318results about "Star/tree networks" patented technology

In an aspect, systems and methods of connected nodes, including electronic control units (ECUs) in a vehicle, integrate remote direct memory access (RDMA) capabilities with time-sensitive networking (TSN) traffic shaper configurations in a manner that guarantees lossless, bounded-latency critical traffic (CT) streams, while also allowing for different classes of traffic to flow through the connected nodes. In another aspect, mechanisms are introduced to enable an automotive software framework (e.g., classic AUTOSAR) to support RDMA communications.

The invention relates to the technical field of wireless communication, in particular to a hospital district wireless network system supporting an internet of things protocol, which is characterized in that a multi-protocol dynamic scheduling engine intelligently selects a protocol stack by utilizing a lightweight reinforcement learning model through a three-layer dynamic decision-making architecture; the time-sensitive hybrid topology network adopts dual-mode topology fusion to provide a star network and low-delay time slot distribution for emergency equipment; the cross-protocol security aggregation gateway realizes cross-protocol data encapsulation and field-level mapping based on a unified data head of the medical Internet of Things; the intelligent spectrum anti-interference unit monitors and analyzes a hospital frequency band electromagnetic environment in real time to obtain a spectrum sensing information result, and feeds back the spectrum sensing information result to the multi-protocol dynamic scheduling engine and time-sensitive hybrid topology network. According to the invention, the multi-protocol dynamic scheduling engine is combined with the time-sensitive hybrid topology network, so that the communication problems of equipment types and complex environments can be solved.

A method for monitoring a data network in a motor vehicle is provided, wherein a switch device is operated in the data network, in which physical ports for receiving and for transmitting data packets are interconnected via a switch circuit. A network processor reads out detection data in monitoring positions of the data packets and forms pseudo target determination data for an associative memory therefrom, which actually is to process target determination data for a target port determination, and it is examined if certain action data results, which signalizes a necessity of a detection action, by inputting the pseudo target determination data into the associative memory.

The invention discloses a downlink message control method of a star topology network and a server for executing the control method. The star topology network comprises a server, a plurality of gateways and a plurality of nodes. The nodes communicate with the server through the gateway, and the server allocates a timer for each of the gateways. The control method comprises the following steps: 1, judging whether a node is newly accessed to the star topology network; if so, entering the step 2; Step 2, establish a node-gateway topology relationship to determine a coverage area of each gateway and a coverage area of each node; 3, allocating one of a plurality of downlink frequency points to a newly access node; 4, requesting the gateway to send the message request when the frequency requiredfor the message request to be sent by the gateway is not used by the gateway in the coverage area of the destination node of the message request. The invention can more efficiently solve the problem of co-frequency interference of downlink communication of star topology network.

The invention discloses a cluster collection communication system applied to AI data stream processing, which relates to the technical field of distributed systems and network engineering and comprises a topology network deployment module, a data stream spatio-temporal data acquisition module, an optimization verification module, a state monitoring and early warning module and a visual traceability module. The topology network deployment module synchronously processes AI data streams, the data stream spatio-temporal data acquisition module extracts an entropy value and a covariance matrix, the optimization verification module outputs optimization parameters and a credible verification result, the state monitoring early warning module sets an adaptive threshold value to realize graded early warning, and the visual traceability module generates a three-dimensional thermodynamic diagram and a traceability graph. According to the method, the data stream processing efficiency is improved through the star-ring hybrid topology and the low-delay protocol, the decision credibility is enhanced in combination with quantum optimization and block chain verification, accurate early warning and three-dimensional visual traceability acceleration fault positioning are realized by using dynamic weighted monitoring and an adaptive threshold, and an efficient and intelligent full-stack solution is provided for AI trunking communication.

A switched network, an online computing method for a switched network, an electronic device, and a non-transitory computer-readable storage medium. The switching network includes a plurality of switching nodes connected to each other to provide a communication network, where the plurality of switching nodes each include an in-network computing proxy node configured to receive and perform in-network computing tasks. The switching network can reduce communication delay and improve efficiency.

The invention discloses an LVDS (Low Voltage Differential Signaling) type daisy chain communication method based on effective signal detection, which relates to the technical field of communication, and comprises the following steps: S1, setting acquisition nodes, and connecting all the acquisition nodes in series by using a differential LVDS link to form a daisy chain topological structure in a grading manner; s2, keeping the transceivers in the daisy chain topological structure in a sleep mode and keeping real-time detection; s3, when a high pulse signal is detected, waking up the LVDS module to receive data; and S4, after confirming that the parameters take effect, generating a response packet, returning the response packet to the computer end, returning to a dormant state, and forming a communication transmission energy-saving closed loop. According to the invention, through a mechanism of event triggering and local node participation, the system is awakened when a high-pulse effective signal is detected, so that the power consumption overhead caused by that all nodes are always active in a traditional communication architecture is avoided; the method has the advantages of greatly reducing the average power consumption of daisy chain data communication, improving the overall response rate of the system and reducing the confirmation time delay.

The invention discloses a heterogeneous networking architecture and method based on an electric red-hong system distributed soft bus, the heterogeneous networking architecture comprises an equipment grading module, a hybrid topology networking module, a main / standby path configuration module and a communication protocol adaptation module, the equipment grading module divides equipment into a rich type and a thin type according to capability, the rich equipment takes the core role of relay and calculation, and the thin equipment takes the core role of relay and calculation; the thin device focuses on the basic function, accurate resource allocation is achieved, and computing power waste is avoided; the hybrid topology networking module enables rich equipment to construct a mesh topology through a high-speed link, and multi-path transmission of key data is guaranteed; the thin device is connected with the rich device in a single-hop mode to form a star topology, connection is simplified, the communication range is expanded by means of the rich device, and efficiency and coverage are both considered; the main and standby path configuration module is used for configuring double paths for equipment, and automatic switching is realized when a main path fails, so that the anti-fault capability is greatly improved, and equipment disconnection caused by a single link fault is completely eradicated; the communication protocol adaptation module dynamically selects a protocol according to needs, breaks the protocol barrier, reduces the conversion delay, and improves the overall communication efficiency and compatibility.

A deep well ventilation system is a core link for guaranteeing safe production of a mine and is also a key technical challenge for realizing efficient and green mining of an ultra-large deep well mine. Ventilation energy-saving optimization is an important subject which must be solved by deep well mining. In a deep well ventilation system, reasonable configuration of a communication network structure is a basic guarantee for achieving real-time monitoring of underground environment data and reliable transmission of control instructions. The main contradiction faced by the current deep well communication network design lies in that the network redundancy design introduced for improving the reliability of data transmission can enhance the fault-tolerant capability of the system, but also causes the problems of complex network topology structure and increased construction cost at the same time. In order to solve the technical problem, the invention provides a communication network design and configuration method suitable for a mine ventilation scene. According to the method, a quantitative relation model of the network construction cost and the safety performance is innovatively established, and the optimal network node configuration scheme is determined through target optimization. Particularly, according to the method, the high reliability of the ring network and the high efficiency of the tree network are fused, so that the optimal design of the communication network topology structure is realized, and the network economy is remarkably improved while the system reliability is ensured.

A chassis front-end is disclosed. The chassis front-end may include a switchboard including an Ethernet switch, a Baseboard Management Controller, and a mid-plane connector. The chassis front-end may also include a mid-plane including at least one storage device connector and a speed logic to inform at least one storage device of an Ethernet speed of the chassis front-end. The Ethernet speeds may vary.

To provide systems, methods, and devices for improved routing operations in a network computing environment.SOLUTION: An architecture 400 for host routed overlay includes a virtual customer edge router (virtual CE router), a plurality of host virtual machines, and a routed uplink from the virtual customer edge router to one or more of a plurality of leaf nodes L1 to L4. The architecture is such that the virtual customer edge router provides localized integrated routing and bridging (IRB) service for the plurality of host virtual machines of the host routed overlay.SELECTED DRAWING: Figure 4

A main and auxiliary engine communication control method for multiple ship propellers relates to the technical field of ship power control, and comprises a main control propeller and a plurality of auxiliary control propellers, the main control propeller is installed at the leftmost position of a ship body tail plate, and the auxiliary control propellers are installed at other positions of the ship body tail plate in parallel. MAC addresses with the same mark code segment are pre-burnt in the main control propeller and the auxiliary control propeller; the master control propeller establishes a bidirectional data link with the remote controller through a wireless communication protocol; a single-hop star topology network is established between the main control propeller and the auxiliary control propellers, and the main control propeller sends a composite instruction packet to each auxiliary control propeller through a single broadcast channel; and each auxiliary control thruster returns state data to the main control thruster through an independent time division multiple access uplink channel. According to the invention, the defects in the prior art are overcome, the rapid identification and accurate positioning of the equipment are realized, the management and maintenance of the system are simplified, and the flexibility and expandability of the system are greatly improved.

Apparatus and methods for constructing Network on Chips (NoCs) by algorithmically elaborating one or more of Network on Chips (NoCs) through a hierarchical topology composed of instantiations of sub-NoCs and leaf components, and one or more connectivity definitions. Designing NoCs using one or more instantiations of sub-NoCs reduces overheads during chip backend processes, such as for timing closure.

In the present invention, an optical path-designing device, by using a scheme that has been reinforcement-trained so as to reduce the amount of optical fiber resources used in an optical network having a plurality of nodes connected by optical fibers, selects an optical path demand to which the optical fiber resources are to be allocated, on the basis of frequency allocation state information indicating available frequencies in each of the optical fibers and optical path demand group information indicating a plurality of optical path demands indicated by combinations of start point nodes and end point nodes. The optical path-designing device refers to the frequency allocation state information, and determines a path and a frequency in the optical network to be allocated to the selected optical path demand such that a low or high frequency is given higher priority.

According to an aspect, there is provided an elevator communication system. The system comprises an ethernet bus; a controller communicatively connected to the ethernet bus and being configured to communicate via the ethernet bus; a plurality of elevator system nodes communicatively connected to the ethernet bus and being configured to communicate via the ethernet bus, wherein each elevator system node is associated with a respective landing; a landing bus segment at each landing, the landing bus segment being connected to the elevator system node associated with the landing; landings nodes at each landing connected to a respective landing bus segment. Each elevator system node of the plurality of elevator system nodes is provided with a connecting unit to enable communication between the ethernet bus and the respective landing bus segment.

An optical communication device includes a signal multiplexing unit that multiplexes a plurality of client signals and a signal transmission unit that converts a first multiplexed signal obtained by the multiplexing to an optical signal and transmits the optical signal. The optical communication device is a device capable of receiving data traffic greater than data traffic corresponding to a predetermined communication bandwidth.

A system that supports geographically dispersed remote optical line terminals.

A communication device according to an embodiment of the present disclosure comprises: a communicator; and a processor configured to: if a network composed of a first topology including a star topology or a line topology is included on a communication path connecting the communication device and the other communication device, configure data to be transmitted to the other communication device through a first interface for accessing a RAPIEnet (Real-time Automation Protocol for Industrial Ethernet)-based upper layer and an Internet Protocol (IP)-based lower layer, and transmit the data to the other communication device through the communicator using the communication path.

The present disclosure relates to the technical field of bus communication, and provides a networking system and method based on IEEE 1394 protocol. The system comprises a central hub, a target hub and a target terminal device. The central hub comprises a plurality of central connection ports, and there is an intercommunication data link between each two of the central connection ports. The target hub comprises a target uplink port, which is connected to one of the central connection ports through a target cable complying with IEEE 1394 technical specification. The target terminal device is connected to one of the target downlink ports of the target hub through a target cable. If a first connection port of the central connection ports receives a data packet sent by the target terminal device, the central hub forwards the data packet to a second connection port of the central connection ports based on a load balancing algorithm. The technical scheme provided by one or more embodiments of the present disclosure can effectively integrate the device resources of multiple hubs.

A communication system includes a connection module, a processing module, and K nodes. The connection module is configured to connect the processing module and the K nodes. The processing module includes L communication units, where each of the L communication units corresponds to one node, the L communication units include a first communication unit, and the K nodes include a first node. The first communication unit is configured to process a packet of the first node that corresponds to the first communication unit.

Methods, systems, and apparatuses are provided for managing and routing data in a multi-tier network architecture. The methods include transmitting a data flow comprising a sequence of data packets to a source leaf switch and determining if an intended route exists in a forwarding table stored at the source leaf switch using routing metadata. If the intended route does not exist, a control packet is transmitted to a centralized coordinator switch, which modifies an allocation table to include an updated route. The forwarding table at the source leaf switch is then updated with the updated route, and the data flow is transmitted to its destination.

A communication system according to the present invention includes a first control device and a second control device. The first control device includes: a first communication device control unit that controls the activation of communication devices and generates state information for the communication devices; a first storage device that stores the state information for the communication devices; and a first activation control unit that determines whether or not the first communication device control unit has failed. The second control device includes: a second communication device control unit; a second storage device; and a second activation control unit in which a circuit for activating the second communication device control unit and the second storage device is held in a non-transitory recording medium. When it is determined that the first communication device control unit has failed, the first activation control unit instructs the second activation control unit in cold standby to activate the second communication device control unit and the second storage device, the second activation control unit activates the second communication device control unit and the second storage device, and the second communication device control unit controls activation of the communication devices on the basis of the state information for the communication devices.

Techniques for operating a network device are provided. In some embodiments, a method may comprise: forwarding multicast data packets from a source in a first customer network to a receiver in a second customer network; detecting that another PE device is forwarding the multicast data packets, wherein: Protocol Independent Multicast (PIM) is enabled on supplemental bridge domain (SBD) logical interfaces of the PE device and the another PE device, the PE device and the another PE device are PIM neighbors, and the PE device and the another PE device communicate with each other and with the receiver using the PIM protocol through an Ethernet virtual private network (EVPN). The method may further comprise: determining the another PE device is an assert winner from among the PE device and the another PE device based on at least one PIM assert message, the another PE device forwarding the multicast data packets.

To provide a method of operating a session management function (SMF) entity of a wireless communication network and a method of operating user plane function (UPF) entity of a wireless communication network.SOLUTION: A method comprises receiving an Ethernet (ETH) context for a wireless terminal (UE) from a source user plane function (UPF) entity. The ETH context is provided for an Ethernet Protocol Data Unit (PDU) Session for the UE using the source UPF entity and includes a Medium Access Control (MAC) address for the UE. The method also comprises transmitting the Ethernet context including the MAC address for the UE to a target UPF entity.SELECTED DRAWING: Figure 2

Embodiments of the present disclosure relate to a data transmission system, which includes: a first ring network including a plurality of first EPA switches; a second ring network including a plurality of second EPA switches; a plurality of first terminal devices communicatively connected to a first target switch among the plurality of first EPA switches and a second target switch among the plurality of second EPA switches; and a plurality of second terminal devices communicatively connected to a third target switch among the plurality of first EPA switches and a fourth target switch among the plurality of second EPA switches; the first target switch is different from the third target switch, and the second target switch is different from the fourth target switch. This data transmission system can ensure the stability of EPA network data transmission.

An optical line terminal includes: one or more optical line termination units to which an optical network unit of an optical communication system is connected, the one or more optical line termination units acquiring an allocation requested bandwidth from the optical network unit connected; a slice management unit that manages slice configuration information indicating which slice each of the optical network unit connected to the optical line termination unit is included in, and manages a limitation on allocation of bandwidth for the optical network unit as a parameter for allocating bandwidth; and a bandwidth allocation unit that determines, for each of the slice, an allocated bandwidth for each of the optical network unit connected to the optical line termination unit on the basis of the allocation requested bandwidth, the slice configuration information, and the parameter for allocating bandwidth.

The present disclosure describes a data center system including an instruction processing device for a chassis including one or more boards, a board including a set of cards, a card including a computing node or a processing device and a controller. The controller can receive an instruction from the instruction processing device through a first communication network between the controller and the instruction processing device. Based on the instruction, the processing device of the card can generate an operation result and provide the operation result to another device of the board through a second communication network different from the first communication network. The second communication network can have a ring topology or other topology. The instruction processing device can further operate a hierarchical manager to create a network manager to manage the operations of the board.

Techniques for combining the functionality of fabric interconnects and switches (e.g., Top-of-Rack (ToR) switches) into one network entity, thereby reducing the number of devices in a fabric and complexity of communications in the fabric. By collapsing FI and ToR switch functionality into one network entity, server traffic may be directly forwarded by the ToR switch and an entire tier is now eliminated from the topology hierarchy which may improve the control, data, and management plane. Further, this disclosure describes techniques for dynamically managing the number of gateway proxies running on one or more computer clusters based on a number of managed switch domains.

Systems, methods, and devices for offloading network data to a datastore. A system includes a publisher device in a network computing environment. The system includes a subscriber device in the network computing environment. The system includes a datastore independent of the publisher device and the subscriber device, the datastore comprising one or more processors in a processing platform configurable to execute instructions stored in non-transitory computer readable storage media. The instructions includes receiving data from the publisher device. The instructions include storing the data across one or more of a plurality of shared storage devices. The instructions include providing the data to the subscriber device.

Communication method between participants (100,11,12,13,14) of a network (101) which has several components (100,11,12,13,14) of a mechatronic system, wherein user data (D11,D12,D13,D14) are communicated between the participants (100,11,12,13,14) via the network (101) by means of telegrams, wherein logical and / or physical communication links (102) exist between participants (100,11,12,13,14) of the network (101) via which the telegrams (103) are transmitted, where user data (D11,D12,D13,D14) of several participants (100,11,12,13,14) are summarized in a summary frame telegram (1-8,1'-8') and the summary frame telegram (1-8,1'-8') is sent to participants (100,11,12,13,14) of the network (101), using a configurable routing structure through which the telegrams (103) are routed, wherein the configurable routing structure contains at least one sub-route (R1) that covers only a part of the participants (100,11,12,13,14) of the network (101), wherein at least one sub-telegram (1,1') is constructed for this sub-route (R1), which as a summary frame sub-telegram (1,1') contains only payload data (D11,D12,D13,D14) from participants (100,11,12,13,14) of this sub-route (R1), where the summary frame sub-telegram (1,1') is routed via this sub-route (R1), where participants (100,11,12,13,14) of the sub-route (R1) can each extract their payload data (D11,D12,D13,D14) from the summary frame sub-telegram (1,1') and / or write their payload data (D11,D12,D13,D14) into the summary frame sub-telegram (1,1'), where a network configuration module (101) automatically determines the configuration of the summary frame sub-telegram (1-8,1'-8') based on the routing structure, wherein at least one subroute (R1-R8) with the configuration of the associated summary frame sub-telegram (1-8,1'-8') is transmitted to the participants (100,11,12,13,14) of the subroute (R1) and is used there for routing and / or extracting and / or writing the payload data (Dnn).