278results about "Store-and-forward switching systems" patented technology

Examples described herein and includes at least one processor and a direct memory access (DMA) device. In some examples, the DMA device is to: access a command from a memory region allocated to receive commands for execution by the DMA device, wherein the command is to access content from a local memory device or remote memory node. In some examples, the DMA device is to: determine if the content is stored in a local memory device or a remote memory node based on a configuration that indicates whether a source address refers to a memory address associated with the local memory device or the remote memory node and whether a destination address refers to a memory address associated with the local memory device or the remote memory node. In some examples, the DMA device is to: copy the content from a local memory device or copy the content to the local memory device using a memory interface.

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.

Presented are systems and methods for timing enhancement in store and forward mode. A wireless communication node may configure a waiting duration indicative of a duration to a next service period of a satellite, and a serving duration indicative of a duration of a service period of the satellite. The wireless communication node may send the waiting duration and the serving duration, to be used by a wireless communication device during a random access procedure.

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.

Examples described herein includes a network interface controller comprising a memory interface and a network interface, the network interface controller configurable to provide access to local memory and remote memory to a requester, wherein the network interface controller is configured with an amount of memory of different memory access speeds for allocation to one or more requesters. In some examples, the network interface controller is to grant or deny a memory allocation request from a requester based on a configuration of an amount of memory for different memory access speeds for allocation to the requester. In some examples, the network interface controller is to grant or deny a memory access request from a requester based on a configuration of memory allocated to the requester. In some examples, the network interface controller is to regulate quality of service of memory access requests from requesters.

A disclosed method includes establishing a secure authenticated network connection between an apparatus located at an emergency communication center (ECC) location and operatively coupled to an ECC functional entity, and an application programming interface (API) endpoint in the cloud; performing an authentication procedure between the apparatus and the application programming interface (API) endpoint in the cloud upon establishment of an internet connection to the apparatus; obtaining data from the functional entity by the apparatus and appending ECC identification information; sending the data as packet data comprising the ECC identification information to the API endpoint; and providing a portal graphical user interface to at least one ECC entity that displays enhanced emergency call data using the packet data.

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.

According to one embodiment, a communication device includes: acquisition circuitry including a plurality of data acquirers configured to acquire data for transmission; processing circuitry configured to determine consecutive first sequence numbers for a plurality of pieces of the data acquired by the plurality of data acquirers, and to generate a plurality of packets that include the data acquired by the plurality of data acquirers and the first sequence numbers determined for the plurality of pieces of the data; and transmitting circuitry configured to transmit the plurality of packets wherein the packet includes an identifier that identifies the data acquirer having acquired the data in the packet or an identifier that identifies an application corresponding to the data in the packet.

A medical device comprises a control system, processing modules, and a wire bundle connecting the control system to the processing modules, the wire bundle comprising control lines and data lines. Each processing module is coupled to a respective set of sensors arranged to interface with a biological tissue site, the sensors being configured to capture analog physiological signals generated from the biological tissue site. The control system is configured to generate a control signal on the control lines to initiate a data collection cycle by the processing modules. In response to the control signal, each processing module is configured to perform a respective data collection process which comprises (i) capturing and processing an analog physiological signal on each enabled sensor to generate a data sample for each analog physiological signal captured on each enabled sensor, and (ii) outputting data samples to the control system on the data lines.

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.

A data transaction processing system includes a quarantine system that delays messages configured to accept a delay before being processed by the data transaction processing system. During periods of heavy network traffic, the imposed delay reduces network congestion by distributing / load leveling messages according to available computing resources. Separating messages over time also reduces the processing latency of the data transaction processing system. Messages that are routed and delayed through the quarantine system may be executed at a better transactional value than other non-delayed messages.

Provided in the embodiments of the present disclosure are an NTN-based communication method and apparatus, and a communication device, a communication system and a storage medium. The method comprises: receiving a first message from a first network function, wherein the first message is used for instructing an authorized terminal to use a storage and forwarding function, and the storage and forwarding function is used for transmitting data of the terminal in a storage and forwarding manner during NTN access. By means of the technical solution provided in the embodiments of the present disclosure, when a feeder link cannot provide continuous connection in an NTN scenario, service communication between a terminal side and a network side is realized.

The invention discloses a configuration content acquisition method for multi-machine room service, each machine room is provided with a proxy service subsystem and an application service subsystem, the method comprises the following steps: a configuration end writes configuration content into a key value storage subsystem to generate change event information, and the change event information comprises a storage version message; the proxy service subsystem of each machine room monitors change event information of the key value storage subsystem, obtains a storage version message, pulls configuration content from the key value storage subsystem according to the storage version information, and stores the configuration content in a local cache; and the application service subsystem accesses the proxy service subsystem related to the proxy service pointing strategy through a long polling mechanism to obtain the configuration content. The requirement for obtaining the configuration content through cross-machine-room access of the application service is reduced, the configuration content can be obtained in time, and when the proxy service fails, the configuration content can be obtained from the proxy service of the remote machine room. The invention further provides a corresponding system, electronic equipment and a computer readable storage medium.

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 sequence replay definition code package 107 defining a connections per second (CPS) and / or replay test is written as some source code in an abstraction language (e.g. P4 or NPL). The source code pac

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 present application provides an information push method, device, electronic device and storage medium, the information push method includes: receiving a selection operation of a message push icon issued by a first user in a first display interface of a first target program, displaying a second display interface, the first display interface and the second display interface being two interfaces belonging to the first target program; receiving a selection operation of a second user in a user list to be pushed messages in the second display interface by the first user, obtaining second user identification information corresponding to the second user selected by the first user; in the second target program, pushing a target message to the second user through a second target program user identification corresponding to the second user identification information, the second target program and the first target program being two different programs. Through the method of the present application, the efficiency of the first user in pushing messages to other users can be improved.

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.

A wireless high resolution headphone device includes a first headphone including a first speaker and a second headphone including a second speaker. The device further comprises a first wireless transceiving unit, and the first wireless transceiving unit works under a first bandwidth to communicate with external user equipment so as to receive control and / or configuration signals from the external user equipment. And the second wireless transceiver unit works under a second bandwidth greater than the first bandwidth and communicates with a media source far away from the earphone equipment so as to receive the high-resolution audio content from the media source. The processor receives and processes the high resolution audio content to generate an audio output signal. The processor also receives and processes the control and / or configuration signals to control operation and configuration of the headset device. An audio amplifier amplifies the audio output signal to drive the first speaker and the second speaker to present an audio output. The rechargeable battery supplies power to the equipment.

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.