154results about "Store-and-forward switching systems" patented technology

Examples described herein include one or more processors; a network interface; and a direct memory access (DMA) engine communicatively coupled to the one or more processors. In some examples, the DMA engine is to receive a DMA data access request and based on an address in the DMA data access request corresponding to a remote memory device, the DMA engine is to cause the network interface to generate at least one packet for transmission to the remote memory device. In some examples, if the source address corresponds to a local memory device and the destination address corresponds to a remote memory device, the DMA engine is to cause the network interface to generate at least one packet for transmission to the remote memory device.

The embodiment of the invention provides a network switching method and device, electronic equipment and a readable storage medium, the method is applied to a data transmission unit, and the method comprises the following steps: acquiring multi-source data corresponding to a current network of the data transmission unit; determining network state evolution in a future time window of the current network according to the multi-source data; when the network state evolution is lower than a preset network state evolution threshold value, if a switchable network exists in the data transmission unit, determining a target network from the switchable network; and switching from the current network to the target network, so that the data transmission unit performs data transmission through the target network. According to the embodiment of the invention, data transmission can be prevented from being continued through the current network with a relatively poor network state in the future, so that the problems of data transmission jitter, switching interruption and the like are avoided, and the high-reliability transmission requirement of data can be met.

The invention relates to an intelligent security management system for a sewage pumping station, which relates to the technical field of intelligent security management and comprises a front-end sensing layer, a transmission layer, a platform layer and an application layer, the front-end sensing layer is composed of a high-definition network camera deployed on the enclosure wall of the pump station and the top of a process area, a face recognition terminal installed on the side wall of a doorframe of an entrance and exit and a license plate recognition unit, the camera is powered by a POE, and the access controller is connected with a biological recognition card reader through an RS485 bus. Omnibearing monitoring and accurate identity verification of a pump station area are achieved through a high-definition network camera of the front-end sensing layer and the biological recognition technology, illegal invasion is effectively prevented, the transmission layer is combined with the wireless Mesh network through the industrial Ethernet, the stability and the anti-interference capacity of data transmission are ensured, and the service life of the transmission layer is prolonged. And the smoothness of a monitoring picture can be kept in a complex electromagnetic environment, and rapid fusion of multi-source data and efficient processing of service logic are realized.

The invention relates to a SERDES channel control binding system and method. Various techniques are provided to configure serializer / deserializer (SerDes) channels in one or more SerDes tetrads into a configurable group using a bound link. A configuration register may configure the SerDes channels into a configurable group. A channel binding control module in each SerDes tetrad may link signals, including control signals, that travel within each configurable group. In order to synchronize the control signals, the channel binding control module may include: one or more flip-flops that introduce a fixed time delay for the control signals traveling between SerDes tetrads; and the tube level matching module introduces variable time delay to match the fixed time delay caused by the trigger. Once synchronized, the control signal reaches different SerDes channels in the configurable group at the same clock cycle.

The invention relates to the technical field of power system automation, in particular to a distributed DTU management and scheduling system, which comprises a distributed DTU cluster, a communication network layer and a cloud management platform, and is characterized in that the distributed DTU cluster is formed by hierarchically connecting public units and interval units, and the communication network layer is integrated with a point table generation and self-diagnosis module; the communication network layer supports 4G / 5G, PLC power line carrier and Ethernet multimode transmission switching; the cloud management platform comprises a point table intelligent management module, a resource dynamic scheduling module and the like. According to the system, program upgrading is achieved through a TFTP protocol, network dynamic allocation computing resources are enhanced through topology awareness graph convolution, point table file block chain evidence storage is completed through a lightweight dynamic consensus algorithm, and version compatibility checking and conflict processing are achieved through a point table intelligent management module. The DTU management efficiency, the resource utilization rate and the data security can be effectively improved, and the method is suitable for industrial Internet of Things, smart grids and other scenes.

A communication control main control board disclosed by the present invention comprises a board body, a power supply module, a main control module, a communication module and a signal control module, the communication module comprises a wired communication sub-module and a wireless communication sub-module, the signal control module comprises an input control unit and an output control unit, and the main control module is used for generating a first control instruction. The communication module is used for switching a communication mode between the communication control main control board and external communication equipment according to a first control instruction, the signal control module is used for controlling input and output of a communication signal according to the first control instruction, and the main control module comprises a fault self-diagnosis sub-module; and the alarm module is used for detecting working states of the power supply module, the communication module and the signal control module and generating corresponding alarm information. The technical scheme of the invention has multiple communication functions, can be compatible with the interconnection requirements of heterogeneous devices, realizes effective control of multiple input and output devices, is beneficial to finding abnormal working states in time, and is beneficial to improving stability and reliability.

The present invention is directed to a transmission device for efficiently forwarding data in an automobile, which allows for example 128 virtual data paths to be able to efficiently transmit data on a single physical channel. The proposed invention provides devices that are of unidirectional design and may thus be provided with low technical outlay on account of the reduced complexity. The present invention takes particular account of the requirements in an automobile, in which it is necessary to save on weight and have a high fault tolerance. The saving on weight is achieved by simplifying conventional units, to which end only a single physical path is necessary, but the devices are able to handle 128 virtual data paths. Robustness against faults is achieved according to the invention in that the structural components are of unidirectional design, and these are thus able to be provided in particularly simple form and without structural features that are susceptible to faults. The invention is furthermore directed to an input device in the transmission direction that is designed in part to have an inverse function to the output device in the reception direction, and a packet data processing device in the transmission direction and in the reception direction, and is also directed to a system arrangement comprising the proposed transmission device and the proposed reception device. Also proposed are a method and a computer program product having method steps that is suitable, in a production installation, for providing the system arrangement or the input device and the output device. A computer-readable medium containing the control instructions is also proposed.

The embodiment of the invention provides a message processing method and device and electronic equipment, and relates to the technical field of message processing. The method comprises the following steps: acquiring a target message, and determining the priority of the target message; caching the target message to a first database according to the priority of the target message; and transferring the target message with the cache duration exceeding a first preset duration in the first database from the first database to a second database. According to the scheme, the cache can be written in real time, the persistent data can be stored, and the system stability is ensured and the cost is reduced while the efficient message processing is maintained.

A first switching device in a switching system that includes a plurality of switching devices arranged in a partial mesh receives a packet directed to a second switching device in the switching system. The first switching device accesses a forwarding table to select a link via which to transmit the packet. The link is selected from among i) at least one destination link coupled to the first switching device, the destination link configured to only carry traffic, egressing the first switching device, that terminates at a next switching device directly coupled to the first switching device, and ii) at least one source link coupled to the first switching device, the source link configured to only carry traffic, egressing the first switching device, that is sourced, in the switching system, by the first switching device. The first switching device transmits the packet, via the selected link, towards the second switching device.

One embodiment is directed to an uplink signal combiner that is configured to receive, via the data network, data packets from the remote antenna units. Each of the data packets includes respective control data and respective user data. The respective control data include data for managing a communication link between a baseband unit and a respective remote antenna unit. The respective user data represents a respective uplink signal received by each of the remote antenna units from one or more mobile stations. The uplink signal combiner is configured to generate additional user data representing a first combined uplink signal by combining the user data extracted from the data packets. The uplink signal combiner is configured to transmit an additional data packet to the baseband unit. The additional data packet includes the additional user data and additional control data derived from the control data from the received data packets.

A method of communicating a message between a first component of an imaging system and a second component of the imaging system in a packet. The method comprises: determining whether a length of the message is equal to or greater than a threshold length, and when the length of the message is equal to or greater than the threshold length, communicating the message encrypted between the first and second components of the imaging system, and when the length of the message is smaller than the threshold length, communicating the message unencrypted between the first and second components of the imaging system. An imaging device comprising a first component, the first component configured to communicate a message in a packet between the first component and a second component, when the second component is installed in the imaging device.

The invention relates to a network automatic switching method and system for an IPTV private network and an OTT public network, and belongs to the technical field of network switching. The method comprises the following steps: acquiring a runtime identifier which is currently in a foreground state; determining an application type corresponding to the runtime identifier according to a matching result of the runtime identifier and a preset IPTV application white list; and switching a network interface of the Android system to an IPTV private network or an OTT public network based on the application type. According to the method, automatic switching between the IPTV private network and the OTT public network is realized, the flexibility of network resource allocation is improved, the network efficiency and security are improved, and the operation cost is reduced. And the whole network switching process is fully automatic, user intervention is not needed, and the user experience is improved.

A method includes obtaining data to be processed using at least one data transformation operation. The method further includes determining a processing path for the data to pass through at least a first data transformation engine and a second data transformation engine. The method also includes passing the data to the first data transformation engine. The first data transformation engine is to perform a first data transformation operation on the data. The method further includes passing the data to the second data transformation engine, wherein the second data transformation engine is to perform a second data transformation operation on the data.

A method for dynamically modifying routing within a service system of a communication network is proposed. This method involves, during direct, active communication between a first and second service, the conditional implementation of indirect communication between said services via an intermediate service. A corresponding module is also proposed. (See abstract figure: Figure 1)

The invention provides a network communication device and method with a dynamic packet transmission sorting mechanism. The packet classification circuit sets each low-latency packet as a selected low-latency packet for storage in a corresponding selected low-latency queue circuit. The transmission sorting circuit calculates a queue time parameter for the selected low-delay packet to sort the selected low-delay packet with other low-delay packets so as to update a sorting list. Wherein the queue time parameter is the proportion of the total queue time of the selected low-delay packet stored in the selected low-delay queue circuit exceeding the dynamic service time threshold value set corresponding to the selected low-delay queue circuit. The communication circuit sequentially transmits the low-latency packets according to the sorting list. The dynamic adjustment circuit calculates the difference between the total packet transmission time of the selected low-delay packet and the target delay threshold value so as to dynamically adjust the dynamic service time threshold value according to the difference.

There is provided a dynamically reconfigurable fieldbus communications interface comprising: programmable logic which comprises a static area and at least one dynamic area; and control circuitry configured to program the at least one dynamic area using one of a plurality of interchangeable fieldbus stack hardware configurations, each conforming to a respective fieldbus protocol type.

An example method for distributing packet flow by an electronic device including a plurality of processor cores may include receiving a plurality of packet flows for validation; validating the plurality of packet flows by a processor core(s) of the plurality of processor cores based on a validation parameter(s); sequentially distributing the plurality of validated packet flows among the plurality of processor cores for processing based on a combination of a try-lock and a ticket-lock or a core parameter; and transmitting the plurality of distributed packet flows to an electronic entity by the processor core of the plurality of processor cores.

To provide a robot that does not pollute the environment with emitted gases, emitted particles, etc. in a vacuum.SOLUTION: A robot includes: a first device for supporting a substrate thereon; and a first transport mechanism to which the first device is connected. The first transport mechanism includes: rails or magnetic levitation guides; a magnetic system for vertically spacing the first device over the rails or magnetic levitation guide with a gap between the first device and the rails or magnetic levitation guides; and a linear actuator for moving the first device along the rails or magnetic levitation guides. The magnetic system includes: a first electromagnetic actuator at a first corner of a first side of the first device; a second electromagnetic actuator at a second corner on the first side of the first device; and a third electromagnetic actuator on an opposing second side of the first device where the third electromagnetic actuator is not positioned proximate a corner of three sides of the first device.SELECTED DRAWING: None

The invention discloses an external application access method, device and equipment, a medium and a product, and relates to the technical field of computers. The method comprises the following steps: acquiring a multi-modal input request; determining access vector information according to the multi-modal input request and a vector adapter; according to the access vector information, to-be-called API information is determined, and the to-be-called API information comprises attributes and API parameters of a to-be-called target API; and calling the to-be-called target API based on the to-be-called API information to complete access to the external application. A multi-type vector unified representation space is constructed through a vector adapter, various different types of application requests can be converted into vector forms for unified packaging and expression, and seamless fusion of multi-source data on the vector level is achieved. And the required to-be-called API information is determined by analyzing the access vector information, so that the accuracy of API mapping is improved.

Embodiments of the present disclosure provide a wireless communication method and a device. A terminal device can support various capability sets, and can activate some of the capability sets supported by the terminal device. Different capability sets may correspond to different performances, such that more refined terminal energy saving can be realized. The wireless communication method comprises: a terminal device activates N capability sets among M capability sets supported by the terminal device, wherein M and N are both positive integers, M≥2, N=1, or N≥2 and N<M.

Systems are provided for scaling a network element without needing to re-cable line modules and fabric modules. A scalable fabric assembly includes a plurality of fabric modules, each fabric module having a plurality of ports; a plurality of line modules, each line module having a first set of ports configured to connect with the plurality of fabric modules and a second set of ports configured to connect with client equipment; and a plurality of Fabric Expansion Panels (FEPs) disposed between the plurality of fabric modules and the plurality of line modules and connected to the plurality of ports of each of the plurality of fabric modules and connected to the first set of ports, wherein each of the plurality of FEPs include internal connectivity that supports fan out between the plurality of fabric modules and the plurality of line modules based on a current stage.

The application discloses a Lamoeba chip architecture and a runtime reconstruction mechanism method based on an asynchronous mechanism, which combines an asynchronous reconfigurable Lamoeba chip and a reconstruction algorithm mechanism with time as a cost. The asynchronous mechanism provides a hardware basis for reconfigurable computing. The Lamoeba chip adopts a communication architecture of an on-chip mesh NoC to perform data transmission and communication on a network. The network adopts a 2D-mesh topology structure. Different types of computing modules are mounted in the network. In combination with a microprocessor in a single-chip microcomputer, software programming and routing address configuration are performed to complete the calculation of corresponding algorithms. The reconstruction algorithm calculates the data operation time, routing time and arbitration time of different paths in the network to find the shortest time allocation mode for algorithm mapping and change the deployment of the computing modules in the algorithm to the hardware resources. The application has the advantages of flexible general computing, high special computing, low power consumption without a clock and the ability to avoid various problems caused by the clock in the synchronous circuit.

The invention discloses a high-speed uplink data injection storage and forwarding system and method, a medium and equipment, and belongs to the technical field of spacecraft data transmission. The system comprises a data receiving and transmitting module, a data storage module and a data control module, wherein the data receiving and transmitting module receives an input number through an RS422 or LVDS differential interface and transmits the input number to a load, the RS422 is used for a long distance and a low rate, and the LVDS is used for a high rate; the data storage module stores data in a nonvolatile memory according to the ratio of the virtual channel identifier to the effective data of 1: 256; and the data control module performs CRC verification on the remote control frame, extracts a virtual channel identifier in the dominant header to determine a distribution port, and realizes flow control through an adjustable sending interval. The method comprises the steps of receiving and analyzing data, extracting and storing verification identifiers and distributing the verification identifiers according to instructions. According to the method, accurate multi-load distribution and link multiplexing are realized through the virtual channel identifier, the port occupation of the spacecraft is reduced, the reliability is improved by combining differential transmission and error code check, and the method is suitable for a multi-load on-orbit reconstruction scene.

Generation of descriptive information for a network trace of a telecommunications network. The invention relates to a method for generating descriptive information for a network trace comprising packets exchanged on a telecommunications network, comprising the following steps: - determination (213) of at least one characteristic from packets of the network trace; - determination (215) of descriptive information for the network trace based on at least one output of a classification model applied to said at least one determined characteristic, said descriptive information indicating at least whether the network trace corresponds to a single-activity or multi-activity situation. Figure for the abstract: [Fig 2b]

The invention relates to an apparatus, a method and a computer program. A data storage apparatus comprising means for storing one or more timers in one or more timer stores of the data storage apparatus, the timers being associated with data used by a stateless consumer network function or a state-efficient consumer network function; monitoring the one or more timers; and in response to a trigger associated with a first timer of the one or more timers, causing a notification to be sent to a consumer network function of the first timer.

The invention discloses an intelligent oiling machine system based on the Internet of Things, which comprises a microprocessor and a communication component with a multi-mode communication function, the communication component simultaneously comprises a cellular mobile communication module, a wireless communication module, a wired communication module and a star flash module, and is provided with an autonomous communication switching module, the autonomous communication switching module selects and activates one of the communication modes according to preset hardware logic so as to establish network connection; the autonomous communication switching module is integrated with two multi-purpose multiplexers and a dial switch group, one multi-purpose multiplexer is configured to be a data routing multiplexer, and the other multi-purpose multiplexer is configured to be a power supply control multiplexer. The intelligent oiling machine has the following advantages and effects that by integrating multiple communication modules and setting an autonomous switching mechanism, the dependency problem of a single communication link is effectively solved, and the reliability of the intelligent oiling machine on network connection is remarkably improved.

An access network device receives characteristic information of a first live media stream included in a switching request from a terminal device. The access network device or a user plane network element determines, based on the characteristic information, the first live media stream corresponding to the characteristic information of the first live media stream. Therefore, the access network device or the user plane network element switches a media stream sent to the terminal device, to be specific, switches the live media stream sent to the terminal device from a second live media stream to the first live media. Both the second live media stream and the first live media stream correspond to the access network device or the user plane network element. According to the method, media stream switching can be completed on the access network device side or the user plane network element side.

Techniques for managing encoded communications for medical devices in a clinical environment are provided. Different versions of signal coding libraries are generated for different devices in a communication path. A first signal coding library may be generated using a first signal definition that includes a set of fields. A second signal coding library may be generated using a second signal definition that includes a subset of the fields of the first signal definition, and excludes one or more of the fields of the first signal definition. A message encoded using the first signal coding library may not be completely decodable using the second signal coding library. By selectively deploying the signal coding libraries to different systems, devices, and components in a clinical environment, access to information in message fields can be effectively managed.

Techniques for reassembling fragmented datagrams are disclosed. Packets may be received and classified. Packets of a fragmented datagram may be stored for later reassembly. In the illustrative embodiment, a datagram is reassembled based on an identified class of service associated with the datagram. Additionally or alternatively, in the illustrative embodiment, a replay window of a replay attack detector may be tuned based on hardware performance of a compute device.

The present invention relates to the field of power system automation technology, and in particular to a management and dispatching system for distributed DTU units, comprising a distributed DTU unit cluster, a communication network layer, and a cloud management platform. The distributed DTU unit cluster is hierarchically connected by common units and interval units, the latter of which integrates a point table generation and self-diagnosis module; the communication network layer supports 4G / 5G, PLC power carrier, and Ethernet multimode transmission switching; and the cloud management platform includes modules such as intelligent point table management and dynamic resource scheduling. The system implements program upgrades via the TFTP protocol, utilizes a topology-aware graph convolution-enhanced network to dynamically allocate computing resources, employs a lightweight dynamic consensus algorithm to store point table files on the blockchain, and the intelligent point table management module implements version compatibility checking and conflict resolution. The present invention can effectively improve DTU unit management efficiency, resource utilization, and data security, and is suitable for scenarios such as the Industrial Internet of Things and smart grids.