86results about How to "Avoid packet loss" patented technology

The invention discloses a low-orbit satellite communication link switching method based on deep learning, relates to the technical field of satellite communication link switching, and aims to solve the problem that the switching effect is poor when a low-orbit satellite communication link is switched. According to the method, switching strategy reasoning is carried out by utilizing the powerful computing and learning capabilities of the neural network model, different link environments can be automatically adapted, the accuracy and flexibility of switching decision making are improved, a switching strategy comprises link selection, switching opportunity and switching conditions, and the switching strategy is expressed through a probability value, a classification label or a numerical value, so that the accuracy and the flexibility of switching decision making are improved. According to the technical scheme, various possible switching schemes can be provided, if the operation process or performance of link switching does not reach the expected standard, link switching is carried out again according to the switching strategy, the link switching can be ensured to be in the optimal state all the time through the continuous optimization and adjustment process, and the overall performance and stability of a communication system are improved.

The invention discloses a smart watch motion data real-time synchronous transmission system, relates to the technical field of data transmission, and solves the problems of data delay accumulation, signal packet loss, sensor data drift and the like through cooperation of a delay evaluation module, a data retransmission management module and a data calibration module. The delay evaluation module records the start time Tsta and the end time Tend of each transmission in real time, calculates an accumulation delay coefficient Llx and compares the accumulation delay coefficient Llx with a delay threshold value Lq so as to trigger a delay alarm; the data retransmission management module detects the packet loss number Dbz through a packet loss statistical calculation unit, and adaptively adjusts a retransmission strategy in combination with a retransmission evaluation unit to ensure the transmission integrity; the data calibration module calculates a sensor drift coefficient Spxs according to a temperature fluctuation factor Te, a noise interference factor En and a historical offset factor Ho, compares the sensor drift coefficient Spxs with a threshold drift Q, automatically adjusts reference parameters of the sensor, and ensures data precision and system stability.

The invention provides a load balancing method, a data processing method, a data returning method and electronic equipment, and belongs to the technical field of computers. The method comprises the following steps: determining a first processor core, a second processor core and a target data stream based on load information, session information and packet receiving information of a plurality of processor cores at the current moment; modifying a field value of a redirection field in target session information of the target data stream on the first processor core to obtain first session information of the first processor core; adding a first stream forwarding rule in the first processor core; and when determining that the first data packet to be processed at the next moment belongs to the target data stream based on at least one of the first session information and the first stream forwarding rule, migrating the first data packet from the first processor core to the second processor core. According to the method, the data flow on the processor core with high load is migrated to the processor core with low load for processing, so that the performance of the processor is improved, and a packet loss phenomenon is avoided.

The invention relates to the technical field of communication adjustment, and discloses a communication system and method for diabetes outpatient service user management, and the system comprises an acquisition module which is configured to acquire real-time communication data of a plurality of communication devices in a diabetes management system; and the judgment module is configured to obtain network parameters of each communication device, and is further configured to determine a communication fluctuation value according to a relationship among the historical communication data. The prediction module is configured to predict a communication performance change trend of each communication device in a preset time period based on the long short-term memory network, and generate a prediction threshold. The control module is configured to dynamically adjust the communication path according to the relation between the real-time communication fluctuation value and the prediction threshold value. The encryption module is configured to dynamically encrypt the adjusted communication path and data. The communication efficiency of diabetes outpatient service user management can be improved by collecting the communication data in real time, predicting the performance change trend, dynamically adjusting the communication path and encrypting the protection data.

The invention provides an on-cloud available area network packet loss processing method, system and device and a medium, and the method specifically comprises the steps: respectively deploying a plurality of detection nodes on each on-cloud available area network, and obtaining the multi-dimensional network packet loss index data of each on-cloud available area network according to the detection nodes; processing the multi-dimensional network packet loss index data of all the detection nodes of each on-cloud available area network by adopting a weighted fusion algorithm to obtain a network packet loss comprehensive score of each on-cloud available area network; and determining a network packet loss score threshold value of each on-cloud available area network according to the network area division, the service type and the time period configuration parameters, and determining whether a network packet loss fault event occurs in each on-cloud available area network by comparing the network packet loss comprehensive score and the network packet loss score threshold value of each on-cloud available area network. The packet loss monitoring accuracy and comprehensiveness of the complex network in the cloud environment are effectively improved.

The invention relates to the technical field of computers, in particular to a data transmission method and device and electronic equipment, and is used for effectively reducing the packet loss rate of a network. According to the embodiment of the invention, multimedia data is transmitted to a receiving end; on the basis of feedback information of the receiving end, when it is determined that the transmission quality of the multimedia data does not meet a set standard, triggering each data packet to be transmitted to be repeatedly transmitted; wherein after the repeated transmission is triggered, for each data packet to be transmitted, the following operations are executed: obtaining at least one target retransmission parameter corresponding to one data packet; determining a corresponding quantization strategy according to the at least one target retransmission parameter, and performing quantization processing on one data packet by adopting the obtained at least one quantization strategy to obtain at least one retransmission data packet after quantization processing; and based on the data size of the at least one retransmission data packet, sending the data packet and the at least one retransmission data packet to a receiving end by adopting the corresponding bandwidth occupation amount.

The invention discloses a network card performance tuning method in a cloud network environment, and relates to the technical field of cloud network management. Comprising the steps of 1, setting IRQ affinity, 2, adjusting interruption regulation and control of a network card, 3, setting the size of an annular buffer area of the network card, 4, adjusting rx hash fields of RSS, setting the hash fields of the RSS, selecting queues of the network card according to hash of a source IP and a destination IP, dispersing incoming network data packets into different receiving queues, modifying RSS hash values of a TCP and a UDP, and sending the modified RSS hash values to the network card. And step 5, using iperf3 to carry out network testing on each item of setting, and evaluating and further optimizing each item of setting according to a test result.

The invention provides a data sending method and device, equipment and a medium, and relates to the technical field of data transmission, in particular to the technical field of artificial intelligence. According to the implementation scheme, multiple pieces of sample data used for training a neural network model are obtained, and each piece of sample data comprises a first identifier capable of indicating the importance degree of the sample data; for each piece of sample data in the multiple pieces of sample data, in response to determining that the first identifier of the sample data is a first value, sending the sample data to a model reasoning service in which a neural network model instance runs, so that the model reasoning service can train the model instance based on the sample data; and in response to determining that the first identifier of the sample data is a second value, sending the sample data to a buffer module, so that the buffer module can send the sample data to a model reasoning service when a preset condition is met, and the importance degree of the sample data indicated by the first value is higher than that of the sample data indicated by the second value.

The present invention relates to the field of network data transmission, and in particular to an unstable link adaptive data transmission method. The present invention obtains several data packets to be transmitted and pre-detects each data packet; determines the association specificity characterization value according to the association strength and data volume of each data packet to set the priority label for each data packet; creates a transmission queue for determining the transmission order at the transmitting end based on the priority label, and sends each data packet to the receiving end through a predetermined transmission link; after receiving the data packet, the receiving end transmits back the verification data packet, determines the link stability characterization parameter based on the discrete amount of the return time of the verification data packet and the mean value of the return time, and determines whether the transmission link enters an abnormal stage; in response to the transmission link being in an abnormal stage, adopts a guaranteed transmission; the present invention can adaptively adjust the transmission mode and transmission rate for the data packet in the unstable link, thereby ensuring the transmission stability and transmission efficiency.

The present invention discloses a message transmission method, system, switch, medium and product, and relates to the field of communication technology. According to the current bandwidth utilization of the network link, the remaining bandwidth utilization is determined, and then the network link priority is obtained by sorting the network link according to the current remaining bandwidth utilization. The network link priority is related to the path congestion degree. The higher the network link priority, the lower the path congestion. Based on the number of queues, the number of network links and the corresponding message priority and network link priority, the actual flow of the message is added, and the high-priority message is fully allocated to the path with lower congestion to avoid packet loss. At the same time, combined with the actual flow of the message, the allocation path is more accurate, and the reliability and security of the allocation path are improved.

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.

The embodiment of the present invention provides a traffic processing system and method, which relates to the field of communication, wherein a receiving module receives data, an on-chip cache module stores the data, a queue number generating module generates a queue number for the data, and sends the data to the corresponding queue. Based on the number of descriptor information sent to each queue and the length threshold corresponding to the queue, the descriptor information exceeding the length threshold is added to the DMA queue. The queue scheduling module schedules the descriptor information in different queues based on the scheduling rule. The data output module receives the descriptor information, obtains the corresponding data to be processed from the on-chip cache module based on the descriptor information, and outputs the data to be processed. The external large-capacity cache particles are used to temporarily store the data corresponding to the descriptor information in the DMA queue. This avoids packet loss when burst traffic occurs.

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 discloses a configuration method and device of an IPSEC network, and relates to the technical field of communication networks. The configuration method of the IPSEC network uses a method of filling IPSEC values ​​with an extended community attribute of BGP. Since the BGP protocol is established based on a TCP connection, and the TCP connection is reliable and can ensure the data sequence, the custom extended community attribute of BGP is adopted. The IPSEC Client extracts IPSEC parameter information according to the filling value of the first 6 bytes of the Update message, notifies the IPSEC module to automatically send down the corresponding IPSEC configuration parameters, and sends down the IPSEC policy enable of the interface, triggering the establishment of the IPSEC tunnel, so as to realize the automatic sending down of the IPSEC configuration of the CPE end, and the problem of packet loss during the SA aging process can be avoided by the filling value of the last 4 bytes of the Update message.

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 embodiment of the present application discloses a message forwarding method, which is applied to the BIERv6 multicast network. Specifically, when the first network device forwards the first message, if the first path fails, the first network device obtains a first segment list indicating the second path, and the second path is a backup path for the first path. Among them, the first message includes a first target address, and the first target address is used to indicate the second network device, and the first network device is a bit forward router (BFR), and the second network device is the next-hop BFR of the first network device on the first path. After the first network device obtains the first segment list, it can update the first message to obtain a second message including the first segment list, and forward the second message to the second network device via the second path. It can be seen that using this method, when an intermediate link in the multicast network fails, it can switch to a link without a fault to forward multicast messages, thereby avoiding long-term packet loss of multicast messages.

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.

The utility model provides a data storage device for a photoelectromagnetic imaging device and a photoelectromagnetic brain function imaging device. The data storage device is portable and includes a first interface, a processing unit, a storage module, and a second interface. The first interface is configured to be removably connected to an acquisition device instead of a terminal, and is used for receiving first photo-electromagnetic data generated by the acquisition device in real time. The processing unit is electrically connected with the first interface to obtain first photoelectromagnetic data, and processes the first photoelectromagnetic data to obtain second photoelectromagnetic data. The storage module is used for storing the second photo-electromagnetic data. The second interface is configured to be removably connected to the terminal rather than the acquisition device to transmit second photo-electromagnetic data stored within the storage module thereto. The data storage device is portable, can receive the first photo-electromagnetic data generated by the acquisition device in real time, and has the advantages of being stable in data transmission, convenient to operate and easy to plug and unplug.

The embodiment of the invention provides a load balancing method, a storage medium and an electronic device, and the method comprises the steps: obtaining a plurality of groups of performance monitoring information of a plurality of pieces of receiving equipment and data packet information of at least one to-be-processed data packet when cluster equipment changes, the to-be-processed data packet is a to-be-processed data packet of the changed cluster equipment; according to the multiple groups of performance monitoring information and the data packet information, a priority list of the target data packet is constructed, the target data packet is a to-be-processed data packet, and the priority list comprises processing priorities of multiple receiving devices on the target data packet; and determining a target receiving device of the target data packet from the plurality of receiving devices according to the priority list. According to the embodiment of the invention, the problem of resource waste or packet loss easily caused by a load balancing algorithm in related technologies can be solved, load backlog or packet loss caused by online and offline of equipment is avoided, and the performance and stability of a system are improved.

The invention discloses a congestion avoiding method and system based on a multipath transmission control protocol, and relates to the technical field of XX. The method comprises the following steps: performing MPTCP path detection on a data packet reaching a data layer, if an MPTCP path does not exist, generating all path substreams between a source host and a target host, and adding the path substreams into an MPTCP path list; sequentially executing congestion detection on the path substreams in the MPTCP path list until non-congestion path substreams are detected; and transmitting the data packet through the non-congested path sub-stream. According to the invention, congestion and pre-detection are carried out before data packet transmission, and if any congestion condition occurs, the member controller is indicated to re-route the flow through the next continuous sub-flow in the MPTCP path list, so that congestion can be avoided, packet loss can be reduced, and the data transmission rate and throughput can be improved.

The invention relates to the technical field of mobile communication, and particularly provides an Internet of Things card positioning method and device, equipment, a storage medium and a program product, and the method comprises the steps: obtaining a current Internet of Things card parameter used for representing the movement frequency of an Internet of Things card under the condition that a user positioning request for the Internet of Things card is detected; and when the current Internet of Things card parameter is less than or equal to the positioning threshold, taking the historical positioning data of the Internet of Things card as a response result of the user positioning request. If the current parameter of the Internet of Things card is smaller than or equal to the positioning threshold, the movement frequency of the Internet of Things card is small, the historical positioning data of the Internet of Things card can be directly used as the response result of the positioning request at the moment, and the real position of the Internet of Things card does not need to be obtained according to the positioning process of a 3GPP communication protocol; according to the invention, the positioning access amount of the Internet of Things card with small moving frequency is reduced, the resource waste is reduced, the situation of packet loss or untimely feedback is prevented, and the system performance is guaranteed.

The embodiment of the present application provides a data processing method, device and medium based on PCIe P2P, the method comprising: according to the correspondence between the FPGA board and the GPU device, transmitting the data to the GPU device through the PCIe bus between the FPGA board and its corresponding GPU device; calculating the data through the GPU device to obtain the corresponding data processing result; transmitting the data processing result to the back end through the PCIe bus between the GPU device and the network card; determining the device type communicating with the NVMe SSD, and storing the data or the data processing result in the NVMe SSD through the PCIe bus between the NVMe SSD and the device type, so as to solve the problem that the traditional PCIe data transmission method usually requires data to move back and forth between the device and the host memory, resulting in a certain delay and system load.

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 invention provides a data transmission method, electronic equipment and a computer readable storage medium, and relates to the technical field of data processing. The data transmission method comprises the following steps: in response to a data transmission request of a client for a target service, obtaining the type of the target service; searching a mapping relationship between the service type and a maximum segment length MSS value, and determining an MSS value corresponding to the type of the target service as an MSS value of a transport protocol stack layer; determining the length of a data message corresponding to the data transmission request according to the MSS value of the transmission protocol stack layer; and transmitting the data message to the client according to the length of the data message. According to the technical scheme provided by the invention, the MSS value of the transmission protocol stack layer can be dynamically adjusted based on the type of the target service, so that the data transmission requirements of different types of services can be met.

The present invention discloses a method for preventing packet loss in a stacking system, which is applicable to a virtual switching unit VSU, wherein the VSU includes multiple switching devices, and the method is applied to the switching device in the VSU, and the method includes: when a first switching device senses that a topology change occurs in the VSU, a first forwarding configuration is generated according to the changed topology; it is determined whether the configuration status of other switching devices in the VSU stored by the first switching device has an initial state INIT; when the configuration status of the other switching devices does not have INIT, the first forwarding configuration is sent to the hardware to take effect; when the configuration status of the other switching devices has INIT, the first forwarding configuration is cached. The embodiment of the present invention can solve the problem of disconnection or packet loss caused by topology changes in the VSU.

The invention provides a call packet loss processing method, system and device and a medium, and the method comprises the steps that a server responds to handshake request information sent by a user side, returns handshake response information to the user side, and caches the handshake response information to a cache region of a soft switch platform; the server responds to message anomaly detection, obtains target response information of a cache region from the soft switch platform and resends the target response information to the user side to confirm a handshake state; and the server responds to handshake confirmation information sent by the user side and returns server handshake ending information. According to the invention, the probability of DTLS handshake failure caused by the loss of the target message can be reduced through the cache region, and the success rate of DTLS handshake in the Vo IP system and the reliability of connection are improved, so that the problem of packet loss of the network call of the call center is solved.

The embodiment of the invention relates to the technical field of network communication scheduling, in particular to a time-sensitive network-oriented transmission queue hybrid scheduling method, which comprises the following steps of: dividing a system scheduling period into a time-aware shaping scheduling period and a credit shaping scheduling period; for different network end systems, transmission time slots occupied by queues with the same priority and adopting time-aware shaping scheduling are set to be mutually exclusive, and transmission time slots occupied by queues with the same priority and adopting credit shaping scheduling are set to be shared; adding scheduling starting moments to the credit scheduling shapers of the transmission queues of the different network end systems, and setting the scheduling starting moments of the different network end systems to have a preset interval; the time-aware queue of each network end system transmits data by using the time-aware shaping scheduling time period, and the credit shaping queue transmits data by using the credit shaping scheduling time period. According to the method, delay jitter of service data exchange can be reduced, and the certainty of multi-service data stream hybrid transmission is improved.

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 invention relates to a mouse signal processing method and device, computer equipment, a readable storage medium and a program product. The method comprises the following steps: acquiring a mouse signal of a client based on a relatively low target sampling frequency, loading the mouse signal to a cache queue, acquiring an interpolation signal sequence of the mouse signal by adopting a cubic spline interpolation algorithm based on the cache queue and a preset number of interpolation points, and responding to the client according to the interpolation signal sequence. A mouse signal with a lower refresh rate is transmitted through a network, so that the frequency of sending the mouse signal by a client is reduced, the load on the network is further reduced, packet loss of the mouse signal is prevented, and the low-frequency mouse signal is interpolated through a cubic spline interpolation algorithm to obtain an interpolated signal sequence, so that the refresh rate of the mouse is improved, and the service life of the mouse is prolonged. And a smoother mouse sliding animation and a smoother game picture can be generated.