC buffer includes a first memory buffer configured for the NIC based on its on-chip memory and a second memory buffer configured for the NIC based on its onboard memory; the data sending end sends the target data to the data receiving end via remote direct memory access; and a portion of the data is written from the NIC buffer to the host memory. The solution of this application can better avoid data packet loss problems when facing sudden traffic surges.

The application provides a kind of transmission layer data packet management method based on fragmentation and reorganization, belong to computer network technical field.Each device includes a server and multiple clients;The process of the first device transmitting messages to the second device is as follows: multiple clients of the first device transmit messages to a sending queue;The server of the first device monitors the sending queue, fragments the message data packet to obtain multiple sub-packets;The server of the second device receives the sub-packets sent by the server of the first device, reassembles the sub-packets, and sends them to a receiving queue;The clients of the second device block and wait for messages from the receiving queue, filter messages by analyzing the identity field in the message header, and process data packets that match their own identity.This method dynamically adjusts the packet size based on the network environment state, avoiding the packet loss or truncation problem caused by MTU limitation on high latency links in the traditional fixed packet mode.

The invention relates to the technical field of gateway acceleration, and discloses a gateway intelligent acceleration method and system for cloud collaboration and terminal interaction. The method comprises the steps that a gateway collects hardware fingerprints, loads a drive through an insmod instruction, allocates a fixed cache and an elastic cache, establishes MQTT long connection to send a heartbeat packet, and receives edge nodes to establish pre-connection; the cloud receives a backbone network routing table UPDATE message through a BGP protocol, and generates a path instruction containing an edge node address; and according to the path instruction, the gateway forwards the data packet scheduled by the WRED to the edge node address and forwards the data packet to a game server through the edge node. According to the method, a real-time communication channel between the gateway and the cloud is established through MQTT long connection, the high-priority game flow transmission quality is preferentially guaranteed when the network is congested, packet loss of competitive games is avoided, it is guaranteed that game data packets are always transmitted along the optimal path, game delay is effectively reduced, and the stability and reliability of an acceleration system are improved.

The invention relates to a link rate adjustment method and device, equipment, a storage medium and a program product. The method comprises the following steps: sending a first transmission data packet to a second end at a first transmission rate; in response to the situation that the first transmission rate does not meet the transmission link requirement, a first rate control data packet is sent to a second end, and the first rate control data packet carries a rate switching request and information of a first target rate; receiving a second rate control data packet returned by the second end based on the first rate control data packet, wherein the second rate control packet carries rate switching response information and expected rate information; and in response to the expected rate being a first target rate, adjusting the rate of sending the first transmission data packet by the first end to be the first target rate based on the rate switching response information of the second rate control packet and the information of the expected rate. By adopting the method, data packet loss can be avoided.

This invention proposes a global parameter configuration method based on parallel discrete event multi-process simulation. This method achieves bidirectional handshake interaction between the host configuration software and the simulation platform software through a Socket transmission interface, mutually verifying the initialization status and automatically restarting the corresponding software initialization process in case of initialization errors. The simulation platform software aggregates all process local parameters and reports them to the host configuration software, which then generates a unified format global parameter file. After the simulation platform software sends a distribution request, the host configuration software distributes the global parameter files sequentially according to the process number. The simulation platform software collects the file reception identifier and process parameter configuration identifier of each process for hierarchical judgment, distinguishing between file reception failure and parameter configuration abnormality, and performs targeted retries for repair. After all processes pass verification, the parallel discrete event multi-process simulation is started. This invention solves the problems of complex global parameter configuration, difficult synchronization, and cumbersome fault handling in existing parallel simulations.

The embodiment of the invention provides a table item synchronization method and device for dual-gateway equipment and electronic equipment, relates to the technical field of communication, and is used for avoiding the problem of packet loss of reverse flow. The method comprises the following steps: receiving a first message; determining first indication data based on the first message, and sending the first indication data to a second gateway device; wherein the first indication data is used for indicating the second gateway equipment to determine target table item information; the second gateway equipment and the first gateway equipment are active gateway equipment; if second indication data from the second gateway device is received and it is determined that the first gateway device obtains the target table item information, a second message is sent to a downstream communication device; wherein the second indication data is used for determining that the second gateway equipment has obtained the target table item information, and the second message is determined based on the target table item information and the first message.

The application discloses a kind of financial special network optimization method and system for AI big model, it is related to communication network technical field.The method is by collecting AI business demand and network state, using the SID programming ability of SRv6, generates exclusive path strategy for AI training, inference and sensitive data flow;Real-time monitoring of computing power node load, link computing power state and network scheduling, realize the collaborative optimization of "network-computing power";Introduce the hop-by-hop path authentication mechanism based on dynamic authentication segment identifier Authen-SID, enhance the security of data transmission path;End-to-end visualization operation and maintenance and closed-loop feedback of service flow are realized by using stream detection technology.The application solves the problems of traffic scheduling mismatch, network and computing power collaboration deficiency, path security guarantee deficiency and weak operation and maintenance visualization capability in the prior art, realizes the deep adaptation of network resources and AI business demand, improves the computing power collaborative efficiency, path security and operation and maintenance intelligent level.

This invention provides a port status adjustment method, apparatus, computer-readable storage medium, and electronic device. The method includes: a first device acquiring a first message from a second device; the first device determining capability information of a first port based on first status information and the actual status of the first port read by the first device; and the first device activating the first port when the capability information matches the first capability information, thereby changing the state of the first port from an abnormal state to a normal state. This invention solves the problem of data loss caused by abnormal port states, thereby improving data interaction capabilities.

This application provides a roaming interference coordination method applied to a roaming terminal of a non-access point multi-link device (non-AP MLD), wherein the roaming terminal includes a first link established with a first multi-link access point device (AP MLD). The method includes: generating a downlink interference coordination frame, the downlink interference coordination frame including first link status information indicating the roaming device and the first AP MLD; and sending the downlink interference coordination frame to a second AP MLD, the first link status information being used by the second AP MLD for cooperative beamforming. This method can eliminate downlink data transmission interference between the second AP MLD and other site devices on the roaming terminal's reception, avoiding packet loss.

The invention relates to the technical field of data security, in particular to a data security protection method and system based on privacy computing, and the method comprises the steps: generating a global homomorphic key parameter of homomorphic encryption through a core node, issuing a public key in the global homomorphic key parameter, and determining a deterministic network transmission channel at the same time; acquiring plaintext data by utilizing an edge node, performing homomorphic encryption on the plaintext data by utilizing a public key and a locally generated random blinding factor, and packaging the plaintext data into a deterministic network message and sending the deterministic network message; the computing power network node receives a deterministic network message through the deterministic network transmission channel, aggregates a complete ciphertext obtained through analysis and sends the complete ciphertext; and the core node receives the aggregated ciphertext through the deterministic network transmission channel, decrypts the aggregated ciphertext by using a private key in the global homomorphic key parameter, and restores the aggregated ciphertext to obtain plaintext data. According to the invention, the phenomenon of network congestion or packet loss is effectively avoided, and the reliability of data transmission is improved.

This disclosure relates to the field of data processing technology, specifically to data acquisition methods, data display methods, data reporting methods, and apparatus. The data acquisition method applied to a server includes: determining the current network level based on the network conditions between the server and the mobile device; determining the current sampling rate corresponding to the current network level based on a preset correspondence between network levels and sampling rates; sending a sampling rate command to the industrial control computer (ICC) based on the connection with the ICC and the current sampling rate to control the ICC to acquire data based on the current sampling rate; receiving data reported by the ICC; and sending the data to the mobile device for display. This method enables the data acquisition frequency to adapt to the network conditions between the server and the mobile device, thereby effectively avoiding data redundancy or packet loss, ensuring the integrity and efficiency of data transmission, and thus improving the reliability of data display on the mobile device.

This invention discloses a method, apparatus, computer device, and readable storage medium for sending messages in the field of data transmission. The method includes: acquiring a target message and determining the current network transmission rate; if the current network quality is high, detecting whether an important message is being received or sent at the current moment; if an important message is being received or sent at the current moment, detecting whether the target message meets a preset discard condition; if the target message does not meet the preset discard condition, storing the target message in a preset storage space, and after a preset time interval, returning to the step of determining the current network transmission rate until the target message is sent. Based on this, this invention ensures that the sending of any message occurs under conditions of good network quality and without affecting the sending or transmission of important messages, enabling the rational scheduling of resources related to message sending.

This invention relates to a communication anti-interference method and a handheld vacuum cleaner. The handheld vacuum cleaner includes a first control unit and a second control unit. During signal transmission, the first and second control units perform the following steps: After receiving an operation command input by a user, the first control unit generates a communication signal according to the operation command; after generating the communication signal, the first control unit sends the communication signal to the second control unit using a first transmission method; or, the first control unit sends the communication signal to the second control unit using a second transmission method; the first and second transmission methods stagger the transmission of the communication signal and the drive signal. By staggering the transmission of the communication signal and the drive signal, this invention allows the effective communication information in the communication signal to avoid interference pulses during transmission, thereby completely solving the problem of communication interference, avoiding packet loss, and reducing costs.

The invention discloses a far-field communication parameter optimization method of a virtual shooting handheld terminal, which relates to the technical field of virtual shooting, and comprises the following steps: S1, comprehensively scanning a communication environment in a far-field area to obtain spatial data of signal strength, delay distribution and packet loss rate, and aiming at heterogeneity characteristics of different positions, calculating a far-field communication parameter of the virtual shooting handheld terminal; constructing an initial communication environment distribution map, and obtaining a preliminary division result of signal characteristics in the region; s2, according to the initial communication environment distribution diagram, performing space division on a far-field region by adopting a clustering analysis method, grouping positions with poor signal strength and unstable delay, and determining a plurality of sub-region sets with different communication requirements; according to the far-field communication parameter optimization method of the virtual shooting handheld terminal, the reliability and continuity of communication of the handheld terminal in the virtual shooting process are improved, the synchronization effect of a virtual picture and a real shooting picture is guaranteed, and then the overall stability and shooting quality of virtual shooting operation are improved.

The application provides a processing method and device of service routing, electronic equipment and computer program product, and belongs to the field of mobile communication. The method comprises the following steps: collecting end-to-end network topology information of a mobile communication network, generating a first matrix and a second matrix of candidate service routes; obtaining subscription information and network performance data of a remote operation device, calculating network quality scores of each candidate service route according to the subscription information and network performance data, and generating a third matrix; obtaining a fusion matrix based on the second matrix and the third matrix; performing network configuration issuing based on the fusion matrix according to each candidate service route, performing standard action testing under the configured network, calculating force feedback deviation, obtaining action deviation scores of the candidate service routes, and calculating comprehensive scores of the candidate service routes according to the action deviation scores and corresponding network quality scores; and selecting a candidate service route with the highest comprehensive score as an optimal service route.

The present application relates to the technical field of wireless communication, in particular to a wireless channel measurement time slot scheduling method under multi-wearable device concurrency. The present application periodically acquires the state and distance information of the intelligent wearable device through the base station, dynamically allocates the measurement priority, and determines the total measurement time slot quantity according to the priority. Time slot allocation is adopted, combined with the priority polling mechanism, to allocate non-overlapping AoA / CS measurement time slots for each device, and the starting time and duration are issued through the wireless control channel to guide the device to transmit the measurement signal in the corresponding time slot. The present application solves the wireless channel measurement conflict problem when multiple nodes concurrently access, and through orthogonal allocation and dynamic resource configuration, the balance between high-precision spatial perception and low-power consumption of small-sized wearable devices is considered while reducing the air interface signal collision.

This application relates to the field of wireless communication technology and discloses a method for implementing a network-free video transmission scheme, comprising the following steps: First, a distributed election algorithm is used to calculate a fitness score based on comprehensive performance parameters such as the remaining power and computing resources of nodes, electing a unique master control device; then, the master control device collects the neighbor list information of all nodes in the network, constructs a weighted global network topology graph, and calculates the optimal relay path with the lowest link cost for the video transmission task based on this topology graph; finally, the master control device generates and broadcasts a globally unified time-division multiple access (TDMA) time slot allocation table to accurately allocate conflict-free transmission and relay time slots to each node on the optimal path. This invention combines the flexibility of distributed election with the determinism of centralized scheduling, effectively avoiding network data collisions and significantly improving the reliability and real-time performance of video transmission in dynamic, network-free environments.

The invention discloses a single radio frequency Wi-Fi and Bluetooth intelligent cooperative scheduling method and device and electronic equipment, and relates to the technical field of wireless coexistence. The method comprises the following steps: acquiring a Bluetooth connection interval in real time; according to the connection interval and the Bluetooth communication time sequence requirement, dynamically distributing a Wi-Fi receiving and transmitting time sequence and a Bluetooth receiving and transmitting time sequence; in the Wi-Fi transceiving time sequence, dynamically calculating the aggregation length of Wi-Fi data frames according to the residual duration of the Wi-Fi transceiving time sequence, and dynamically aggregating the Wi-Fi data frames according to the aggregation length to obtain an aggregated data packet; controlling a Wi-Fi module to send the aggregated data packet and receive data, and controlling a Bluetooth module to stop working; and controlling the Bluetooth module to send and receive data and controlling the Wi-Fi module to stop working within the transceiving time sequence of the Bluetooth. According to the invention, the technical problems of low transmission efficiency and high packet loss rate when Wi-Fi and Bluetooth coexist in the prior art are solved.

The application discloses a segmented power supply AT traction network protection scheme and system based on correlation analysis, and belongs to the technical field of relay protection of railway traction network. Firstly, voltage data and current data of each section of the segmented power supply AT traction network are collected in real time; then, low-voltage protection is used as a starting criterion of the protection scheme to calculate correlation coefficients of currents on both sides of each section; finally, a fault identification criterion is constructed according to the correlation coefficients of the currents on both sides of each section, the section meeting the fault identification criterion is disconnected from circuit breakers on both sides to isolate the fault, and the section not meeting the fault identification criterion continues to collect data in real time. The protection scheme algorithm is simple, reliable and fast, the time from fault occurrence to sending a trip signal is about 150 ms, the fault section of the segmented power supply AT traction network can be quickly removed, normal power supply of the traction network in the non-fault section is ensured, the power cut range is reduced, and the requirements of selectivity and fast action of the segmented power supply AT traction network protection are met.