1016 results about "Data interchange" patented technology

The invention relates to the technical field of data processing, and discloses a cold and hot data exchange method and system based on optical storage and a storage medium. The method comprises the following steps: performing access feature acquisition and analysis on data in the optomagnetic hybrid storage system, calculating an access life cycle factor, generating a logic interval heat evaluation result, performing temperature grading, formulating a cold and hot data placement strategy, generating a data placement mapping table, executing batch migration according to priority, and updating a data position record. According to the method, the problem of how to realize logic interval hot degree accurate identification, temperature grade dynamic grading, storage mapping optimal matching and batch migration task efficient organization under the optomagnetic hybrid architecture is solved.

The invention discloses a multi-agent collaborative data exchange dynamic routing optimization method and system, and relates to the technical field of network communication, and the method comprises the steps: obtaining the real-time state information of each node in a network, and outputting a node state data set; constructing a historical state sequence of each node, calculating a load change trend, and outputting a routing adjustment signal when the load change trend reaches a load critical value; calculating a collaborative weight according to the network contribution degree of each agent, establishing a task allocation mapping relationship among the agents based on the collaborative weight, and outputting a collaborative scheduling result; determining a candidate path set, performing index evaluation on paths in the candidate path set, and outputting an optimal routing path; and executing data transmission, obtaining a quality difference between an actual transmission effect and an expected effect, and performing parameter correction. According to the invention, active optimization and multi-target balance of network routing are realized, and routing efficiency and system stability in a dynamic network environment are improved.

The invention discloses an equipment access control method and system based on a security sandbox, which adopts an advanced virtualization technology, constructs a highly isolated operation environment, combines technologies such as deep packet inspection, system call interception and process operation logic analysis, comprehensively monitors access behaviors of processes in the sandbox to virtual equipment, and improves the access performance of the virtual equipment. And the security and credibility of the equipment are evaluated, and illegal processes are prevented from running on the access terminal, so that the security access control of the equipment is realized. The monitoring comprises data packet content, protocol filtering, threat detection, system call interception, process creation, execution and termination behavior monitoring and the like. In combination with a trust evaluation algorithm, behavior data features are collected and extracted, trust scoring is performed by applying a machine learning model, and the equipment trust level and the access strategy are dynamically adjusted according to the score. According to the invention, the access control strategy is managed in a unified manner and deployed quickly based on the security sandbox management program and the authentication server. After identity authentication of the equipment, real-time monitoring of process dynamic behaviors in the running process of the equipment is added, and the safety of the equipment in the data exchange process is further improved.

The invention discloses an unmanned aerial vehicle aerial three-dimensional electronic fence construction method and system, and relates to the technical field of unmanned aerial vehicles, and the method comprises the following steps: dividing the region boundary of an electronic fence in a preset geographic range based on a geographic information system and a three-dimensional modeling technology, and calculating the range of the electronic fence; integrating the configured electronic fence to an unmanned aerial vehicle system, establishing a real-time communication and data exchange channel with the unmanned aerial vehicle, and receiving position information and flight state data fed back in the flight process of the unmanned aerial vehicle in real time; and monitoring the flight state of the unmanned aerial vehicle and the area boundary of the electronic fence in real time, and triggering an early warning mechanism when the unmanned aerial vehicle is found to have a boundary crossing behavior. According to the electronic fence system, the size, shape and position of the fence can be automatically adjusted according to the real-time flight state of the unmanned aerial vehicle and the environment change, the dynamic adjustment capability of the electronic fence is directly improved, and it is ensured that the unmanned aerial vehicle can always fly safely in the complex and changeable airspace environment.

The invention relates to an office process automation data analysis method based on a symmetric encryption algorithm, and the technical scheme comprises the following steps: introducing an encryption strategy generator, and dynamically adjusting the parameters of the symmetric encryption algorithm including the key length and the encryption round number through the real-time analysis of the data communication content including the data sensitivity, the frequency and the data volume; constructing a self-adaptive optimization model, and adjusting an encryption strategy according to external conditions such as a network state, equipment computing power and user behaviors; fragmenting the data packet before transmission, and allocating different transmission paths according to current network conditions and security evaluation; constructing a dynamic data recombination module at a data receiving end, and verifying and recombining data when encrypted data packets of different paths arrive; a lightweight key negotiation protocol based on symmetric encryption is adopted, and a key is generated and negotiated immediately when two communication parties initiate data exchange; a secret key life cycle management mechanism is introduced, and the service life and the number of times of limitation are set for each secret key.

The invention provides a power distribution automation terminal security debugging method based on Bluetooth communication, and the method comprises the steps: extracting a historical operation record and a current task context from an operator identity identifier, calculating a real-time permission range of resource access, and adjusting an initial access boundary according to the real-time permission range; a security gateway module is embedded in a Bluetooth communication channel, a cross-domain data exchange request is intercepted and analyzed, whether the request exceeds the adjusted access boundary is judged, and if yes, transmission is refused; analyzing the cross-domain data exchange request, extracting a source domain identifier and a target domain identifier of a data packet from the cross-domain data exchange request, and encrypting the data packet to obtain encrypted cross-domain transmission data; and obtaining a decryption key distribution record of the encrypted cross-domain transmission data in the security domain of the receiving end, judging whether the key is matched or not, if so, decrypting the data and transmitting the data to the target domain, and otherwise, discarding the data.

The invention relates to the technical field of road traffic safety and intelligent networking, in particular to a networking communication system for road traffic safety facilities. According to the system, a local traffic digital twinborn model is constructed by edge computing nodes and maintained in a federated synchronization mode; traffic data generated by an edge computing node is packaged in a data container with an embedded hash chain and a digital signature encryption traceability log, so that the integrity, primitiveness and traceability of the data are ensured; the vehicle-mounted terminal submits zero-knowledge proof as a service voucher, and the edge computing node verifies and authorizes the service on the premise of not obtaining the original sensitive data. According to the invention, efficient traffic state synchronization is realized by constructing the federated digital twinborn model, the credibility and safety of data exchange are guaranteed by using the data container, the terminal privacy is protected by means of the zero-knowledge proof technology, and the communication efficiency, the data safety and the privacy protection level of the vehicle-road cooperation system are comprehensively improved.

The invention discloses a court cross-network audio and video signaling two-way interaction system and method. The system comprises a multi-protocol access adaptation module, a security isolation module and the like. The multi-protocol access adaptation module is provided with a special access adaptation unit for multiple protocols; the security isolation module realizes physical isolation through a security data exchange platform and a one-way audio and video optical shutter, and a built-in signaling security detection unit detects signaling; the signaling conversion module converts the signaling into an internal uniform format and adapts to the internal uniform format; the signaling processing module processes signaling, extracts information, schedules resources and feeds back a result; the network adaptation module adjusts transmission parameters; the identity authentication and authorization module uses multi-factor authentication and fine-grained authorization. The method comprises the steps of signaling initiating and receiving, identity authentication and authorization, multi-protocol access adaptation, signaling conversion processing and the like. The system solves the problems of cross-network communication protocol compatibility and the like, and improves the convenience and safety of judicial services.

A real-time traffic signal optimization system that includes: (a) a traffic data acquisition module that collects real-time traffic data from sensors, cameras, GPS and vehicle-to-infrastructure communication; b) a machine learning-based traffic prediction engine that analyses historical and real-time data to predict congestion patterns; c) an adaptive signal control unit that dynamically adjusts traffic light switching times based on real-time traffic flow and predictive insights; (d) an emergency and priority vehicle management system that overrides normal signal operation to give priority to emergency vehicles and public transport vehicles; (e) a central traffic monitoring and control dashboard for real-time monitoring, manual interventions and system configuration; and (f) a vehicle-to-infrastructure communication interface enabling data exchange between traffic signals and connected vehicles to improve driver awareness and traffic coordination.

A system (1) has a vehicle (2) and a mobile device (3) to unlock the vehicle (2) and / or enable a function of the vehicle (2). The vehicle (2) has at least one first transceiver (A) that is designed to transmit and receive data wirelessly. The mobile device (3) has at least one second transceiver (B) that is designed to transmit and receive data wirelessly. The first transceiver (A) and the second transceiver (B) are designed to establish a wireless connection with one another as connection partners that enables data exchange. The first transceiver (A) is designed to check an environment of the vehicle (2) for available connection partners. The second transceiver (B) is designed to signal its availability as a connection partner.

The embodiment of the invention provides a cross-network data exchange method, electronic equipment, a storage medium and a program product, and the method comprises the steps: receiving transmission data, determining the identification information of the transmission data according to the service identification, timestamp and segment sequence number of the transmission data, and determining the verification value according to the performance requirement, the security requirement and the data integrity; the hash algorithm is obtained by performing hash operation on the segmented data; according to the identification information, judging whether the transmission data is duplicated data or not; judging whether the transmission data is complete data or not according to the verification value; whether the transmission data is lost data or not is judged according to the segment serial number, if yes, a retransmission instruction is sent to the sending end equipment, the data segments which are repeatedly transmitted can be accurately recognized through the unique identification information, redundant storage and processing are avoided, the data repetition problem is solved from the source, then the integrity of the data is verified according to the verification value, and the data transmission efficiency is improved. And the lost data end is judged according to the segment sequence number, so that the problem of data loss is solved.

The invention provides a satellite constellation network topology state rapid sensing method. A multi-dimensional physical layer monitoring module, a dynamic adaptive BFD detection mechanism, an OSPF routing protocol and a shared data exchange area of a BFD driver and an OSPF process are deployed on each satellite node. According to the method, the connectivity of inter-satellite links is monitored in real time by using a physical layer signal state monitoring technology and the rapid link state detection capability of a BFD protocol, and related nodes are immediately notified through a control message when a fault is detected; meanwhile, the detection result of the BFD is linked with an OSPF routing protocol, and instant routing recalculation is triggered, so that the routing convergence time is shortened. A cross-layer closed-loop linkage system is constructed, a physical layer senses data to dynamically regulate and control protocol layer detection parameters, and hardware acceleration is combined to realize fault detection full-process optimization, so that the fault detection and recovery speed is accelerated, the resource utilization efficiency and the overall transmission efficiency of an inter-satellite network are improved, and the fault detection and recovery efficiency is improved. And high reliability and stability of the network are ensured.

The invention provides an equipment management method and system based on an industrial internet identification analysis system, which are applied to the technical field of industrial internet, and are used for receiving a data packet using a proprietary protocol from heterogeneous industrial equipment, and analyzing and converting the proprietary protocol data packet through a protocol conversion gateway deployed in a local private cloud environment. The standard format data is transmitted to the device identification management module through the security data channel, and data encryption is carried out, so that the security of the data in the transmission process is ensured. And carrying out equipment identity verification based on the extracted equipment identification information by utilizing an equipment identification management module, and carrying out equipment state management according to the equipment state information, thereby realizing unified management of the heterogeneous equipment. Therefore, the scheme has the advantages that under the local private cloud environment, enterprise special protocols are compatible, the confidentiality of protocol details is guaranteed, and unified management and secure data exchange of heterogeneous equipment are realized.

This disclosure relates to the concept of preempting TXOPs, i.e. suspending a data exchange between communication devices during an ongoing TXOP to serve STAs with latency constraints. According to an embodiment a first communication device is provided that is configured to communicate with a second communication device. The first communication device comprises circuitry configured to perform exchange of data units with the second communication device during a current transmit opportunity, receive, before or during the current transmit opportunity, a truncation notification indicating that the ongoing exchange of data units should be suspended and that a preemptive data unit may be received from and / or transmitted to the third communication device, suspend the ongoing exchange of data units with the second communication device before the end of the transmit opportunity, and receive from and / or transmit to the third communication device the preemptive data unit within the remaining duration of the transmit opportunity.

The invention provides a data cross-network exchange method, device and system. The system comprises an application data receiving module, a first public buffer area, a security detection module, a data routing configuration library, a first data exchange processing module, a data security encryption module, a sending cache library, a first message queue, an exchange data sending module, a first exchange equipment integration module, a second exchange equipment integration module and an exchange data receiving module. The cooperation among the second public buffer area, the data format conversion module, the second data exchange processing module, the data security decryption module, the distribution cache library, the second message queue and the application data distribution module can be compatible with various hardware devices, the unified cross-network data exchange service is realized, the flexibility and the expandability are improved, and the data exchange efficiency is improved. And safe, efficient and reliable transmission of data among different networks is ensured. The maintenance cost of networks with different security levels under the condition of physical isolation is reduced, and the security protection capability of the confidential network is further enhanced.

The invention provides an open type avionics system for a multipurpose unmanned aerial vehicle, and relates to an unmanned aerial vehicle electronic system, the system comprises a comprehensive processing module, a navigation module, a servo module, a power supply and distribution module and a load module, and the modules realize data interaction through an interconnection bus; a protocol conversion module with standardized interfaces is further arranged between the load module and the comprehensive processing module, and the protocol conversion module is used for converting various non-standardized load interfaces into unified and standardized interfaces so as to support effective communication and data exchange between the load module and the comprehensive processing module. Based on the design ideas of comprehensive modularization, bus interconnection and interface standardization, all functional modules of an existing unmanned aerial vehicle electronic system are designed in a centralized and integrated mode, and the multipurpose unmanned aerial vehicle electronic system with high integration and interface standardization is formed.

The invention provides a multifunctional network protocol converter, which comprises a main control module, a switch chip, a communication module and a storage module, and is characterized in that the switch chip comprises a plurality of network ports, each network port belongs to the same intranet, and each network port can be independently provided with a communication mode, supports various different protocols and data forwarding configurations, can realize various forwarding modes, and is provided with a plurality of communication interfaces; the data exchange module provides a physical layer data exchange function; the main control module identifies, analyzes, stores, converts and encapsulates the data of different protocol types received by the network port and the communication module through the data storage protocol stack, forwards the encapsulated data of different protocols through the network port and the communication module, and integrates a switch, a protocol converter and a data processing function into one device; the system architecture is simplified, the problems of high network protocol conversion cost and complexity caused by the prior art are effectively solved, and the network protocol conversion cost and complexity are effectively reduced.

The invention discloses a business travel user real-time feedback and suggestion system, which relates to the technical field of mobile application development and multi-terminal adaptation, and is characterized in that an edge layer guarantees the completeness of offline scene data through a dynamic load adapter, starting a structured compression protocol in a weak network, switching a multi-mode enhancement protocol in a strong network and matching with a priority cache queue; the decision-making layer adopts a parallel processing unit accelerated by an FPGA (Field Programmable Gate Array), and a real-time stream filtering unit adopts SimHash fingerprints to remove duplication; the scene understanding unit fuses the spatio-temporal data to generate event tags; the grading response unit automatically triggers AI compensation and manual work orders according to risk grades; and the collaboration layer verifies the responsible party of the travel system on the premise of hiding the user ID based on the zero-knowledge proof gateway so as to realize cross-platform secure data exchange. According to the system, a three-layer intelligent architecture is innovatively constructed, and full-link real-time response of travel service is realized.

The invention discloses an electronic medical record data structuring standard method, and belongs to the technical field of medical information, the electronic medical record data structuring standard method comprises the following specific steps: 1, data acquisition and format unification: a system receives text data from outpatient records, hospitalized medical records and inspection reports, and sends the text data to a server; the method comprises the following steps of: uniformly converting text data into UTF-8 codes and removing redundant symbols according to time sequence data streams of CT (Computed Tomography), MRI (Magnetic Resonance Imaging) medical images and vital sign monitoring; through the BiLSTM-CRF model and the dynamic term mapping algorithm, the medical entity recognition accuracy is greatly improved, the term standardization rate is remarkably improved, texts, images and time series data are associated through a hierarchical model, cross-modal query is supported, an API interface is constructed based on the HL7 FHIR standard, seamless connection with HIS, PACS and other systems is achieved, the data exchange error rate is greatly reduced, and the data exchange efficiency is greatly improved. The hybrid storage architecture reduces the storage cost, and supports the lateral extension to a million-level medical record scale.

The invention discloses a switch, system and method for data transmission based on a shared pool and a fan-out structure.The switch comprises a plurality of ports, the shared pool and a fan-out cache unit, and the ports comprise the first port and the second port; the first port receives data outside the switch, transmits the data to the shared pool and transmits a first data transmission request to the second port, and the first data transmission request comprises a data length; the second port receives the first data transmission request, and the target port generates a second data transmission request according to the first data transmission request, the data length and the remaining storage space of the target port so as to transmit the second data transmission request to the fan-out cache unit; and the fan-out cache unit schedules the data at the corresponding position in the shared pool according to the second data transmission request and outputs the data to the target port when the residual storage space of the target port is greater than the storage space required by the data length. The bandwidth utilization rate and the response speed of the data exchange network can be effectively improved, and congestion and delay are reduced.

The invention discloses a private data security sharing method based on federal learning, particularly relates to the field of private data security protection and sharing, and is used for solving the problems of insufficient model credibility and lack of precision control of data exchange in the existing cross-mechanism data collaboration process. According to the method, homomorphic encryption processing is carried out on local data of all participants, a ciphertext verifiable calculation task is constructed in combination with federated learning, forward propagation and back propagation calculation of a ciphertext are carried out by outsourcing calculation nodes, credible verification is carried out on a calculation process by utilizing zero-knowledge proof, and gradient aggregation and model updating are completed in a ciphertext domain; after model training is completed, based on federal learning model output, intelligent judgment is conducted on the sharing value of local data samples, ciphertext re-encryption and data exchange control are driven, multi-party safe and controllable data circulation is achieved, and therefore on the premise that privacy safety and compliance requirements are guaranteed, cross-mechanism data collaboration efficiency and decision-making precision are improved.

The invention relates to a real-time hybrid test control and test system and method based on a Linux-RT system and application, and belongs to the technical field of real-time hybrid tests of structural engineering. Comprising the following steps of: realizing deterministic conversion of states by adopting a real-time system manager of a singleton mode and an atomic state variable; according to the real-time executor based on the SCHEDFIFO scheduling strategy, affinity binding of a high-priority thread and a CPU is set, and periodic task scheduling of microsecond-level precision is achieved; a lambda functional programming data processing pipeline is adopted, and efficient data transmission of a filter chain is achieved through a zero copy mechanism; multi-protocol communication interfaces of UDP (User Datagram Protocol), EtherCAT (Ethernet Control Automation Technology) and WebSocket are supported, and a uniform abstraction layer is provided to realize low-delay data exchange between a numerical value and a physical substructure; and a real-time performance monitoring module adopting an exponential moving average algorithm provides accurate statistics of execution time and jitter.

The invention discloses a virtual machine communication method, device and equipment and a storage medium, is applied to a first virtual machine, and relates to the technical field of virtualization and storage systems.The method comprises the steps that a communication initialization command is sent to an NVMe controller based on a preset virtual function; obtaining a target communication address sent by the NVMe controller based on the communication initialization command; the target communication address is an address of a target communication queue for communication between the first virtual machine and the second virtual machine; and writing the target message data into the target communication queue based on the target communication address, and updating a data updating identifier corresponding to the target communication queue, so that the second virtual machine reads the target message data from the target communication queue based on the updated data updating identifier. In this way, point-to-point data exchange between the virtual machines is achieved by directly utilizing the shared memory function of the NVMe controller, communication delay and machine performance overhead are reduced, and the overall performance in the virtualization environment is improved.

The invention relates to the technical field of data exchange networks, and discloses a hardware-level link health monitoring system and a self-healing method, the hardware-level link health monitoring system comprises a flow analysis and data acquisition module; a multi-dimensional link quality state module; and a hardware-level self-healing and collaborative execution module. The hardware-level link self-healing method comprises the following steps: collecting a performance index of a link by hardware and generating a traffic portrait vector; after real-time reporting, dynamically adjusting the weight in an evaluation model according to the traffic portrait vector, and calculating a link health score in combination with the performance index so as to judge the health state; and finally, executing hierarchical self-healing actions on a hardware level according to the health state. According to the method and the system, hardware-level monitoring and self-healing closed loop without CPU intervention are realized, the evaluation model can be adaptively adjusted according to the service type, the monitoring accuracy and the fault self-healing speed are remarkably improved, and the service continuity is guaranteed.

A medical device communication method that may be implemented within a variety of medical devices including but not limited to infusion pumps. The method may be implemented with a protocol stack for at least intra-device communication. Embodiments provide connection-oriented, connectionless-oriented, broadcast and multicast data exchange with priority handling of data, fragmentation, and reassembly of data, unique static and dynamic address assignment and hot swap capability for connected peripherals or subsystems.

The invention discloses a multi-bank bank-enterprise direct connection data exchange system, which adopts a modularized and plug-in architecture, and comprises a client, which is used for sending an instruction through a front-end processor, an SDK (Software Development Kit) and an integrated UI (User Interface) control, supporting dynamic loading of a bank plug-in and a basic plug-in, and binding a unique equipment identifier through an authorization file; the bank server is in communication connection with the client and comprises a security gateway, a transaction platform and a multi-bank exchange center; the security gateway is used for authority verification, decryption signature verification, flow control and CFCA certificate signature verification so as to establish a secure data exchange channel; the transaction platform coordinates all banking business interfaces, and coordinates routing and execution of instructions sent by the client; the multi-bank switching center dynamically distributes the client to be connected with the WebSocket of the bank server through a dynamic load balancing strategy; and the management control module is used for remotely configuring client side parameters and bank interface strategies, supporting full-life-cycle management of system plug-ins and monitoring the states of the client side and the bank server side.

The invention relates to a security data isolation and information exchange method and system based on a lightweight protocol, belongs to the technical field of industrial automation control system security, and solves the technical problems of low transmission efficiency, high analysis overhead, high security risk and high resource consumption of an existing method. Comprising the following steps: collecting and preprocessing original plaintext data at an industrial control network side; an external unit identifier, a timestamp and a pre-shared key on the industrial control network side are used as encryption factors, lightweight stream cipher encryption and packaging are carried out on the preprocessed data, and a lightweight protocol data packet is generated; through a special physical isolation device, the light-weight protocol data packet subjected to deep detection is unidirectionally isolated and ferried from an industrial control network side to an internal network side; performing post-processing on the received lightweight protocol data packet at the intranet side to restore original data; and delivering the restored original plaintext data to an intranet service application. And safe and efficient information data exchange is realized.

The invention provides a voice instruction intelligent analysis method and system applied to an air traffic control scene, relates to the technical field of air traffic control, and aims at the characteristics of voice instruction interaction between a controller and a flight crew in the air traffic control scene to construct an instruction interaction expectation model. The instruction interaction expectation model comprises an instruction sequence association rule and a semantic constraint condition set which are generated based on historical controlled call data, and an interaction feature set of speaker identity features, instruction component time sequence features, voice intonation fluctuation features and the like in a real-time capture voice interaction process; inputting an instruction interaction expectation model for dynamic matching and deviation identification, generating an interaction deviation analysis result, triggering an intention clarification and instruction confirmation process based on the analysis result, obtaining a complete instruction component set, generating an instruction analysis result meeting an air traffic control data exchange standard after structured conversion processing, and pushing the instruction analysis result to an air traffic control automation system. The accuracy and efficiency of air traffic control voice instruction analysis are effectively improved.

The embodiment of the invention discloses a near field communication verification method and system based on ultrasonic waves, a medium and equipment, and the method comprises the steps: firstly, when a near field communication request operation of communication initiating equipment is detected, transmitting a target ultrasonic signal to communication response equipment through the communication initiating equipment; and then, receiving the target ultrasonic signal through the communication response equipment, verifying the target ultrasonic signal, and generating an ultrasonic response signal according to a verification result. And further, receiving the ultrasonic response signal through the communication initiating device, verifying whether the communication response device is located in a preset near field communication range by using the ultrasonic response signal, and if verification succeeds, starting a near field communication function of the communication initiating device. Therefore, data exchange between the communication initiating device and the communication response device is realized.

The invention relates to the technical field of data exchange networks, in particular to an intelligent commanding and dispatching method for a unified communication network, which comprises the following steps of: 1, dynamically sensing the state of a heterogeneous network; 2, emergency task grading quantification: analyzing command instruction text keywords, and matching a task emergency grading label library to output a task type code and a time delay tolerance threshold; based on the task type code and the current network load rate, generating a resource demand vector through historical task data interpolation; step 3, reinforcement learning dynamic decision making; step 4, carrying out survivability resource scheduling; step 5, optimizing a closed-loop strategy: acquiring actual task completion time delay, path switching times and node resource utilization rate standard deviation as evaluation indexes; and when the average reward value of the continuous tasks is lower than a historical average threshold value, finely adjusting actor network parameters. Through multi-dimensional state perception and reinforcement learning decision, in combination with historical data analysis and network load correction, efficient scheduling and dynamic optimization of different tasks are realized.