1415 results about "Datagram" patented technology

The invention relates to the technical field of synchronization in data communication, and provides a PTP protocol-based chip-level hardware timestamp generation method and system, and the method comprises the steps: 1, receiving a synchronization message and a delay request message from a main clock, carrying out the evaluation of a physical layer signal, and recording a first hardware timestamp; 2, responding to the received delay request message, generating and sending a delay response message, acquiring bidirectional transmission delay data by exchanging the delay request and the delay response message, and calculating clock skew in combination with the first hardware timestamp and the bidirectional transmission delay data; 3, adjusting the local clock frequency according to the clock skew; 4, after the synchronization is completed, associating the second hardware timestamp with the corresponding data message, and storing the associated data in a buffer area in the chip; and 5, generating standardized timestamp information, and outputting the standardized timestamp information through a chip interface. And high-precision time synchronization and timestamp generation are realized.

The invention discloses a financial data automatic filling method and device, equipment and a storage medium, and belongs to the technical field of big data. The method comprises the following steps: determining a data source corresponding to original financial data by using a pre-trained data classification model; acquiring a data processing rule engine and a target data filling template matched with the data source; performing data cleaning on the original financial data based on a data cleaning rule; performing data analysis on the standardized data by using a data analysis rule; performing association relation extraction on the target data source field and the target filling field by using a data mapping rule, and performing data field mapping according to the field association relation; and according to a data field mapping result, filling the target data source field into the target data filling template to generate a financial data report. The invention further relates to the technical field of block chains, and financial data are stored on the block chain nodes. According to the method and the device, the applicability and the operation convenience of automatic filling and reporting of financial data in a multi-source data scene are improved.

The invention provides a data transmission optimization method and system based on a satellite channel congestion scene, and belongs to the technical field of satellite communication, and the method comprises the steps: classifying service data, and obtaining different types of data messages; reporting the cache state report to a satellite master station; receiving uplink communication resources distributed by the satellite master station, wherein the uplink communication resources are sent after being distributed by the satellite master station based on the cache state report; determining a channel transmission state of the satellite terminal station based on the uplink communication resources and the service volume in the transmitting cache region; scheduling and sending each type of data messages according to the transmission priorities of the different types of data messages; the transmission priority is determined based on a channel transmission state. According to the invention, in a satellite channel congestion scene, key messages are scheduled preferentially by dynamically adjusting the transmission priorities of different types of data messages, so that the communication efficiency and reliability are improved under limited resources.

Embodiments of the present disclosure provide a fuzz testing method, an electronic device, and a computer readable storage medium. The fuzz testing method comprises: acquiring a data packet; generating a protocol rule tree model on the basis of the data packet; generating a test case on the basis of the protocol rule tree model; sending the test case to a device under test; and determining a test result on the basis of response information of the device under test.

The embodiment of the invention provides a message transmission method and device, a terminal and switching equipment, the method is applied to a sending terminal, the sending terminal records entropy values, path quality values and polling period values of a plurality of paths between the sending terminal and a receiving terminal, and the method comprises the following steps: selecting the polling period value as a first preset period value from the plurality of paths, the path quality value is a path with a first preset quality value; in the current polling period, polling the selected path to obtain a first path; filling the entropy value of the first path into a source port field of a to-be-transmitted first data message to obtain a second data message; and sending the second data message to the receiving terminal, so that the switching equipment receiving the second data message transmits the second data message to the receiving terminal according to the entropy value included in the second data message. According to the scheme, the problems that the congestion degree of the path is aggravated and the performance is sharply reduced due to the fact that the data message is guided to the congestion path can be solved.

The invention discloses an anti-drowning early warning system of a self-adaptive dynamic virtual electronic fence, and aims to solve the problems that an existing anti-drowning early warning system cannot adapt to water level changes and early warning lags behind. The virtual electronic fence setting module is used for setting static and dynamic virtual electronic fences, identifying and analyzing personnel behaviors and controlling alarms; the data acquisition module is used for acquiring environment data information and video monitoring information; and the data storage module is used for storing data, alarm information, virtual electronic fence setting information and water level change information of the virtual electronic fence according to the water level change adjustment range. The system is based on real-time detection of a YOLOv8 model and is combined with a virtual electronic fence technology, has the characteristics of high-precision identification, low-delay response, field environment adaptability and the like, can effectively reduce the occurrence rate of drowning accidents, and is a set of intelligent, efficient and convenient-to-maintain system.

The invention relates to the technical field of data processing, in particular to a report generation method and device based on a large model and electronic device.According to the report generation method and device based on the large model, report generation information input by a user is obtained, a target data model needing to be queried and query conditions are accurately positioned, and an SQL query statement is automatically generated through the large model debugged through a business model; the target data model is directly queried, the data required by the report is quickly obtained, and after the user instruction is received, the large model immediately generates the target report, so that the instantaneity requirement of the service is met, and the report can be ensured to flexibly adapt to the data analysis requirement of a new service scene; and the intelligence level and the service adaptability of report generation are integrally improved. According to the report generation method based on the large model, flexible and changeable data requirements of services can be quickly responded, the data obtaining and processing efficiency is improved, the data analysis requirements of new service scenes are effectively met, and therefore the data report generation problem in the prior art is solved.

The invention belongs to the technical field of communication, and particularly relates to an NFC (Near Field Communication) encrypted IMS (IP Multimedia Subsystem) server security data exchange method, which comprises the following steps of: in response to a near field communication connection event, acquiring an original service data message of service equipment to be opened and physical environment data monitored when the event occurs, forming a seed data set, executing Hash operation to generate an initial data fingerprint, and sending the initial data fingerprint to a server; and generating a symmetric session key through a key derivation algorithm by combining a device identifier in the original service data message, so as to encrypt the original service data message, packaging an encrypted data packet and the initial data fingerprint into a transmission data packet, sending the transmission data packet to an IMS server, reconstructing the session key by the server based on expected service parameters stored locally, and sending the session key to the IMS server. According to the method, decryption verification of the encrypted data packet is carried out, and service opening is executed after the verification is passed, so that deep binding of an encryption process and data integrity verification is realized, and the security of data exchange and the system processing efficiency are improved.

The invention relates to the technical field of communication security, in particular to a communication encryption method and device, equipment, a storage medium and a computer program product. The method comprises the following steps: dynamically generating a main session key between two communication parties based on a preset key negotiation protocol; dynamically generating sub-keys according to a preset time interval based on the main session key and the key sequence; performing encryption processing on each data block in the communication data stream based on the sub-key and the encryption strategy; generating a message authentication code for each encrypted data block; adding timestamp information based on the message authentication code, and introducing a random offset into the timestamp information; and the encrypted data blocks, the message authentication code and the timestamp information are packaged into the target data message, so that the transmission security of the communication data is improved.

The invention discloses a malicious traffic message interception and retention method based on threat intelligence, and the method comprises the following steps: S1, importing a threat intelligence data set, generating an intelligence label dictionary, and caching the intelligence label dictionary; s2, receiving a network data packet through a traffic mirroring device or an acquisition probe, and aggregating the network data packet into a traffic aggregation object based on a quintuple; s3, modeling and recording a state transition sequence based on a protocol state machine; s4, detecting a state transition sequence by using the information label dictionary, and identifying potential malicious traffic; s5, extracting data messages corresponding to the key nodes to form an extracted message set; s6, grouping according to the information labels and encrypting by using an improved AES symmetric encryption algorithm to generate an encrypted message file; s7, constructing an index data table containing a quintuple, capture time and an information label, and associating the index data table with the encrypted message file; and S8, storing the encrypted message file and the index data table in a separated storage system, and updating the index data table regularly. The method and the device are suitable for a threat-driven encrypted message processing scene.

The invention provides an intelligent self-adaptive RDMA message processing method for power grid data transmission, and the method comprises the steps: S1, obtaining parameters, carrying out the initialization of a credit line value and a retransmission priority, and creating a data transmission task; s2, sending the data message to a second RDMA network card of an opposite terminal device through the first RDMA network card; after receiving the data message, the second RDMA network card generates a corresponding response message and sends the response message back to the sending end; s3, analyzing the response message, determining the type of the response message, and storing correctly received data; s4, performing error detection and retransmission processing by analyzing the PSN serial number of the RDMA message; and S5, dynamically adjusting and optimizing the credit line and the retransmission priority of the data message. According to the method, resource allocation can be dynamically optimized according to the real-time state of the network, priority transmission of high-priority data including power control instructions and the like is ensured, and the transmission efficiency and reliability of key data are remarkably improved.

The invention provides a communication method and a communication device, and the method relates to the technical field of communication, and the method comprises the steps: a first UPF receives a first data message, the first data message comes from a first terminal, the first data message is a data message of a first group of services, the target IP address of the first data message is a first IP address, and the target IP address is a second IP address; the first IP address is a large network IP address of the second terminal, and both the first terminal and the second terminal sign a first group of services; and a second data message is sent to a second user plane function UPF, the second UPF is the UPF of the park where the second terminal is located, the second data message is generated based on the first data message, the target IP address of the second data message is a second IP address, and the second IP address is obtained based on the first IP address. The second IP address is a private network IP address applied by the second terminal based on the first group of services. Based on the method, the service access delay of the terminal can be reduced.

The invention discloses an OpenCSG intelligent data processing platform comprising a data acquisition and integration module which can acquire data from various data sources and perform standardization and cleaning processing on the data according to the format and structure of the data; the data analysis module is used for analyzing the data by adopting an OpenCSG large model technology and generating a data labeling result; the data output and application module can send a data labeling result to a user and / or other application programs and generate a dynamic interactive data report according to demand information input by the user; and the security and conformity block can be used for encrypting the data and automatically detecting whether the data processing process meets the requirements of preset laws and regulations or not. According to the method, through automatic labeling driven by the large model, the workload of manual labeling is greatly reduced, and the efficiency of data labeling is remarkably improved. And meanwhile, a high-precision labeling result can be generated, and the method is suitable for various types of labeling tasks.

The invention discloses a data acquisition method, system and device for automatically identifying sensor modules, a medium and a product, and relates to the technical field of sensor control, the method comprises the following steps: detecting acquisition identification ID messages of the sensor modules, the number of the sensor modules being a plurality; when it is detected that the identification ID message is obtained, an identification ID is sent to a target sensor module, so that the target sensor module is in communication connection; sending a synchronous trigger pulse to the target sensor module, and performing data acquisition; and detecting a data message carrying the identification ID, determining a sensor module for acquiring data according to the message data, and acquiring the acquired data. Identification, connection and synchronous data acquisition processes of the sensor modules can be automatically completed, and the problems that parameters need to be manually configured in a traditional data acquisition system and sampling needs to be reset when the sensor modules are replaced are effectively solved.

Methods and apparatuses for improving network packet transmission performance in terms of latency with reduced packet retransmission times and fewer packet drops in congested networks are provided. Packet-switched networks can experience long delays while waiting for out-of-order packets or re-transmissions of lost packets. In addition, network faults such as transmission path failures can result in excessive delay while attempting to find a new route over which to transmit packets. To improve packet transmission performance, application data may be encapsulated into first network packets by a first transport protocol having an interface exposed to the application, in the first network packets may be encapsulated into second network packets according to a second transport protocol. The second transport protocol can enable the second network packets of a same packet flow to be transmitted across multiple paths over the network.

The invention discloses an intelligent data report generation system and method based on a large language model, and relates to the field of computer software and artificial intelligence. A natural language processing module in the system is used for analyzing user requirements and judging whether a data source of the user requirements is a data storage module or an enterprise knowledge base module; the database query module is used for generating structured data of the SQL statement query data storage module; the database query module queries a database; the knowledge document retrieval module retrieves unstructured data of the enterprise knowledge base module; the knowledge document retrieval module retrieves a knowledge base by using an RAG technology; the report generation module is used for generating a visual chart according to a user demand and a query result; the data storage module is used for storing the structured data and the generated visual chart; and the enterprise knowledge base module stores the vectorized unstructured knowledge document. According to the method, the data report making and querying efficiency and accuracy can be improved.

The embodiment of the invention provides a cross-node data transmission method and a related device, which are applied to a relay node of a centerless network. Receiving a routing diffusion message sent by the adjacent node, authenticating the routing diffusion message according to node one-way authentication information in the routing diffusion message, and if an authentication result is that the routing diffusion message is sent by the adjacent node, establishing a corresponding relationship between the adjacent node and the challenge information; and a data message sent by the adjacent node is received subsequently, the data message is verified according to the challenge information corresponding to the node, if the data message is sent by the adjacent node, the data message is updated, a forwarding message is obtained, and the forwarding message is sent to the next hop node. In the process, two adjacent nodes do not need to be subjected to bidirectional authentication, the number of times of bidirectional authentication is reduced, the relay node forwarding the data message does not need to decrypt and encrypt the forwarded data, and energy consumption and transmission delay of the nodes are reduced.

The present application provides a congestion control method, which can be applied to a data center. The method is applied to a source device. The source device comprises a plurality of queues. The method comprises: transmitting a plurality of probe packets, wherein the plurality of probe packets are used for probing, for the plurality of queues, allocated bandwidth on a target path between the source device and a destination device; receiving a plurality of acknowledges from the destination device, wherein the plurality of acknowledges are used for indicating available bandwidth probed by the plurality of probe packets, and the available bandwidth is bandwidth capable of being used for transmitting data packets in the plurality of queues among the allocated bandwidth; and transmitting the data packets in the plurality of queues to the destination device by using the available bandwidth. According to the solution provided in the present application, by simply using a set of probe packet resources for probing, the data packets in the plurality of queues can be transmitted, and there is no need to configure a set of resources for probing for each queue, reducing the resources used for probing, and reducing the probability of congestion on the target path from the source.

Method for transmitting time-critical data within a communication system, wherein selected datagrams are assigned to data streams and transmitted from first communication devices to second communication devices on paths containing third communication devices, where a superordinate communication controller ascertains a respective path for a respective data stream and, in the event of sufficient availability, reserves resources transmission of the respective data stream via the third communication devices, configures at least third communication devices, connected to a first or second communication device, such that datagrams assigned to data streams are each queued in transmission queues reserved for data streams and otherwise configures at least the third communication devices, connected to a first or second communication device, in each case at least temporarily such that datagrams assigned to selected data streams are queued in a transmission queue for data traffic handled without a specific quality of service guarantee.

The invention relates to a message retransmission method, a message retransmission device and a chip. The method comprises the following steps that: destination end equipment receives a first data message sent by source end equipment, wherein the first data message comprises an identifier of a target transmission path for transmitting the first data message and a packet sequence number of the first data message; the destination end device determines a currently missing second data message corresponding to the target transmission path according to the packet serial number of the first data message; and the destination end equipment sends a selection confirmation message to the source end equipment, wherein the selection confirmation message is used for indicating the source end equipment to retransmit the second data message. By adopting the method, the transmission efficiency of the data message can be improved.

The invention relates to the technical field of data processing, and particularly provides an industrial data report self-adaptive generation method, system and device and a storage medium, and the method comprises the steps: obtaining heterogeneous data from a plurality of data sources, and converting the heterogeneous data into industrial data in a unified format; generating a dynamic boundary value based on the industrial data as an index by using an adaptive dynamic boundary model; and analyzing the industrial data based on the dynamic boundary value of the index, and generating a report based on an analysis result. According to the method, the report is automatically generated based on intelligent analysis of the dynamic boundary, so that the current real operation state is objectively reflected, potential risks and performance changes can be revealed in time, and a more accurate and more time-efficient decision basis is provided for management personnel.

The invention discloses a multi-node communication architecture based on RDMA (Remote Direct Memory Access), which comprises the following modules on a network card: a PCIe (Peripheral Component Interconnect Express) function module which supports PCIe x16, is downwards compatible, is used for data interaction between a master control on a local node and an RDMA function module, and supports high-speed transceiving; the MAC module is used for supporting high-speed data transceiving between the RDMA functional module and an external node by using a high-bandwidth MAC; and the RDMA function module is used for realizing a standard RoCEv2 protocol, supporting unicast and multicast, supporting reliable connection service and unreliable datagram service, supporting bilateral send / recv operation, and supporting unilateral write and read operation. The architecture can be used for a multi-core CPU heterogeneous airborne embedded supercomputing platform, realizes lossless Ethernet communication, has the characteristics of low delay, low CPU load and the like, and is used for meeting the application requirements of future airborne comprehensive processing platforms.

An integrated circuit formed on (i) a single semiconductor die or (ii) a plurality semiconductor dies that are integrated into a single package. The integrated circuit may include a communication interface including a serializer / deserializer (SerDes) interface; a fabric adapter communicatively coupled to the communication interface; a plurality of inference engine clusters, each inference engine cluster including a respective memory element and / or memory interface; and a data interconnect communicatively coupling each respective memory element and / or memory interfaces of the plurality of inference engine clusters to the fabric adapter. The fabric adapter may be configured to facilitate remote direct memory access (RDMA) read and write services and / or datagram communication over a cell-based switch fabric to and from the respective memory elements and / or memory interfaces of the plurality of inference engine clusters via the data interconnect.

The invention relates to an IPv4 data message processing method and device based on longest prefix matching. The method comprises the following steps: acquiring an IPv4 data message, and extracting a destination IP address in the message; based on a longest prefix matching mode, extracting a preset number of bits from the high order of the destination IP address; generating a search index through the preset number of bits; determining a corresponding table item in a pre-stored FPGA rule matching table according to the lookup index; extracting a message processing rule according to pre-stored information of the table item; and executing a subsequent processing action on the IPv4 data message based on the message processing rule. According to the method and the device, the IPv4 message prefix matching can be carried out through FPGA hardware acceleration, a matching result is generated through single query, linear speed processing under million-level rules is supported, and meanwhile, the longest prefix priority principle is automatically maintained when the rules are changed through a CPU-FPGA collaborative updating mechanism.

The invention discloses a vhost-user-based high-performance FPGA heterogeneous computing virtualization method and system, and the method comprises the steps: enabling a para-virtualization FPGA device driver to wait and obtain an FPGA heterogeneous computing request of a heterogeneous computing application of a client, and then writing data needing to be computed into a data queue in a large-page memory region shared with a host; the corresponding control command is sent to the control plane rear end to trigger the data plane rear end to obtain the data message from the data queue and send the data message to the FPGA manager of the host machine to execute a heterogeneous computing task; the data plane rear end obtains the execution result and then writes the execution result into a data queue of the large page memory area, and after the control plane rear end monitors the state change of the data queue, the para-virtualization FPGA device driver is notified to obtain the execution result from the data queue and return the execution result to the corresponding heterogeneous computing application. According to the method, the requirement for carrying out high-performance FPGA heterogeneous computing virtualization in the virtual machine is met, the data interaction efficiency is improved, and the extra overhead is reduced.

The invention discloses a serial port data message queue processing method of gateway machine equipment and the gateway machine equipment, which adopt a Modbus protocol as a communication protocol, and store sensor data points with continuous register addresses, same read-write function codes and consistent four remote types in the same sensor into a processing data stack; the processing data heap is assembled into permanent Modbus message information; message processing instructions of the remote control information points or the remote regulation information points are assembled into temporary Modbus message information, and feedback information of the corresponding remote signaling information points and the corresponding remote measurement information points are also assembled into temporary Modbus message information; the Modbus message information is added into a Modbus message information processing queue of a serial port in a mode of combining regular traversal of a message storage pile and an upper computer instruction, and the serial port takes out the Modbus message information in the Modbus message information processing queue one by one for message processing. According to the method, the timeliness of temporary Modbus message information processing is considered while the permanent Modbus message information processing regularity is realized.

The invention provides an AI network-oriented message transmission and packet loss detection method. The method comprises the following steps: determining the maximum path number from a source end network card to a destination end network card in an AI network topology; the source end network card carries out calculation according to the message serial number of a message to be sent and the maximum path number, obtains a path number corresponding to the message to be sent, and transmits a data message to be sent with the same path number to a target network card from the same transmission path in a packet-by-packet spraying mode; the destination end network card receives a data message, and determines whether message loss exists on the current transmission path according to the serial number of the received data message and the maximum path number; and when the message is lost, the destination network card requests the source network card to retransmit the lost message. The invention further discloses a corresponding system and a storage medium. According to the invention, rapid detection of packet loss can be realized, and the transmission efficiency is improved.

The invention provides a method and device for extracting report data based on a large model technology, and relates to the field of batch data processing, and the method comprises the steps: carrying out the intelligent table splitting processing of obtained report image data through a pre-constructed intelligent report prompt word project, and obtaining an effective target report; carrying out metadata dynamic extraction processing on the effective target report by utilizing a pre-constructed data extraction cue word project to obtain a report label; performing multi-dimensional data integration processing on the effective target report by utilizing a pre-constructed data integration prompt word project and the report label to obtain a report data dictionary; and performing subject semantic mapping on the effective target report according to the report data dictionary to obtain a required data report. According to the method, a complete automatic processing flow can be constructed, and intelligent report splitting, metadata dynamic extraction, multi-dimensional data integration, subject semantic mapping and the like are realized by combining an optical symbol recognition technology with a large model technology.

The invention provides a financial statement automatic generation method and system based on machine learning, and the method comprises the steps: carrying out the matching and conversion of semantics of different fields through employing an intelligent recognition technology according to a preliminary data format difference classification result, generating a standardized data structure set, and obtaining a unified field mapping relation; performing dynamic recombination on the cross-system business process by adopting a process tracking algorithm through a complete business data link, obtaining a time sequence relation and a data flow path of each business link, and obtaining a complete process tracking graph; key financial indexes and associated data of all links are obtained through the repaired process data set, and a data integration module is adopted for multi-dimensional summarization to obtain a preliminary financial data report framework; and through the final financial data content, obtaining a preset report template and an output rule, and generating a financial report output result conforming to a specification.

The invention provides a coal mine equipment network operation and maintenance management system and method based on 3DMineGlS, and particularly relates to the technical field of coal mine network operation and maintenance management, and the system comprises a data access module, a network topology visualization module, an equipment state monitoring module, a flow monitoring and analysis module, and an alarm and fault recording module. According to the system, basic information of coal mine equipment is collected through the data access module, and three-dimensional visual display is achieved through the network topology visualization module. The equipment state monitoring module monitors the running state of equipment in real time, and the flow monitoring and analyzing module monitors and analyzes flow data. And the alarm and fault recording module triggers alarm when the equipment fails or the flow is abnormal, and records related information for subsequent query and analysis. The technical problems of original equipment access mode, inaccurate fault positioning and insufficient visualization degree in the operation and maintenance management platform of the coal mine network system are solved, the operation and maintenance management efficiency of the coal mine network system is improved, and the operation and maintenance cost and difficulty are reduced.