25 results about "Protocol Requirement" patented technology

The invention relates to the technical field of Internet of Things, in particular to a multi-protocol conversion Internet of Things terminal communication method. Comprising the following steps: monitoring a communication data packet sent by Internet of Things terminal equipment in real time through a protocol sniffing module, and extracting a protocol feature field; matching the protocol feature field based on a dynamic protocol library, and identifying a native protocol type of the equipment; generating a protocol conversion strategy according to a target platform protocol demand, and calling a corresponding protocol analysis engine to perform semantic analysis on the data packet; the analyzed data content is reconstructed according to a target protocol format, and a unified communication interface packaging layer is added; and an optimal communication link is selected through an adaptive routing algorithm, and cross-protocol data transparent transmission is completed. The invention provides an integrated communication method capable of realizing efficient protocol dynamic identification, high-reliability semantic conversion, intelligent link optimization and safe packaging, so as to break through the technical barrier of multi-protocol Internet of Things terminal interconnection.

The invention relates to the technical field of wireless communication, and discloses an interface protocol switching method and device, equipment, a storage medium and a product, and the method comprises the steps: obtaining state features between a transmitting end and a receiving end through a sensing layer, and collecting data information of a corresponding type according to the state features, the state features including a service feature, a network state and a server state; inputting data information into the intelligent decision layer, determining a switched transport layer protocol stack, and transmitting the transport layer protocol stack to a protocol execution layer; and switching the sending end and the receiving end to a transport layer protocol stack based on the protocol execution layer to perform data transmission. According to the application, the service features, the network state and the server state are dynamically perceived and extracted through the intelligent protocol adaptation system, the protocol stack of the optimal transmission layer is dynamically decided according to the extracted data, protocol requirements under different interaction scenes are adapted, and the flexibility and accuracy of data transmission are guaranteed.

The embodiment of the invention provides a fuzzy test method and device for an underwater control system communication protocol, and the method comprises the steps: defining each protocol field and an invariant segment according to a protocol description file, and generating input data meeting the protocol requirements; modeling a protocol interaction process based on the state diagram, and performing multi-path traversal in the state diagram based on input data; monitoring abnormity of network communication and a target process in operation of the fuzzy test program, obtaining feedback information, and adjusting the test case based on the feedback information; and according to the anomaly detection information in the test process, generating a standardized test report and a test case script capable of collapsing and reproducing.

The application discloses a general IOMUX architecture and a configuration control method, and belongs to the technical field of input / output multiplexers.The architecture comprises a port management module, a signal routing module, a configuration control module, a protocol adaptation module and a state monitoring module; the configuration control module adopts a composite configuration mechanism combining static and dynamic modes, receives external configuration instructions, parses the external configuration instructions into configuration parameters of each module, sends the configuration parameters to each module, and stores and dynamically updates the configuration parameters; the protocol adaptation module adopts a two-stage adaptation structure of protocol analysis and timing adjustment to adapt the output signals of the internal functional modules of chips of different communication protocols, so that the protocol requirements of external equipment are met.The application can flexibly adapt to the differentiated requirements of different chip types through modular architecture design; when applied to a new chip, a developer only needs to adjust the configuration parameters, and does not need to modify the internal core logic of each module.

This invention provides a multi-channel image sensor data transmission system and optoelectronic system based on FPGA-PCIe, belonging to the technical field of video processing and acquisition systems. The multi-channel image sensor data transmission system includes an FPGA circuit board, external memory, and a back-end image processing platform. The FPGA circuit board includes an integrated image processing module, a bus control module, and a PCIe interface control module. Utilizing an FPGA to process and acquire multiple sensor video streams saves hardware costs and circuit board area. It also ports various operation operators to the FPGA, enabling real-time processing and acquisition of the currently transmitted video stream, improving the real-time performance of the operation. Simultaneously, it achieves control and transmission of multiple video streams, meeting the requirements for data transmission agility and high speed. This solves the problem in existing methods where inconsistent video resolutions and frame rates from different image sensors lead to insufficient data bandwidth to meet protocol requirements, resulting in the inability of PCIe devices at both ends of the FPGA to communicate normally.

The invention provides a software testing method and device, equipment, a storage medium and a program product, and relates to the field of artificial intelligence. The method comprises the following steps: analyzing a test case based on a standardized table model, and generating a data object which can be processed by a to-be-tested program; the standardized table model comprises title information, field information and data volume information; according to the data format specification of the target communication protocol, converting the data object into test input data meeting the protocol requirement; the target communication protocol is obtained according to the title information; inputting the test input data into the to-be-tested program and running the test input data to obtain response data based on the test input data; and performing assertion verification on the response data based on a predefined expected result in the test case to obtain a test result. According to the method provided by the invention, the compatibility of the test method to the protocol is improved, and the software test efficiency is improved.

The invention provides a data writing method and a memory controller, and the method comprises the steps: responding to one or more forcing unit access (FUA) writing commands, and distributing a unique command identifier for each FUA writing command; recording a plurality of stages experienced by the write-in operation corresponding to each command identifier; integrating the write-in data corresponding to one or more command identifiers and caching the write-in data to cache units corresponding to a plurality of planes; after the cache unit is fully written, writing cached write-in data of the cache unit into a memory module through a multi-plane write-in mechanism; and after all target write-in data corresponding to the target command identifier is successfully written in, transmitting a successful response to the host system to indicate that the corresponding target FUA write-in command has been completed. The circulation state of each command is recorded through various data structures, the FUA protocol requirement is met while data cache splicing is carried out, the write-in efficiency is improved, write amplification is reduced, and the service life of a memory is prolonged.

This invention discloses a general algorithm verification platform and its algorithm registration and invocation method. The platform provides an open-source algorithm plugin framework template, which includes multiple languages. Users integrate algorithms using this framework and fill in the processing results according to the network interface protocol requirements for algorithm-platform interaction. User algorithms do not need to consider network communication. The interface between the algorithm and the platform uses TCP / IP communication. The uploaded algorithm acts as a TCP client, actively initiated by the platform, and receives connection information from the TCP server, as well as initialization parameters. The algorithm continuously attempts to connect with the platform. When a connection is successful, it automatically sends process ID information, waits for platform data input, the platform transmits data to the algorithm, and the algorithm feeds back the processing results to the platform. This invention facilitates the verification and integration of different algorithms, thereby minimizing user development costs.

The invention discloses a cross-network one-way data security exchange method and system. The method comprises the following steps: receiving a first data packet of a first network, performing protocol stripping, removing a protocol header of a first network communication protocol, obtaining first application data, packaging the first application data into an internal exchange format, and generating a first exchange data unit; sending the first exchange data unit to a receiving point of a second network through a one-way physical isolation link; at a receiving point of the second network, performing security compliance test on the first exchange data unit, performing format analysis on the first exchange data unit passing the test, and extracting first application data; and repackaging the first application data into a second data packet adopting a second network communication protocol according to a communication protocol requirement of the second network, and sending the second data packet to a target node in the second network. According to the invention, the limitation that the traditional two-way transmission physical isolation is not thorough and the one-way optical transmission cannot support the TCP protocol is solved, and the safety of cross-network data exchange and the protocol compatibility are improved.

The present invention discloses a security analysis method, apparatus, device, and storage medium for a blockchain consensus protocol, belonging to the field of blockchain technology. The present invention broadcasts generated consensus messages and transactions to a blockchain system, so that the transactions are executed under the consensus protocol of the blockchain system according to the consensus messages, thereby generating consensus data for a target node; calculating the difference between the consensus data to obtain a consensus difference; comparing the consensus data corresponding to the consensus difference with preset data to obtain a comparison result; and determining whether the target node violates the consensus protocol requirements based on the comparison result to perform a security analysis on the consensus protocol. This method can quickly identify security issues in the consensus protocol and improve accuracy and testing efficiency.

The invention provides a real-time data transmission method and system in a narrow bandwidth environment, and relates to the technical field of computers, and the method comprises the steps: obtaining a protocol demand, and determining a protocol format; acquiring to-be-transmitted data, and determining a data protocol structure; filling and packaging the data protocol structure into a protocol format to obtain packaged data, and processing the packaged data in a binary form to obtain binary data; sequentially performing data compression processing and data segmentation processing on the binary data according to the data compression information and the data segmentation information to obtain a first transmission code; compiling and optimizing the first transmission code by utilizing a programming language to obtain a second transmission code; and transmitting the second transmission code to a receiving end to realize real-time data transmission in a narrow bandwidth environment. The problems that real-time data transmission cannot be guaranteed in a narrow bandwidth environment, and the real-time performance and integrity requirements of data transmission cannot be met are solved.

The application provides a multi-source heterogeneous device analysis and processing method, system, device and medium, the method comprising: a first service node acquires a corresponding label group configuration ID according to an application subscription request; the first service node converts a first data type corresponding to the subscription request and the label group configuration ID into a preset uniform data type and sends it to the manager, so that the manager adds a pipeline corresponding to the first service node to the label group configuration ID, and sends the converted subscription request and the label group configuration ID to the second service node, and the second service node converts the converted subscription request and the label group configuration ID into a second data type, and reads data in the device according to the reading frequency corresponding to the label group configuration ID. The method, system, device and medium can solve the problems that the existing physical gateway cannot cope with simultaneous multi-connection and multi-protocol requirements, and cannot support dynamic access of multiple types of devices in application runtime.

To provide a computer implemented method for connection to a hierarchical network.SOLUTION: A hierarchical network includes a plurality of nodes arranged in a set of ordered layers. The set of ordered layers includes, in order, a core layer including a set of core nodes, a second layer including a set of second nodes, and one or more outer layers which include respective sets of outer nodes, respectively. Each core node is connected to at least one other core node. A method is executed by a connection node and includes connecting to the network according to a connection protocol. The connection protocol requires that each node must connect with at least one node of a preceding layer and each outer node must connect with at least one core node.SELECTED DRAWING: Figure 3

The application provides a network registration method and device, which are used for solving the problem of communication exception when a terminal device registers in a 3GPP network and a non-3GPP access in an INS scenario. The application is directed to a scenario that a first terminal has registered in a 3GPP network and then registers in a non-3GPP access side. By rejecting or postponing the registration of the first terminal in the non-3GPP access side, the mobility registration of the first terminal is realized by one AMF, which meets the protocol requirement and can also avoid the problem that the 3GPP registration of the first terminal cannot be switched to the AMF selected by the non-3GPP registration, thereby causing the problem that two AMFs exist at the same time to be responsible for the mobility registration of the first terminal.

The invention provides a large amphibious aircraft core processing platform resource utilization analysis method and device, belongs to the technical field of comprehensive modular avionics, solves the problem that an existing analysis method may cause resource allocation conflicts, and comprises the following four steps: 1, determining an analysis range, and covering A664 network related resources, RDIU multi-type interface resources and GPM resources; 2, determining a constraint standard, and integrating an A664P7 protocol requirement, equipment hardware limitation, component characteristics, an ARINC standard and a resource utilization ratio specification; 3, analyzing actual allocation data of various resources from a system configuration database; and 4, comparing actual data with a constraint standard to judge whether the actual data and the constraint standard exceed a limit or not, and generating a multi-dimensional report containing an actual value, a constraint value and an unused resource percentage. Comprehensive and accurate analysis of resource utilization is realized, it is ensured that resource configuration does not exceed equipment capability and protocol requirements, stable operation of a core processing platform is ensured, and data support is provided for optimal configuration and maintenance.

This invention relates to an industrial control gateway and its protocol conversion method, apparatus, and computer-readable storage medium, belonging to the field of communication technology. The method of this invention includes: 1) parsing data packets from different communication protocols using a multi-process architecture based on information from a general template file, extracting key fields from the data packets, and converting them into an intermediate data format; the general template file describes the field mapping rules for each communication protocol and the conversion rules for converting fields to the intermediate data format; 2) converting the intermediate data format data packets according to the target protocol requirements, utilizing the parameter mapping relationships between different communication protocols in the protocol mapping rule base, and encapsulating them into the target protocol format. The industrial control gateway, protocol conversion apparatus, and computer-readable storage medium include a computer program implementing the above method. This invention greatly enhances the scalability of industrial control systems, improves protocol conversion efficiency and real-time performance, and reduces configuration complexity.

The invention provides an equipment direct connection control method and device based on a drive-by-wire screen, a medium and the drive-by-wire screen, and relates to the technical field of equipment control. The method comprises the following steps: acquiring a current connection state of equipment; determining a communication protocol of an equipment interface based on the current connection state; and under the condition that the communication protocol of the equipment interface meets a preset protocol requirement, establishing connection with the equipment according to the preset protocol so as to control the equipment. The embodiment of the invention is used for solving the defects that a plurality of devices cannot be controlled in batches and the device control efficiency is low in the prior art, the plurality of devices are directly connected through the drive-by-wire screen, unified control is carried out, and the device control efficiency is remarkably improved.

This invention discloses a method for ARINC429 requirements analysis and automatic code generation based on the bus protocol. The method includes: establishing a standard template for a table according to the ARINC429 communication protocol requirements, containing the information needed for code generation; automatically analyzing the ARINC429 communication protocol file using a program to read key information from the table; reporting errors in the main table and sub-tables that do not conform to the protocol format during the key information reading process; establishing a complete data flow processing code framework rule based on the signal input, processing, and output sequence; and establishing different structures for the received / transmitted Label numbers according to channel and direction based on the data information obtained in step S3. This invention, through the automated identification of ARINC429 bus protocol requirements and the automated generation of standard code, reduces design and implementation defects introduced by developers' understanding of requirements during software development, greatly improving software development efficiency.

The present invention relates to a cloud data forensics method and system, which includes: after a client initiates a request, it is determined whether a core algorithm service calculation is required, and if so, a request data packet is constructed and sent to a server; otherwise, a request is made directly according to a corresponding protocol; after the server receives the request data packet, the server calculates parameter information for the core algorithm service calculation using a core algorithm module corresponding to the interface number in the request data packet, and packages the calculation result and returns it to the client corresponding to the client number in the request data packet; the client makes a request according to the reverse request protocol requirements based on the returned calculation result data packet. The present invention can greatly reduce the reverse R&D investment of currently commonly used cloud forensics technology, effectively reduce the reverse cost by adding background services, and greatly improve the development efficiency of cloud forensics.

The application discloses a kind of multi-protocol adaptive conversion methods in edge computing gateway, it is related to digital information transmission technical field, including the following steps: real-time acquisition multi-source terminal communication data, extract data frame core features and match preset protocol characteristic library, identify communication protocol and mark transmission attribute and type;According to protocol type, service attribute and real-time requirement, priority evaluation system is built, and protocol data grading is completed;Original data standardization pretreatment, synchronous decryption and integrity check;Combining source protocol features and target protocol requirements dynamically generates conversion rule;According to priority and rule, complete protocol conversion;After conversion data multidimensional verification, after verification, send to target network;Real-time monitoring conversion process, feedback core index to management terminal.The application realizes the accurate identification and adaptive conversion of multi-source heterogeneous protocol, greatly improves the protocol adaptation range and conversion efficiency, and adapts to the data interconnection needs of multiple industries and multiple scenes.

The invention relates to the technical field of data processing, and provides a programmable MCU fast-charging protocol conversion method and device, and the method comprises the steps: carrying out the protocol recognition of a to-be-charged device through a programmable MCU, obtaining a protocol comparison parameter group, inputting a preset fast-charging protocol library for matching, and obtaining a fast-charging protocol set; if the preset fast charging protocol stock is in the charging protocol matched with the protocol comparison parameter group, outputting a compatible charging mode; and if the charging protocol matched with the protocol comparison parameter set does not exist, an I / O port level output strategy of the programmable MCU is adjusted based on protocol requirements in the protocol comparison parameter set, a compatible charging mode is generated, and a corresponding PWM control signal is generated to control the DC / DC converter to adjust the output circuit to charge the to-be-charged device. The protocol of the to-be-charged equipment is flexibly identified and processed by using the programmable MCU, so that the problems of protocol incompatibility and difficulty in hardware upgrading in a traditional fast charging scheme are effectively solved.

A communication method and apparatus, which are used for supporting the deployment of different types of edge application servers. The method comprises: a first network device receiving first request information, wherein the first request information is used for requesting the deployment of a first edge application server, the first request information includes deployment type information of the first edge application server and / or service level protocol requirement information of the first edge application server, the service level protocol requirement information is associated with the deployment type information of the first edge application server, and the deployment type information is used for indicating that the deployment type of the first edge application server is the server being deployed in an edge data network or being deployed in an access network; and the first network device deploying the first edge application server on the basis of the deployment type information of the first edge application server.

The invention discloses a message data format detection and correction method and device, equipment and a medium, and the method comprises the steps: determining the position and type of a new input byte in an input line and the type of an input byte in the input line when the new input byte is monitored to exist in the input line; and according to the position and the type of the new input byte in the input line and the type of the input byte, executing backspace operation, zero filling operation and blank filling operation in the input line, so that automatic formatting in the message data input process is realized, the blank does not need to be manually input for byte separation, and format errors do not need to be worried about. The system can automatically complete the correction when the message data is detected, thereby guaranteeing the uniformity and preciseness of the format of the message data, guaranteeing that the finally generated message data completely meets the requirements of a communication protocol, and remarkably improving the efficiency and accuracy of development and testing.

Provided in the present application are a network registration method and apparatus, which are used for solving the problem of a communication abnormality when a terminal device performs registration in a 3GPP network and on a non-3GPP access side in an INS scenario. In the present application, for a scenario in which a first terminal performs registration in a 3GPP network and then performs registration on a non-3GPP access side, the registration of the first terminal on the non-3GPP access side is rejected or delayed, so that a single AMF is responsible for mobility registration of the first terminal, which meets protocol requirements, and can also avoid a problem caused by two AMFs being simultaneously responsible for mobility registration of the first terminal due to it being impossible to switch 3GPP registration of the first terminal to an AMF selected for non-3GPP registration.

The application relates to a device access method and device, an electronic device and a storage medium, wherein the device access method comprises the following steps: obtaining metadata announcement package information of a target access device; determining a device protocol type of the target access device according to the metadata announcement package information and preset feature library data; determining a protocol analysis plug-in according to the device protocol type, and loading the protocol analysis plug-in to extract a device capability set; mapping the device capability set to a national standard registry to determine a national standard mapping result; and adding the target access device to a national standard management platform according to the national standard mapping result. Through the application, the problem of how to access a device supporting only standard streaming media output to a platform meeting national standard protocol requirements is solved, access and management of multi-protocol standardized streaming media devices to a national standard platform are realized, a process is simplified, system integration complexity and development cost are reduced, good compatibility and expansibility are achieved, and system stability and resource utilization are improved.