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363 results about "Physical interface" patented technology

Physical Interfaces. Physical interfaces must be assigned to a zone to allow for configuration of Access Rules to govern inbound and outbound traffic. Security zones are bound to each physical interface where it acts as a conduit for inbound and outbound traffic. If there is no interface, traffic cannot access the zone or exit the zone.

Industrial control network security service security guarantee system based on behavior analysis

The invention provides an industrial control network security service security guarantee system based on behavior analysis, which belongs to the technical field of industrial control network security, and comprises a multi-source data fusion acquisition module, a dynamic behavior modeling engine, a federal learning analysis cluster, an attack chain prediction module, a self-adaptive protection strategy executor and a model evolution feedback ring, wherein the multi-source data fusion acquisition module synchronously acquires industrial control network flow (including OPC UA / Modbus / DNP3 protocol analysis), equipment operation logs, user operation behavior fingerprints and physical interface state data, and the physical interface state data comprises electrical characteristic fluctuation monitoring of USB / network interfaces. According to the scheme, through multi-technology fusion and closed-loop design, the problems of static performance, single-dimension analysis defects and response lag of a traditional industrial control security scheme are effectively solved, a comprehensive protection system with dynamic modeling, intelligent decision making, privacy protection and continuous optimization is constructed, and the security and service reliability of an industrial control network are remarkably improved.
Owner:CPI NORTHEAST ENERGY SAVING TECH +1

Conference memory enhancement method and equipment for conference tablet and medium

The invention discloses a conference memory enhancement method and device for a conference tablet and a medium, and relates to the technical field of intelligent conference equipment, and the method comprises the steps: collecting multi-modal data in real time based on a preset data collection technology, and coding the multi-modal data into a space-time event stream according to the time sequence of the multi-modal data; identifying handwritten characters on the conference tablet, and extracting a key tag in a speech in combination with a pre-trained natural language processing model to construct a conference knowledge graph corresponding to the current conference; comparing the conference knowledge graph with a historical conference knowledge graph, determining conflict content, and superposing a virtual information layer on a physical interface of the conference tablet; and querying query association information corresponding to the semantic query request based on the conference knowledge graph and the time-space time stream to determine semantic contradictions, and displaying a historical conference evidence chain of the semantic contradictions based on the virtual information layer.
Owner:SHANDONG INSPUR ULTRA HD INTELLIGENT TECH CO LTD

Communication system for realizing bidirectional protocol compatibility of upper computer and main control module

The invention discloses a communication system for realizing bidirectional protocol compatibility of an upper computer and a main control module, which comprises a protocol bridging module, an upper computer communication interface module and an inter-module communication interface module, and is characterized in that the protocol bridging module is used for realizing bidirectional analysis and packaging of an upper computer protocol and an internal standard protocol; the protocol bridging module adopts an independent MCU (Microprogrammed Control Unit) processing unit, integrates a protocol analysis unit, a mapping conversion unit and a data encapsulation unit, and is internally provided with a protocol mapping table for the mapping conversion unit and the data encapsulation unit to call; the upper computer communication interface module is used for realizing communication connection between the protocol bridging module and an upper computer, integrates various physical interfaces, and adopts a level and protocol adaptive design to realize seamless butt joint with different types of upper computers; and the inter-module communication interface module is used for realizing communication connection between the protocol bridging module and the main control module, integrates various standard interfaces, and adopts an interface automatic adaptation design to be compatible with interface specifications of different main control modules.
Owner:SUZHOU TRENDSHENG TECHNOLOGY CO LTD

Cross-switch access authentication method for multi-network-port link aggregation

The invention discloses a cross-switch access authentication method for multi-network-port link aggregation, and solves the problems that the existing cross-switch aggregation depends on an LACP (Link Aggregation Control Protocol) or a manufacturer private protocol, the interoperability is poor and a single-point fault occurs. The system comprises a host and a switch, the host is provided with an authentication client, a logic aggregation interface, a physical interface, a state recording and retry module and a data transmission module, and the switch is provided with an access control module. According to the method, a plurality of physical interfaces are aggregated into a logic interface bond0 through static configuration at a host end, and a service IP is configured; and independently operating an authentication client on each physical interface, executing EAP-TLS authentication, and sending a message from the corresponding interface. The interface state is recorded during initialization, if an unauthenticated interface is found, retry is immediately carried out, and meanwhile forwarding of other authenticated links is kept; when the link or the switch fails, the bond0 is automatically switched to other effective links; when the authentication session expires, the host initiates re-authentication, ensuring session continuity.
Owner:INFORMATION TECH RES INST OF EXIT & ENTRY MANAGEMENT OF THE NAT IMMIGRATION ADMINISTRATION

Mine red system-based multi-device adaptation method and apparatus, and bridging device

The invention provides a multi-device adaptation method and device based on a red-mine system and a bridging device. The method comprises the following steps: completing system initialization and environment configuration; the method comprises the following steps of: scanning a physical interface to detect accessed non-mining red equipment, distributing a unique virtual node ID (Identity) for each non-mining red equipment, inquiring a protocol library according to feature information of the non-mining red equipment, and loading a corresponding data analysis protocol; and performing uplink and downlink bidirectional data conversion through a data analysis protocol. According to the technical scheme of the invention, the protocol conversion and interface compatibility of the non-mine-red equipment are realized, so that the non-mine-red equipment can be accessed to the mine-red network without hardware transformation and can be simulated as the mine-red equipment, and the self-discovery, self-connection and self-networking functions are supported. According to the method, the equipment access process is simplified, the integration cost is reduced, the compatibility and expansibility of the whole mine network system are enhanced, and powerful technical support is provided for promoting mine intelligent construction.
Owner:SHANGHAI SHANYUAN ELECTRONICS SCI & TECH CO LTD

Medical monitoring data transmission method, monitoring method and application method

The invention belongs to the technical field of data transmission, and particularly relates to a medical monitoring data transmission method, a monitoring method and an application method.The data transmission link is subjected to standardized conversion, and the method comprises the steps that connection modes of different devices are adapted through a physical interface or a wireless communication protocol, and a communication link is established; key parameters in the data flow are analyzed in real time through a lightweight neural network model to obtain an analysis result, potential semantic features of the data flow are automatically identified through multi-modal signal analysis to obtain an identification result, and a temporary analysis rule is dynamically generated based on the analysis result and the identification result; and the disassembled independent parameters are recombined according to a unified standard format. According to the method, equipment hardware does not need to be transformed, continuous data transmission of various equipment is ensured by automatically establishing a standardized data stream transmission channel, the workload of manually configuring analysis rules can be reduced through implementation, the risk of wrong analysis caused by waveform distortion can be reduced through multi-modal signal analysis, and finally, the private format difference of the equipment is eliminated.
Owner:JIANGSU PROVINCE INST OF TRADITIONAL CHINESE MEDICINE

Distribution automation control method and device based on virtual bus communication

The invention discloses a power distribution automation control method and device based on virtual bus communication, and relates to the technical field of power distribution automation, and the method comprises the steps: registering a physical communication interface to a drive chain table, and achieving the standardized operation of the physical interface through a drive layer; configuring a physical communication interface as a virtual communication interface, registering the virtual communication interface to a virtual bus linked list, and realizing unified scheduling and data interaction of multiple interfaces through a virtual bus layer; physical communication equipment is configured as virtual communication equipment, the virtual communication equipment is registered to a virtual equipment linked list, and equipment function mapping and protocol adaptation are completed through a virtual equipment layer; registering a physical equipment instance to an equipment instance linked list, and realizing data transceiving and control instruction execution through an equipment instance layer; based on a virtual bus architecture, different communication protocols and transmission modes are dynamically matched so as to communicate heterogeneous equipment. According to the application, diversified field application requirements can be met, and the communication configuration efficiency between the power distribution automation terminal and the external equipment is improved.
Owner:ZHUHAI COPOWER ELECTRIC

Time-triggered protocol network planning method and system for aviation power supply system, and storage medium

The invention provides a time-triggered protocol network planning method and system for an aviation power supply system, and a storage medium. The network architecture adopts a hardware-level dual-redundancy design, each communication node is provided with two independent TTP physical interfaces and corresponding TTP daughter cards, and the TTP physical interfaces and the corresponding TTP daughter cards are respectively accessed to a TTP A network and a TTP B network which are logically independent, so that channel-level fault isolation is realized. The planning method comprises the following steps: classifying messages according to power supply system services and defining a transmission period; initializing a cluster and setting time parameters such as a TDMA period and a cluster period; packaging the messages with consistent periods and reserving extension bits in a data structure; and calculating the time slot capacity based on the transmission rate, the node number and the TDMA period, and generating a deterministic message scheduling table. According to the method, high communication reliability is guaranteed through dual-network redundancy, the real-time requirement of various messages such as control and alarm is met through systematic scheduling, the expandability of the network is improved by reserving expansion bits, and the method is suitable for an aviation power supply system with strict communication performance requirements.
Owner:SHANGHAI CIVIL AVIATION POWER SYSTEM CO LTD

Multi-protocol encoder communication interface circuit based on hardware configuration

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.
Owner:东莞市智赢智能装备有限公司

System platform and method for checking adjustment characteristics of control system based on semi-physical simulation

The invention provides a system platform and method for checking adjustment characteristics of a control system based on semi-physical simulation, and belongs to the technical field of power system control equipment detection. The system comprises an all-digital real-time simulation system (ADPSS), a water turbine governor to be tested, a physical interface communication module, a wave recording device and a signal interaction module. A full-electromagnetic example model constructed based on PSASP is built in the ADPSS, a closed-loop detection environment is constructed through the physical interface communication module and a water turbine governor to be detected, bidirectional signal transmission is achieved through the signal interaction module, and key parameters are recorded through the wave recording device. The method comprises the steps of simulation environment establishment, signal interactive transmission, multi-dimensional detection and check and result judgment and output. According to the method, multi-dimensional checking of the speed regulator acquisition and display function, the transfer function consistency, the grid-connected performance and the like and power grid stability influence verification can be completed without field installation, the coverage scene is comprehensive, the checking precision is high, and the method is suitable for performance detection of different types of speed regulators and has remarkable practical value.
Owner:CHINA YANGTZE POWER

Layout and wiring planning design method based on 2.5 D core particle interconnection passive interposer

The invention relates to a layout wiring planning design method based on a 2.5 D core particle interconnection interposer, which is characterized by comprising the following steps of: defining signal logic interfaces for automatic wiring in a passive interposer according to signal transmission requirements among core particles and a communication relationship between the core particles and a packaging substrate, and creating a mapping relationship list among the logic interfaces; according to the method, layout planning is carried out on physical interface endpoints of a passive intermediate layer, the physical interface endpoints are matched with signal logic interfaces, and an optimal layout allocation scheme is quickly determined through a signal allocation algorithm based on a flow network in combination with a window matching method, so that the wiring resource loss of a 2.5 D integrated circuit is effectively reduced, and the wiring efficiency is improved. The system overall performance is improved. According to the invention, the method can cope with a complex interconnection wiring condition generated by a plurality of independently designed core particles in a 2.5 D integration process, and achieves the efficient interconnection design of the passive interposer.
Owner:BEIJING MICROELECTRONICS TECH INST +1

Logic die in a multi-chip package having a configurable physical interface to on-package memory

A multi-chip device having a configurable physical interface in a logic die to on-package memory is provided. The configurable physical interface to allow a connection from a signal on the memory interface to be selected based on whether the logic die is mirrored or non-mirrored.
Owner:INTEL CORP

Power saving based on link down detection

In general, this disclosure describes a network device comprising a physical interface comprising a port and a data path component; a storage device configured to store a power save profile for the network device, wherein the power save profile specifies one or more link down triggers each associated with a power saving action; and processing circuitry having access to the storage device. The processing circuitry may be configured to determine, based on a link fault associated with the port, a link down trigger of the one or more link down triggers specified in the power save profile. The processing circuitry may further be configured to execute the power saving action associated with the link down trigger to reduce power consumed by the data path component.
Owner:JUNIPER NETWORKS INC

Apparatuses and methods for bridge-based packaging with direct power delivery

The disclosed computer-implemented apparatus for bridge-based packaging with direct power delivery can include an first layer stacked on a second layer. The second layer can include an interposer die and a connection die. The first layer can include a chiplet die positioned above the interposer die and a first-layer bridge die spanning across the interposer die and the connection die. The interposer die can include a set of physical interfaces and a set of routing features configured to route signals from the set of physical interfaces to the first-layer bridge die. Various other apparatuses, systems, and methods of manufacture are also disclosed.
Owner:ADVANCED MICRO DEVICES INC

Universal protocol for power tools

A method for communicating between motorized power tools includes establishing, using a physical interface of a first power tool, a wireless radio link between the first power tool and a second power tool. The first power tool has a first motor and the second power tool has a second motor. A signal is received over the wireless radio link, via the physical interface, at the first power tool from the second power tool using a first wireless communication protocol. The signal includes an identifier. The second power tool is verified as authorized to send the signal to the first power tool based on the identifier. A tool component of the first power tool is controlled responsive to the signal.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Method and system for processing multi-protocol data communication interface of civil aviation measuring instrument

The invention provides a civil aviation measuring instrument multi-protocol data communication interface processing method and system, and the method comprises the steps: defining a first avionics protocol and a second avionics protocol according to a multi-protocol database and a communication interface electrical characteristic database of a civil aviation measuring instrument; adjusting an equivalent inductance value and an equivalent capacitance value of the adaptive impedance matching network, and generating an impedance configuration parameter set; converting the original data frame of the first avionics protocol into a target data frame conforming to a second avionics protocol; acquiring an impedance measurement value of each data communication interface to generate a dynamic impedance strategy; generating an adaptive protocol conversion rule set according to a semantic consistency verification result of the target data frame; and collaboratively optimizing the dynamic impedance strategy and the adaptive protocol conversion rule set to generate communication interface adaptive parameters. According to the invention, accurate matching of the protocol conversion group and the physical interface characteristics is realized, and the stability and the adaptive ability of the multi-protocol communication interface in a complex electromagnetic environment are improved.
Owner:CHINA ACAD OF CIVIL AVIATION SCI & TECH

Plug-in multi-protocol industrial control system and method based on functional unit modeling

The invention relates to a plug-in multi-protocol industrial control system and method based on functional unit modeling. The plug-in multi-protocol industrial control system comprises a physical interface layer, a protocol packaging layer, an equipment driving layer, an abstract functional unit layer, an abstract functional module layer, a control logic layer and a configuration driving module. The physical interface layer realizes multi-platform compatibility through a unified asynchronous event interface; the protocol packaging layer integrates a protocol through a plug-in; abstracting a device behavior by a device driver layer, and dynamically binding the device behavior with a functional unit; the abstract function unit layer abstracts equipment functions into standardized function units and realizes two-way communication; the abstract function module layer combines function units into a high-level module and supports dynamic loading and unloading; the control logic layer realizes various flow control; and the configuration driving module analyzes the configuration file to realize configurable operation of the system. According to the system disclosed by the invention, the problems of difficulty in multi-protocol adaptation, poor control logic reusability and low configuration degree are solved through layered communication architecture, protocol plug-in, functional unit abstraction and event-driven mechanisms.
Owner:YUXI NORMAL UNIV

Physical IP verification device and method, computer equipment and medium

The invention relates to the technical field of integrated circuits and provides a physical IP verification device and method, computer equipment and a medium. The physical IP verification device comprises a first reusable multimode test sequence generator, a verification component physical interface, a second reusable multimode test sequence generator and a verification component serial interface. Therefore, different simulation requirements and scenes such as accelerated simulation efficiency and integrated verification can be considered, protocol consistency verification, functional verification completeness of a physical layer subsystem level and standardized protocol verification are supported, and abundant test vector sets are provided; according to the method, the requirements of butt joint test scenes and completeness verification of different levels such as a transaction layer, a data link layer and a physical layer can be met, debugging interaction interfaces and debugging means with rich levels are supported, different physical interface versions and interface data bus bit widths are supported, and hierarchical and fine-granularity low-power-consumption management is also supported.
Owner:CORE YAOHUI SEMICON TECH (SHANGHAI) CO LTD

A Method, Device and Related Equipment for Identifying Risk Assets in the Intranet Based on Traffic

The present invention provides a method, device and related equipment for identifying risk assets in an intranet based on traffic. The method includes: obtaining at least response traffic containing address information and fingerprint information from the physical interface of a network device to obtain first response traffic data; removing the response traffic whose address information does not meet the preset requirements from the first response traffic data to obtain second response traffic data; finding target response traffic whose fingerprint information matches the fingerprint information dictionary from the second response traffic data; obtaining the device IP address of the target response traffic; and associating the device IP address and the fingerprint information dictionary according to the fingerprint information to obtain a risk asset identification result. The present invention performs identification based on intranet HTTP response traffic, which will not affect the target host and will not impose an additional burden on the network device; filtering the first response traffic data according to the preset requirements improves the matching efficiency between the response traffic and the fingerprint information dictionary.
Owner:CHINA CONSTRUCTION BANK

Communication method and system based on physical interface and ad hoc network, and medium

The invention discloses a communication method and system based on a physical interface and an ad hoc network, and a medium. Relates to the technical field of communication. Networking nodes are constructed according to physical interfaces in a board card production test system, and networking strategies are matched according to board card production test tasks, so that networking nodes using different buses and different communication interfaces form a communication network, and data transmission can be performed between any two networking nodes in the network. The communication method of the interface heterogeneous system is greatly simplified; meanwhile, the networking mode is dynamically changed along with the execution stage of the board card production test task, and the real-time performance and reliability of communication in the board card production test system are guaranteed; different networking modes and networking modes are matched in different stages of board card production testing, control precision and dynamic adaptability in the board card production testing process are considered, and meanwhile safety and time sequence strictness are ensured.
Owner:SICHUAN SDRISING INFORMATION TECH

Spaceborne network architecture of TSN (Time Sensitive Network), construction method and communication method

The invention relates to the technical field of satellite-borne integrated network design, in particular to a TSN time sensitive network satellite-borne network architecture, a construction method and a communication method. Comprising a plurality of function nodes which are respectively connected to networks with different rate levels according to respective data communication rate requirements; at least one central switching node which is loaded with a TSN lightweight agile switching algorithm and adopts an anti-radiation FPGA to carry out hardware implementation; the integrated self-adaptive design of the intra-satellite network and the inter-satellite network enables control data and load data to be transmitted under the same physical interface and protocol. Unified transmission of low-speed control instructions and high-speed load data is realized by adopting time certainty and high bandwidth characteristics of the TSN, and a conventional complex system with multiple buses and multiple protocols is simplified into a unified physical interface and protocol. The complexity of the system is reduced, and the conversion requirements between different protocols are reduced.
Owner:SHANDONG INST OF AEROSPACE ELECTRONICS TECH

Universal protocol for power tools

A method for communicating between motorized power tools includes establishing, using a physical interface of a first power tool, a wireless radio link between the first power tool and a second power tool. The first power tool has a first motor and the second power tool has a second motor. A signal is received over the wireless radio link, via the physical interface, at the first power tool from the second power tool using a first wireless communication protocol. The signal includes an identifier. The second power tool is verified as authorized to send the signal to the first power tool based on the identifier. A tool component of the first power tool is controlled responsive to the signal.
Owner:MILWAUKEE ELECTRIC TOOL CORP

Water purifier Internet of Things gateway cooperative control system and method based on protocol dynamic analysis and adaptation

The invention provides a water purifier Internet of Things gateway cooperative control system and method based on protocol dynamic analysis and adaptation, belongs to the field of intelligent control of water purifiers, and solves the problems of low intelligent degree, poor collaboration and the like of an existing water purifier Internet of Things system. Comprising a physical interface layer, a protocol dynamic analysis and adaptation layer, a unified data model layer, an intelligent cooperative control engine layer, a trusted data interaction layer and a management configuration layer. The cooperative control system adopts a containerized architecture; the physical interface layer is connected to the water purifier mainboard, the back-end cloud platform and an external system; the unified data model layer constructs a water purifier digital model covering static, dynamic, prediction and interaction dimensions. According to the invention, a water purifier cluster housekeeper integrating protocol, AI decision, federal learning and block chain security is constructed, high flexibility, expandability and reliability are realized through a containerized micro-service architecture, and efficient, energy-saving and intelligent cooperative control of a large-scale and multi-brand water purifier network is achieved.
Owner:FUZHOU QIYUN INTELLIGENT TECHNOLOGY CO LTD

Self-adaptive connector communication system based on industrial Ethernet

The invention belongs to the technical field of communication, particularly relates to a self-adaptive connector communication system based on an industrial Ethernet, and aims to solve the problems of communication interruption and poor reliability caused by interface incompatibility, link configuration stiffness and environmental interference in an industrial field. The system comprises a self-adaptive physical interface module, a link state sensing module, a protocol stack dynamic reconstruction module, an environment interference compensation module and a central coordination controller, and automatic interface identification, link parameter dynamic adjustment and active interference compensation are realized through cooperation of multiple modules. According to the scheme, the communication reliability and the environmental adaptability are remarkably improved, millisecond-level interface switching and seamless redundancy switching are supported, and the high-reliability and low-delay communication requirements of industrial automation are met.
Owner:SHEN ZHEN CHAO DA ELECTRIC APP PROD CO LTD

Multi-interface module capable of rapidly switching serial port protocols

The invention discloses a multi-interface module capable of rapidly switching serial port protocols, and relates to the technical field of industrial serial port communication, the multi-interface module comprises an acquisition interface, a switching module and an acquisition module; wherein the acquisition interface is used for being connected with equipment through different types of interfaces; the switching module is used for automatically identifying the connection between the acquisition interface and the equipment and carrying out combined switching of power supply voltage and a communication protocol according to the connected equipment so as to realize power supply and communication of the acquisition module; the acquisition module is used for processing data acquired by the equipment and transmitting the data to the outside; the acquisition interface, the switching module and the acquisition module are electrically connected through the acquisition mainboard; the switching module comprises an internal circuit module used for converting voltage and a communication protocol and an external connection module used for protocol matching through connection combination of different pins. The method has the advantages of flexibly adjusting the power supply voltage, dynamically switching the communication protocol and adapting to various physical interfaces.
Owner:JIANGSU HYBRID ENERGY TECH CO LTD +1

Non-embedded unmanned aerial vehicle information acquisition device and method

This invention discloses a non-embedded UAV information acquisition device and method. The non-embedded UAV information acquisition device includes a shell assembly, a three-mode adapter structure, a standardized physical interface, a main control module, a communication module, a positioning and sensing module, and a power management module. The internal cavity wall of the shell assembly is fitted with an anti-magnetic shielding layer made of permalloy. The three-mode adapter structure is integrated into the bottom of the shell assembly and includes a magnetic suction component, a suspension component, and a screw fixing interface. The standardized physical interface is located on the surface of the shell assembly and uses a gold-plated gold finger contact structure, which is electrically connected to the main control module. This invention enables deployment without disassembly of the UAV through a non-intrusive design while maintaining the UAV's airworthiness. It utilizes edge computing to alleviate cloud scheduling pressure and reduce task latency, and with independent power supply, achieves long endurance and high reliability, making it widely adaptable to various UAV models and harsh operating environments.
Owner:HUNAN KONGKUAIDI INTELLIGENT TECHNOLOGY CO LTD

Time-triggered protocol network planning method, system, and storage medium for an aviation power system

The application provides a time-triggered protocol network planning method, system and storage medium for an aviation power supply system. The network architecture adopts a hardware-level dual-redundancy design, each communication node is configured with two independent TTP physical interfaces and corresponding TTP subcards, and is connected to logically independent TTP A network and TTP B network respectively, so that channel-level fault isolation is realized. The planning method comprises the following steps: classifying messages according to power supply system services and defining transmission periods; initializing a cluster and setting time parameters such as a TDMA period and a cluster period; packing messages with consistent periods and reserving extension bits in a data structure; calculating time slot capacity based on transmission rate, node number and TDMA period, and generating a deterministic message scheduling table. The application guarantees high communication reliability through dual-network redundancy, meets the real-time requirements of various messages such as control and alarm through systematic scheduling, improves the scalability of the network through reserved extension bits, and is suitable for aviation power supply systems with strict communication performance requirements.
Owner:SHANGHAI CIVIL AVIATION POWER SYSTEM CO LTD

5G signaling plane traffic screening method, system and device based on multi-core processing unit, and storage medium

The invention relates to a 5G signaling plane traffic screening method based on a multi-core processing unit, and the method comprises the steps: receiving network mirror image traffic through a physical interface unit, and screening out transmission control protocol traffic; the switching chip unit identifies HTTP / 2 protocol traffic from transmission control protocol traffic according to a target port number or an application layer protocol handshake feature, and forwards the HTTP / 2 protocol traffic to the multi-core processing unit; the binary framing structure of the HTTP / 2 protocol is analyzed, a data frame and a control frame are distinguished, and an HTTP request head is restored; analyzing and decoding an HTTP request header, and extracting a pseudo header field of a uniform resource identifier path in the HTTP request header; generating a traffic filtering rule corresponding to the service signaling traffic bearing the specific network function; and issuing the generated flow filtering rule to a switching chip unit, and outputting specified 5G signaling plane flow. The method automatically adapts to the dynamic change of the 5G network element, and effectively solves the problem of traffic loss or inaccuracy caused by difficult maintenance and untimely updating of the static work parameter data.
Owner:SINO TELECOM TECHNOLOGY CO INC

Data transmission method and device

The invention provides a data transmission method and device, which can simplify the processing flow of mapping a client signal to a B1T physical interface, reduce the processing cost during client signal mapping and improve the performance of a system. The method comprises the following steps: mapping a client signal to I first data frames, mapping the I first data frames to a second data frame, and sending the second data frame. The ith first data frame in the I first data frames comprises Ni first instances, each first instance in the Ni first instances comprises a first overhead, the first overhead is used for identifying or monitoring the ith first data frame, I is an integer greater than or equal to 1, Ni is an integer greater than or equal to 1, and i = 1, 2, 3... I; the second data frame includes M second instances, where M > = N1 + N2 + N3... + Ni.
Owner:HUAWEI TECH CO LTD

Method, network device, and computer-readable storage medium

This application relates to a method, a network device, and a computer-readable storage medium. An exemplary network device includes one or more hardware resources; a physical interface for receiving a hardware component; a memory; and one or more processors, implemented in circuitry and configured to: receive a hardware component that has been coupled to the physical interface of the network device; receive data for an application programming interface (API) for the hardware component; store the data for the API in the memory; and execute the data for the API to authorize secure access by the hardware component to the hardware resources of the network device. The hardware component may be an optical network interface. The resource may be a raw register of the network device. The processor may further tune the hardware component according to the configuration of the network device, such as the power management configuration of the network device or the network device itself.
Owner:HEWLETT PACKARD ENTERPRISE DEV LP