186 results about "Protocol processing" patented technology

The invention relates to the technical field of computer hardware and network communication, in particular to a high-speed I / O (input / output) virtualization server based on an FPGA (field programmable gate array) and a remote forwarding method.The high-speed I / O virtualization server comprises an FPGA chip, a network processing unit, an I / O protocol processing unit, a protocol conversion and scheduling unit, a time sequence and transaction management unit and a data buffering and flow control unit are integrated in the FPGA chip; the optical fiber Ethernet interface module comprises a physical layer interface and an MAC layer processing and network configuration interface; the local I / O interface module comprises a USB interface circuit, a serial port interface circuit, a PCIe interface circuit and an interface expansion connector; the power supply and monitoring module comprises a multi-path power supply management system, a state monitoring and diagnosis system and an LED indication system; according to the self-adaptive Baud rate detection circuit, the Baud rate can be accurately locked under the condition that data with less than two characters is received, the number of data bits, the type of a check bit and the length of a stop bit are automatically identified, and compared with a traditional microcontroller scheme, the self-adaptive Baud rate detection circuit has higher precision and higher detection speed.

The invention discloses a PON-based multi-protocol communication method and device, and the method comprises the steps: distributing a corresponding internal scheduling time slot to each network protocol processing unit for data uploading to each network protocol processing unit when a data processing module detects that the network protocol processing units connected with each field bus device have to-be-uploaded service data; and when one internal scheduling time slot is used up, interrupting the uploading of the service data until the next internal scheduling time slot allocated to the internal scheduling time slot is recovered from interrupting the uploading of the data. And the PON module monitors a global scheduling time slot allocation instruction issued by the optical line terminal in real time, converts an uploaded data frame into an electric signal, transmits the electric signal to the optical module through an internal link, converts the electric signal into an optical signal through the optical module in an allocated global scheduling time slot, and uploads the optical signal to the optical line terminal through an optical distribution network. Real-time performance and orderliness of transmission of service data in multiple field bus devices in a PON network are achieved, the requirement of industrial communication for data transmission is met, and transmission resource distribution is optimized.

The invention relates to the technical field of intelligent interface generation, in particular to an interactive interface generation method and system, computer equipment and a medium. The method comprises the following steps: receiving a multi-protocol interaction request, and extracting natural language context information carried in the multi-protocol interaction request through a protocol processing layer; according to the natural language context information, executing cue word processing to generate interface generation trigger judgment; when the interface generation trigger judgment indicates that an interface needs to be generated, generating an interface mode definition instance based on the natural language context information and a preset cue word template; and according to the interface mode definition instance, generating an interactive interface through a rendering output device. In this way, the technical problem that in an existing interface generation technology based on natural languages, it is difficult to collaboratively optimize the interface dynamic adaptation capacity and the system expansibility is solved, and the intelligent level, cross-platform compatibility and service response agility of interface generation are improved.

The invention relates to the technical field of encoder communication interface circuits, in particular to a multi-protocol encoder communication interface circuit based on hardware configuration, which comprises a core control and protocol processing module, a hardware configuration and mode recognition module, an RS-485 differential driving and receiving module and an interface protection circuit module. In the invention, the problems that the hardware cost is high, the PCB layout is complicated, the overall size of the system is increased, the types of connectors are diversified and the wiring difficulty is increased due to the fact that an independent physical interface circuit needs to be independently designed for each protocol such as BISS and Tamagawa or a special integrated chip with a solidified factory function is adopted in the existing scheme are thoroughly solved; and meanwhile, the problems that chips need to be replaced or hardware needs to be redesigned and the configuration flexibility is poor in the protocol updating of an existing scheme are solved, the time sequence conflict risk existing in software dynamic switching protocols is avoided, and the defects that a traditional circuit is poor in surge resistance, signal crosstalk is caused and debugging and maintenance are complex are overcome.

The invention relates to the technical field of communication, in particular to a three-network convergence communication terminal system based on core size level heterogeneous integration and an implementation method, and the system comprises a radio frequency transceiving core particle, a baseband processing core particle, a storage core particle, a control scheduling core particle and a power management core particle. According to the invention, systematic linkage optimization of cross-domain parameters is realized through a core size level heterogeneous integration and state space cooperation mechanism, and real-time channel state information directly drives a scheduling algorithm to solve in a global state space. According to the method, the problems of low energy efficiency utilization rate, lagged resource scheduling response, low power consumption and the like of a terminal in a multi-network concurrency and switching scene due to the fact that a multi-network communication module is discrete and a cross-hardware-level dynamic coordination mechanism is lacked are effectively solved, and the service life of the terminal in a multi-network concurrency and switching scene is prolonged. And therefore, the problems of limited terminal volume, high power consumption and poor service continuity can be solved.

The invention discloses a construction method for dynamically reconstructing a multi-modal edge computing hardware architecture and a cross-industry application method, and relates to the field of edge computing hardware architectures. A five-level heterogeneous architecture is adopted to construct a field self-adaptive dynamic reconstruction calculation unit, and an equipment abstraction layer is constructed to realize module hot plugging and calculation power distribution; a multi-protocol ubiquitous interconnection interface engine is established, a hardware-level analysis architecture is integrated, and multi-protocol analysis and rapid switching are supported; an environment self-adaptive energy efficiency regulation and control system is deployed, and wide-temperature operation is realized by adopting a bionic composite heat dissipation design; an edge-region-cloud three-layer elastic scheduling network is constructed, cross-domain computing power arrangement is realized through federal learning, and the method is adaptive to multi-industry scenes. According to the method, the hardware reuse rate and the wide-temperature environment adaptability are improved, the multi-protocol processing delay is reduced, the computing power scheduling efficiency is optimized, the limitation of traditional equipment is broken through, and the efficient and stable operation requirements of cross-industry scenes such as electric power and medical treatment are met.

The invention relates to the technical field of electric digital data processing, and discloses an intelligent campus network security protection system. A network data acquisition module of the system continuously monitors data transmission flow of a smart campus network environment to obtain an original data packet; the chaotic encryption engine encrypts an original data packet by using a key stream based on dynamic chaotic mapping, wherein the key stream is generated by multi-chaotic system switching and a random parameter distribution mechanism; the security protocol processing module converts the encrypted data packet into a format conforming to a network security protocol standard and transmits the encrypted data packet; the data decryption unit decrypts the received encrypted data packet; the security threat analysis module identifies and estimates potential network attack behaviors according to the decrypted plaintext data; and the protection strategy controller generates and executes a network security protection instruction according to the threat analysis result. The system can effectively protect the network security of the smart campus, resist various network attacks, and ensure the security of data transmission and storage.

The invention is suitable for the technical field of Ethernet data transmission, and provides a system and a method for enhancing the reliability of Ethernet non-connection protocol data transmission. The system comprises an Ethernet data receiving module, a receiving RAM cache module, a protocol judgment module, an ARP table cache updating module, a UDP application layer protocol processing module, a UDP protocol response module, an ARP, ICMP and UDP data FIFO cache module, a protocol arbitration reply module, a sending RAM cache module and an Ethernet data sending module. On the basis of CRC data verification, the UDP response module is added, certain data is replied when the non-connection protocol data of the sending end is received, the sending end is informed of whether the data packet is successfully received or not, the sending end can retransmit the lost data packet according to the response message, the stability of data transmission is improved, and the user experience is improved. And the reliability of Ethernet non-connection protocol data transmission can be greatly enhanced.

The invention discloses a protocol message tamper-proofing method and system based on symmetric encryption and a medium, and relates to the technical field of industrial automation Ethernet time synchronization. According to the method, mirror image monitoring is carried out on the message receiving and sending process in the protocol processing process of time synchronization equipment, a protocol message is obtained and analyzed, and the protocol message tamper-proofing effect is achieved; a message abstract and encrypted verification data thereof are generated at a sending end, and a corresponding abstract is obtained through decryption at a receiving end; consistency comparison is carried out on the sending side abstract and the receiving side abstract based on the time window, and a tamper-proof consistency coefficient is calculated to judge the integrity of the protocol message; on the basis that the integrity is qualified, performing difference analysis on an encryption verification result, and calculating an encryption credibility coefficient to evaluate the credibility state of the symmetric encryption link; and further performing coupling calculation to obtain a time synchronization security coupling coefficient, comprehensively evaluating the influence of tamper-proofing and symmetric encryption on the time synchronization operation security, and implementing a security regulation and control strategy according to the influence, thereby improving the security and stability of the time synchronization system.

The embodiment of the invention provides a multi-communication interface expansion device based on an SPI protocol. In one specific embodiment, the expansion device comprises a storage unit and a communication unit; the communication unit comprises a control interface, a control module and a driving isolation device; the control module comprises a protocol control module, a protocol selection module and a plurality of protocol processing modules for respectively processing different protocols; the communication unit further comprises a plurality of first communication interfaces corresponding to the protocol processing modules; the control interface is an SPI (Serial Peripheral Interface); the protocol control module configures a corresponding first communication interface through the gated protocol processing module; the protocol control module controls the gated protocol processing module to call and process the to-be-sent data from the storage unit, and outputs the to-be-sent data to a fourth external device; and the gated protocol processing module receives to-be-received data sent by the third external equipment, processes the received to-be-received data and stores the processed to-be-received data to the storage unit, so that multi-communication interface expansion of the SPI protocol is realized.

The invention belongs to the technical field of space communication protocol processing, and particularly relates to an intelligent frame packaging method and device for a satellite internet heterogeneous link. Comprising the steps that an IP packet is preprocessed and packaged into a CCSDS packet, and bytes are processed based on a general cycle to adapt to different link requirements; an insertion domain differentiation strategy and a multi-pointer cooperation mechanism are adopted to complete MPDU dynamic adaptation filling and cross-domain processing, and the cross-MPDU data splicing problem is solved through accurate boundary judgment and a differentiation filling strategy; fully effective or partially effective filling of the VCDU frame is realized through multi-pointer cooperation; a self-adaptive verification mechanism parallel to the packaging process is constructed, a WA-TOPSIS multi-attribute decision algorithm is fused, and an optimal verification strategy is selected according to multi-dimensional indexes; a bucket reset flow control algorithm based on a time interval is adopted, a credit overdraft and debt compensation mechanism is combined, and flow parameters are dynamically adjusted to avoid congestion; according to the method, the data transmission stability and the link utilization rate in a heterogeneous link environment can be effectively improved.

Apparatuses, methods, and systems are disclosed for selecting an authentication type in a 5G network. One apparatus includes a processor and a network interface that receives a first message requesting to register a remote unit to the mobile communication network, where the remote unit is connected to a non-3GPP access network and the remote unit does not support the NAS protocol. The processor determines an authentication request type for the remote unit, where the authentication request type is not based on the NAS protocol. The processor creates a NAS registration message on behalf of the remote unit and sends a second message to an access management function in the mobile communication network, where the second message contains the NAS registration message and the determined authentication request type.

The invention discloses a guarantee power supply data acquisition method and device and a computer program product, and the method comprises the steps: S1, carrying out the processing of an equipment access signal through employing a hierarchical recognition mechanism, generating a protocol fingerprint feature vector, carrying out the matching of the protocol fingerprint feature vector in a protocol library, loading a corresponding conversion rule if the matching succeeds, and carrying out the verification of the conversion rule; if not, starting a protocol learning process; s2, disassembling unknown protocol data for starting a protocol learning process into four tuples, converting the four tuples into unified intermediate representation, and starting a rule inference engine for an unknown protocol to generate and verify candidate rules through a multi-dimensional protocol conversion matrix matching rule; and S3, classifying the data converted in the step S1 or the step S2, completing protocol processing at the network edge by adopting an edge computing architecture, and allocating 5G channel resources according to the priority of power services. According to the method, a full-process optimization scheme from protocol identification and conversion to transmission is constructed, and high-reliability and high-efficiency data support is provided for a power grid.

The application provides a clock management chip, a chip management system and electronic equipment, and the chip comprises: an antenna signal processing module; a protocol processing module connected with the antenna signal processing module, used for receiving an Ethernet synchronization source clock signal, a PTP clock signal, a 1PPS clock signal and an external clock source signal, and outputting a transition clock signal according to the Ethernet synchronization source clock signal, the PTP clock signal, the 1PPS clock signal and the external clock source signal; and a clock generation module connected with the PTP protocol processing module, used for processing the clock signal and outputting a target clock signal correspondingly. The application adopts the same chip and architecture to select and process the Ethernet synchronization source clock signal and the external clock source signal, avoids the problem that there is a large delay in signal transmission caused by processing different clock source signals in different chips, reduces the error probability of signal transmission and improves the accuracy of signal transmission.

This invention relates to the field of industrial automation and control network technology, and discloses a real-time synchronization method system for LonWorks networks based on digital twin variables. Applied to LonWorks fieldbus networks, it is implemented based on a heterogeneous node system consisting of a general-purpose processing module, a LonTalk protocol processing module, and a high-speed serial communication bus. The general-purpose processing module carries a manager, the LonTalk protocol processing module maintains standard LonWorks network variables and has a built-in LonTalk protocol stack, and the high-speed serial communication bus transmits DTVP data frames. This invention achieves a significant leap in node computing power, freeing nodes from the limitations of dedicated communication chips and allowing them to directly utilize the high performance of industry-leading general-purpose microcontrollers to easily handle complex control algorithms, real-time data filtering, lightweight artificial intelligence inference, and other complex tasks.

The invention discloses a downlink data processing method and device, equipment and a storage medium. The method comprises the following steps: receiving downlink data sent by a base station, and obtaining a time slice field used for indicating a frame-level service attribute from frame header information of the downlink data; analyzing the time slice field into a mapping bitmap used for representing a terminal device set; under the condition that the bit corresponding to the terminal equipment in the mapping bitmap is determined to be set, performing forward error correction decoding on the downlink data to recover the baseband frame payload of the downlink data; performing protocol decapsulation on the baseband frame payload to obtain a protocol data unit; and in a case where it is determined that the protocol data unit corresponds to the terminal, performing upper-layer processing on the protocol data unit. According to the scheme, a frame-level service attribute sensing mechanism based on a time slice field, a terminal judgment mechanism driven by a mapping bitmap and a layered downlink data analysis and processing flow are introduced, so that efficient collaboration of downlink data in the stages of receiving, judgment, decoding and protocol processing is realized.

The present invention relates to a user equipment (UE) served by a source cell of a first network node supporting a radio access network (RAN) distributed unit (DU) function and / or Layer 2 protocol processing. The UE includes a processor and memory, and executes instructions to select from a plurality of candidate target cells controlled by the first network node based on L3 measurements and generate L1 measurements. For L1 / L2 triggered mobility (LTM), the UE determines whether the candidate cells meet preset conditions for handover and preferably periodically transmits L1 measurement reports to the first node. The preset conditions include whether single-sideband (SSB) is detected and whether a first timer associated with the L3 measurement report has not expired since a first timestamp. The UE determines whether the timer has expired since a second timestamp, and the L3 measurement report is the most recent at the time of generating the L1 measurement report.

The application discloses a kind of electric energy meter protocol data full traversal automatic test method and electric energy meter, comprising the following steps: the protocol supported by electric energy meter is modeled, and the electric energy meter data format type in protocol is defined;Establish the protocol information table of electric energy meter to be tested, and the electric energy meter protocol message is generated for each protocol in protocol information table to be tested according to electric energy meter protocol specification by master station request message generation module;According to the format corresponding to the protocol in protocol information table to be tested, generate normal test message and abnormal test message, and respectively expect normal response and abnormal response;Virtual message receiving module is generated by protocol request message generation module of master station request message generation module, and protocol request message is placed in electric energy meter communication port drive cache, and electric energy meter executes protocol processing according to protocol request message;Statistical electric energy meter protocol running result, complete all protocols of protocol information table to be tested Full traversal automatic test.The application solves the technical problem of how to accurately and quickly perform electric energy meter protocol data full traversal automatic test.

The present disclosure relates to a user protocol processing method and device, a storage medium and an electronic device, and relates to the technical field of human-computer interaction. The method comprises: obtaining input image information in response to a touch event acting on a preset coordinate point on a display interface of a display terminal; determining a to-be-switched application scenario corresponding to the input image information according to a first association relationship between preset image information and a preset application scenario; determining a to-be-switched user protocol corresponding to the to-be-switched application scenario according to a second association relationship between the preset application scenario and a preset user protocol; and displaying the to-be-switched user protocol on the display interface. The method realizes automatic switching of multiple user protocols.

The application discloses a network switch configuration system with power-off recovery function, comprising: a protocol processing module for receiving an Ethernet data packet sent by a host computer, the Ethernet data packet containing a dedicated protocol frame of n stack type layers, and analyzing n control instruction information of AHB protocol; an arbitration module for sending the control instruction information to an address mapping module when obtaining the n control instruction information and control instruction information sent by a power-off recovery module; the address mapping module for performing read / write operation on a register according to the control instruction information, and generating return response information representing whether the operation is successful; the protocol processing module is further used for generating response data packets containing return frames to be sent to the host computer according to the return response information; and the power-off recovery module is used for storing the control instruction information of successful operation into a FLASH, and reading the stored control instruction information from the FLASH and sending the control instruction information to the arbitration module after self-restarting.

The invention discloses a multi-protocol compatible optical fiber communication method and device for a safety automatic device, and belongs to the technical field of electric power automation, and the method comprises the steps: storing a plurality of FPGA link layer communication protocol configuration files based on an optical fiber communication standard interface in a configuration memory; calling the FPGA configuration file of the target communication protocol from the configuration memory through the CPU according to the current communication scene of the security automation device; loading the called FPGA configuration file to the FPGA module through the CPU so as to reconstruct a link layer protocol of the FPGA module; processing optical fiber communication data according to a target communication protocol by using the reconstructed FPGA module; and through the pluggable SFP optical module, a physical layer optical signal is adapted so as to send or receive optical fiber communication data processed by the FPGA module. According to the invention, the current situation that a safety automatic device has various physical layer interface types and numerous hardware board card types in various optical fiber communication can be effectively solved.

The application relates to the field of network security communication protocols, and discloses a local area network low-latency transmission method and system based on time slot allocation, which comprises the following steps: introducing a frame sending node with network security communication protocol processing capability into a local area network communication link, time marking data messages initiated by each node and pre-registering a sending window; introducing a local time stretching factor to differentially encode the occupation characteristics of different types of messages; interleaving a time slot deviation unit with a service priority for dynamic adjustment of adjacent time slot boundaries; coupling modeling of processing mutations caused by link instantaneous load fluctuation, key update trigger timing and authentication processes, and constructing a cross-time slot delay propagation relationship within a local transmission path; and according to the occupation density and offset convergence trend of various messages in a time slot cooperative scheduling view, online correcting time slot division granularity and scheduling trigger rhythm. The application has the advantage of improving time slot utilization precision.

The embodiment of the application provides a kind of based on AFDX data interaction system, method and electronic equipment, belong to communication technical field.The method the system includes successively connected interface analysis module, DMA transmission control module, AFDX protocol processing module, data cache module and MAC data processing module, MAC data processing module includes the MAC data processing unit of at least one network corresponding, AFDX protocol processing module uses AFDX protocol to the effective downstream data from DMA transmission control module carries out address group packet and obtains AFDX downstream data, data cache module according to the network identification indicated by AFDX downstream data sends AFDX downstream data to corresponding MAC data processing unit, MAC data processing unit is according to the target network protocol of corresponding to the AFDX downstream data received by it repackage, obtains target network downstream data, and then can be based on AFDX protocol realizes communication in other network, improves the data interaction efficiency between equipment.

The application discloses a high-bandwidth low-delay data processing method based on ROCEv2, relates to the technical field of data processing, and is realized based on a ROCEv2 protocol and comprises a host server and a chip. The host server comprises a mapping table of a system memory and a virtual address for each queue pair. The chip comprises a ROCEv2 protocol processing interface, an address resource FIFO, a channel manager, a DMA engine and multi-channel service data packets. The application uses less hardware resources of system devices, thereby reducing hardware cost.

This application relates to the fields of intelligent hardware and environmental monitoring technology, and particularly to a protocol processing method, apparatus, device, storage medium, and computer program product for environmental monitoring equipment. The method involves obtaining resource configuration information and corresponding protocol configuration information for a target acquisition channel; determining the target protocol plugin associated with the target acquisition channel based on the protocol configuration information; loading the target protocol plugin and initializing it according to a preset interface specification to establish a calling relationship between the target protocol plugin and the target acquisition channel; acquiring device interaction data based on the target acquisition channel and calling the target protocol plugin to perform protocol parsing processing on the device interaction data to obtain corresponding standardized data; sending the standardized data to a message bus for external modules to subscribe to; and dynamically updating the target acquisition channel and / or the target protocol plugin in response to configuration change or upgrade commands.

The application provides a vehicle communication link fault positioning method, device and vehicle. Each vehicle electronic control unit and equipment associated with the vehicle electronic control unit is taken as a network node and a network sub-node to form a detection link, each network node and network sub-node is provided with a protocol processor; an initial network node sends a detection broadcast frame, the detection broadcast frame is propagated step by step from the initial network node, when a network node on the detection link fails to propagate the received detection broadcast frame to a next network sub-node, current node information data is recorded and fed back to the initial network node, and the position of the vehicle communication link fault is determined according to the node information data received by the initial network node. The scheme can realize rapid fault positioning of the electronic control unit and the associated equipment, and significantly improves the fault troubleshooting efficiency.

The invention discloses an NVMeoF far-end storage system and method based on GPU direct command control, an I / O processing task in an NVMeoF environment is clearly divided into two modules, namely a GPU processing NVMe command module and a CPU processing network protocol module, cooperation of the two modules is realized through a doorbell notification mechanism, a CPU is enabled to concentrate on the skilled network protocol processing, and the NVMeoF remote storage system and method based on GPU direct command control are realized. The GPU is enabled to concentrate on the skilled NVMe command generation and data processing, so that the load of the CPU is remarkably reduced, an end-to-end zero-copy data path from remote NVMe storage to a GPU video memory is constructed, unnecessary intermediate data copy is eliminated, and the data throughput is maximized. According to the invention, in an NVMeoF environment, approximate localization low-delay and high-bandwidth access of the GPU to the remote NVMe storage device can be realized.

The utility model relates to a universal protocol processing board and system. The universal protocol processing board comprises a carrier board and a plurality of core boards, the core board comprises a central processing unit, and the carrier board comprises a field programmable logic gate array and a plurality of inter-board communication components; the central processing unit of each core board is connected with the field programmable logic gate array through an inter-board communication assembly; the field programmable logic gate array is at least used for forwarding a preset number of to-be-processed signals to each central processing unit through the inter-board communication component; and the central processor is at least used for performing protocol conversion on the received to-be-processed signal. Thus, the central processing unit of each core board is connected with the field programmable logic gate array through the inter-board communication assembly, the field programmable logic gate array can be used for signal forwarding, it is guaranteed that the multiple central processing units process related tasks in parallel, and then the processing efficiency of the general protocol processing board is effectively improved.