47 results about "Heartbeat message" patented technology

The invention discloses a dynamic election method and system for an MODBUS redundant master station. The method comprises the steps that an initial master station broadcasts a specific heartbeat message to a bus regularly; all the candidate nodes continuously monitor the bus and judge whether the initial master station fails or not; if the initial master station breaks down, a master station election mechanism is triggered; calculating waiting delay time of each candidate node, and starting an ontology delay timer; when the delay timer of the candidate node expires, immediately carrying out carrier sensing, and judging whether a bus is idle or not; if the monitoring bus is idle, a master station declaration message is broadcasted immediately, and the self state is switched to a master station; and if the monitoring bus is busy, giving up the master station declaration and returning to the slave station state. Priority ranking logic is carried out preferentially through the minimum address, and it is ensured that a unique and optimal result can be rapidly output in each election process; and through carrier sensing, conflicts caused by the fact that a plurality of candidate nodes compete for the bus at the same time are effectively avoided, and the stability and reliability of the system are ensured.

Example embodiments of the present disclosure relate to a method, a device and a non-transitory computer-readable medium for distributed training. The method comprises obtaining, during a distributed training task performed across a plurality of computing nodes, at least one heartbeat message from the plurality of computing nodes, each computing node including multiple GPU workers; detecting, based on the at least one heartbeat message, an abnormal status of the distributed training task; commanding the plurality of computing nodes to run at least one self-check diagnostics test; identifying, based on results of the at least one self-check diagnostics test, at least one faulty node from the plurality of computing nodes; and replacing the at least one faulty node with an equivalent number of heathy computing nodes that have passed the at least one self-check diagnostics test.

The invention discloses a water regimen data acquisition dual-machine redundancy method and system, and the system comprises a main machine and a standby machine which are directly connected through an independent heartbeat interface. The main machine periodically sends heartbeat messages and local network configuration information to the standby machine through a heartbeat interface; and the standby machine monitors heartbeat in real time, judges that the main machine is abnormal once not receiving the heartbeat within a preset time, automatically takes over the IP address of the main machine, actively sends an address resolution protocol message according to pre-stored network configuration information so as to quickly update a forwarding table of the network equipment, immediately switches the state of the standby machine to be the main state, and synchronizes the state to a database. According to the method, automatic sub-second fault switching is achieved, the risk of key data loss is greatly reduced, continuity and integrity of water regimen telemetering data are guaranteed, meanwhile, the operation load of a background database is remarkably reduced through a main and standby mode, and the reliability of water regimen telemetering is improved. The problems that the load of the database is too heavy and automatic seamless switching of network channel data acquisition cannot be realized are solved.

Example embodiments of the present disclosure relate to a method, a device and a non-transitory computer-readable medium for distributed training The method comprises obtaining, during a distributed training task performed across a plurality of computing nodes, at least one heartbeat message from the plurality of computing nodes, each computing node including multiple GPU workers; detecting, based on the at least one heartbeat message, an abnormal status of the distributed training task; commanding the plurality of computing nodes to run at least one self-check diagnostics test; identifying, based on results of the at least one self-check diagnostics test, at least one faulty node from the plurality of computing nodes; and replacing the at least one faulty node with an equivalent number of heathy computing nodes that have passed the at least one self-check diagnostics test.

The invention discloses a distributed data processing method in a local area network based on a UDP (User Datagram Protocol), which comprises the following steps: a distributed monitoring node sends a broadcast to the local area network, and a computing node in the local area network reports own identity information to the distributed monitoring node after receiving the broadcast; after a user initiates a data processing task, the task is sent to a target computing node in a structured instruction form through a UDP, the structured instruction comprises a task ID input data path algorithm type parameter set and priority, and a distributed monitoring node dynamically allocates the task according to the comprehensive load score of each node; the computing node sends a heartbeat message to the distributed monitoring node according to a heartbeat cycle, wherein the heartbeat message comprises a node identifier, a current running state, a current task execution identifier and node resource occupation summary information; according to the method, lightweight and low-delay distributed task scheduling can be realized. And meanwhile, node fault detection and task automatic recovery are realized, manual intervention is avoided, and safe and reliable execution of the task is guaranteed.

The invention provides a state monitoring method and device and a storage medium, and relates to the technical field of communication, the method is applied to a first center universal terminal, and comprises the following steps: sending a heartbeat message to at least one universal terminal, the at least one universal terminal being a universal terminal establishing a connection with the first center universal terminal; determining whether heartbeat response messages sent by the at least one ubiquitous terminal are received or not; based on whether heartbeat response messages sent by the at least one ubiquitous terminal are received, the state of the at least one ubiquitous terminal is determined, and the state is an online state or an offline state; and for each generic terminal in the at least one generic terminal, state information of other generic terminals except the generic terminal in the at least one generic terminal is sent to the generic terminal, and the state information of other generic terminals is used for indicating states of other generic terminals. According to the scheme provided by the embodiment of the invention, the network bandwidth pressure is reduced, the network performance is improved, and the power consumption of each generic terminal is reduced.

Systems, devices, and methods for tracking reward associated with content consumption are provided. An example method includes receiving streaming content of at least one content item from a content provider, outputting, via an application being executed on the streaming device, streaming content to a display for playback of the output content, periodically generating a plurality of heartbeat messages during execution of the application. Each heartbeat message is timestamped and includes a header containing information about the at least one content item, and one or more entries indicating a current playback state regarding the output of the streaming content when the heartbeat message is generated. The method further includes transmitting the plurality of heartbeat messages to a user engagement tracking device connected to the user device and receiving a notification indicating a total duration of content output to the display during execution of the application.

A heartbeat database stores a state of a plurality of clusters and a last time of receiving a heartbeat message from each of the clusters. A data store stores a cluster priority list associated with the application process, the cluster priority list comprises a list of the clusters in an order of priority. A process monitoring application of a cluster configured to remain in the ready state when a higher priority cluster is in the active state, update to the active state when the cluster is a highest priority cluster as indicated in the cluster priority list, remain in the active state when the cluster is a highest priority cluster as indicated in the cluster priority list, or remain in the active state when the cluster is a highest priority cluster as indicated in the cluster priority list.

The invention discloses an MQTT server failover method, architecture, equipment and medium, a master node and a slave node communicate through a virtual routing redundancy (VRRP) protocol, and the master node periodically sends a VRRP heartbeat message to the slave node; when a host-level fault occurs and the slave node does not receive a VRRP heartbeat message of the master node within a preset timeout interval, the slave node takes over a virtual IP address and is upgraded to a master role; when a service-level fault occurs, the detection program running on the main node detects that the specified service is abnormal, and the main node actively reduces the priority of the main node and cancels the virtual IP address bound with the main node; and when detecting that the priority of the master node is lower than that of the slave node, the slave node immediately initiates election and becomes a new master node, and binds the virtual IP address to complete fault switching. By detecting the host-level fault and the service-level fault respectively, compared with single-point deployment, when the server fails, services can be continuously provided to the outside, and the continuity of services is ensured.

The invention discloses a running state monitoring method and device, electronic equipment and a storage medium, and relates to the technical field of computers. Creating a bidirectional forwarding detection session between the first device and the second device in a bidirectional forwarding detection module according to the identified heartbeat registration information, so as to execute a heartbeat message transceiving task based on the bidirectional forwarding detection module, and synchronizing an execution result parameter of the heartbeat message transceiving task to the first software unit, the bidirectional forwarding detection module is a hardware module specially used for monitoring link and path states between devices on the devices, and the problem of state misjudgment caused by the fact that heartbeat data packets are not sent in time due to scheduling of a central processing unit can be effectively solved by unloading heartbeat detection tasks of a software unit to the bidirectional forwarding detection module for execution. The precision of the heartbeat detection result is improved, and the pressure of executing the heartbeat detection task of the software unit by the central processing unit is reduced.

The invention discloses a detection method and device, which are used for reducing the detection burden of equipment in a network equipment system and avoiding influencing the transmission of service messages by the network equipment. The network equipment system provided by the invention comprises first-level master equipment, second-level master equipment of first slave equipment of the first-level master equipment and one or more second slave equipment corresponding to each second-level master equipment, the method is applied to any one secondary master device, and comprises the following steps: receiving a first heartbeat message sent by one or more second slave devices; and determining the state of the one or more second slave devices as a first state or a second state based on the first heartbeat message. And sending first offline notification information to the second slave device in the first state and the first-level master device, and deleting the stored first device information of the second slave device in the second state. And sending a second heartbeat message to the first-level master device, wherein the second heartbeat message is used for the first-level master device to determine whether the second-level master device is in the first state or the second state.

The invention provides a precise timing and charging method and device for an accelerator, and the method comprises the steps: generating a message queue from a heartbeat to a server through a client based on a preset second-level fixed interval, asynchronously processing the heartbeat through an independent consumption thread of the server, and updating an ordered set of Redis, wherein the Score fields in the ordered set are assigned as timestamps, and repeated client records are eliminated through the automatic duplicate removal characteristic of the ordered set; a daemon process is started based on the server side, heartbeat expiration detection is executed per second, and the heartbeat expiration detection adopts a mode of obtaining the oldest heartbeat in a blocking mode; and when the condition that the client is offline or the user actively stops is detected, the server immediately terminates the charging timer, and performs minute-level precision timing and charging in combination with the timestamps stored in the ordered set. In the timing and charging process, the acceleration duration and the member consumption duration have the same minute-level error.

The application relates to a low-voltage interconnection system software detection and master-slave switching method. The low-voltage interconnection system comprises a plurality of low-voltage areas, each of which is provided with an area intelligent terminal, the method is applied to each area intelligent terminal, and the method comprises the following steps: establishing a shared memory area for storing system running state data; sending a heartbeat message at a set time interval, and simultaneously listening to heartbeat messages of other area intelligent terminals to determine the running state of master-slave node; according to the running state of the master-slave node and the node priority order, running the local machine as a master node or a slave node; when running as a master node, collecting the system running state data and storing the system running state data into the shared memory area, and sending change data to the slave node; when running as a slave node, receiving the change data sent by the master node and saving the change data into the shared memory area. The application can realize data synchronization and real-time detection of the body and software running state of the plurality of area intelligent terminals.

This invention relates to the field of data transmission technology, and provides an FTU management method and system combining 5G and ZigBee. The invention establishes a ZigBee ring network, which includes multiple FTU devices; a master management device is determined from the multiple FTU devices; the master management device obtains connection status information of the multiple FTU devices through the ZigBee ring network; wherein the connection status information includes: the connection status between each FTU device in the ZigBee ring network and the corresponding 5G base station of the ZigBee ring network; the master management device sends a first heartbeat message to the corresponding 5G base station of the ZigBee ring network; wherein the first heartbeat message carries the connection status information. This invention solves the problem of unstable FTU communication caused by frequent release of radio access resources due to the inactivity characteristics of FTUs under RRC (Radio Reception Control) limitations.

Systems, methods, devices, and media for detecting communications faults in a control system. An example method includes using faster heartbeat messages during active communication periods between a first device and a second device to provide faster detection of communications faults. Then, during inactive communication periods, the method includes using slower (baseline level) heartbeat messages such that the first device and the second device conserve computing resources. As a result, high levels of safety integrity can be provided within a control system 100 without excessively using computing resources.

The invention discloses a block chain consensus method and device, equipment, a storage medium and a product. The method comprises the following steps: if a heartbeat message of a leader node is not monitored, switching to a candidate node and updating a current election time number of a block chain node to obtain a target election time number; generating and broadcasting a voting message according to the node identifier of the own block chain node, the target election term number and the current submitted block number, so that other block chain nodes generate and feed back a voting result according to the voting message; if it is determined that the own block chain node is switched to the leader node according to voting results fed back by other block chain nodes, updating the current work schedule number of the own block chain node by adopting the target voting schedule number to obtain a target work schedule number; and generating and broadcasting a leader confirmation message according to the node identifier of the own block chain node and the target work duration number, so that other block chain nodes locally update the current work duration number of the own block chain node according to the leader confirmation message.

The application discloses a container abnormality processing method and device, a processor and electronic equipment. It relates to the technical field of containers. The method comprises the following steps: receiving target heartbeat messages sent by multiple containers in a target node; determining a target container set that sends heartbeat messages according to the target heartbeat messages sent by the multiple containers in the target node; comparing the target container set with a predetermined container set to determine a stuck container in the target node that does not send heartbeat messages; and sending stuck information to a predetermined terminal under the condition that no heartbeat message sent by the stuck container is received within a predetermined time period, wherein the stuck information carries an identification code corresponding to the stuck container. The application solves the technical problem that the state of a container cannot be determined in time in the related art, so that the abnormal state cannot be determined in time for processing.

The application discloses a charging pile networking method and device, the method comprising: connecting multiple charging piles to the same local area network, and configuring the charging piles with IP addresses of the same network segment; selecting one charging pile from the multiple charging piles as a master, and the rest as slaves; the master generates a heartbeat message, encrypts the heartbeat message using an encryption algorithm, and broadcasts the encrypted heartbeat message in the local area network; the slave listens to and receives the encrypted heartbeat message, decrypts the encrypted heartbeat message using a corresponding decryption algorithm; after successful decryption, the slave automatically sends a registration request to the master; the master receives and processes the registration request, and registers the charging pile sending the registration request as a registered slave; and the master sends a control instruction to the registered slave to realize function control of the registered slave.

In a wireless communications system, such as a 5G CBRS system, a Spectrum Access System (SAS) assigns portions of the (CBRS) spectrum to associated base stations (CBSDs). In some embodiments, a central spectrum-database server receives information about spectrum allocations made by two or more different SASs operated by different companies and tabulates that information in a combined spectrum database that each SAS can independently retrieve for use in allocating bandwidth to its CBSDs. In some implementations, the messages between each SAS and multiple associated CBSDs are transmitted via a domain proxy that snoops on multiple spectrum-allocation-related messages (e.g., spectrum grant / revocation messages and / or heartbeat messages) to gather the information to be transmitted to the server, where the information does not include any company- or network-sensitive information.

The present disclosure provides a system (108) and a method (500) for determining status of one or more nodes in a network (106) The system (108) includes a network entity (208) configured to maintain a first status table that includes the status of one or more destination nodes. The first status table is periodically updated based on a first heartbeat message received from at least one destination node. The first heartbeat message indicates an active status of the at least one node. The network entity (208) receives a request from at least one source node. The network entity (208) checks the first status table to determine the current status of each of the one or more destination nodes in response to the received request. The network entity (208) further routes the request to the at least one destination node having the active status based on checking.

This invention discloses a method, apparatus, device, and medium for failover of edge nodes in a power Internet of Things (IoT) system. The method includes generating and broadcasting a heartbeat message for each edge node in the target power IoT system, and receiving heartbeat messages from neighboring nodes. Each node dynamically generates a state topology diagram based on its own and its neighbors' real-time heartbeat messages, and performs state trend prediction and risk assessment based on pre-acquired historical state sequences to determine whether each edge node needs failover. When a faulty node needs failover, a target migration node is determined based on the faulty node's state topology diagram, and the faulty node's service data is synchronously migrated to the target migration node, enabling the target migration node to continue executing the power IoT tasks of the faulty node. This invention enables smooth and uninterrupted service migration, improving the continuity and stability of power IoT service task execution.

The invention relates to the technical field of industrial communication, and provides a WiFi and power carrier redundant backup communication method, which comprises the following steps of: simultaneously establishing a wireless communication channel and a power carrier communication channel between a client and a control end for transmitting data; the two channels periodically send heartbeat messages containing signal strength information; the exchange control module receives the heartbeat message, extracts wireless signal strength and a power carrier signal-to-noise ratio, compares the wireless signal strength with a preset wireless signal strength threshold value, compares the power carrier signal-to-noise ratio with a preset power carrier signal-to-noise ratio threshold value, and determines a main channel according to a comparison result; when the main channel changes, data transmission is switched to the changed main channel, and the other channel serves as a backup channel and continues to send the heartbeat message. The reliability and the stability of data transmission between the wind power cabin and the fan blades are improved.

The present disclosure provides a load balancing method and device for a distributed database, electronic equipment and medium, relates to the technical field of big data and cloud computing, and particularly relates to the technical field of data storage. The specific implementation scheme is as follows: a heartbeat message sent by a first storage module is received. Then, for each shard replica in the first storage module, whether the shard replica belongs to a user and whether the shard replica is a primary shard replica are determined according to attribute information of the shard replica. Then, for each determined user, if the number of primary shard replicas of the user stored in the first storage module is greater than a preset first threshold, a first notification message is sent to the first storage module, wherein the first notification message is used to notify the first storage module to transfer part of the primary shard replicas of the user to a second storage module, and the number of primary shard replicas of the user stored in the second storage module is less than that in the first storage module. Thus, the access performance of large-table data is ensured.

The application discloses a fault processing method and device based on linkage of VRRP and BFD, equipment and storage medium, relates to the technical field of network communication, and comprises the following steps: when detecting that a BFD module is faulty, adjusting heartbeat messages of a VRRP module according to a preset heartbeat detection instruction to obtain target heartbeat messages; performing link detection according to the target heartbeat messages to obtain a detection result; and when the detection result is a link exception, triggering the VRRP module to perform route switching. The technical problem of how to maintain the rapid detection capability of a virtual route redundancy protocol for a link fault in the case of failure of a bidirectional forwarding detection module is solved; the linkage control hub actively takes over the link detection responsibility after the failure of the bidirectional forwarding detection module, upgrades heartbeat detection of the virtual route redundancy protocol from a basic mode to an enhanced mode, and therefore the link fault sensing capability is still maintained in the case of absence of the bidirectional forwarding detection module.

Systems and methods for testing a communication connection between a telecommunications network and a public safety answering point (PSAP) are described herein. To test a PSAP, a telecommunications network transmits a heartbeat message to the PSAP. The heartbeat message is a special purpose message that includes a header or other data that indicates the message is a test message. The PSAP determines if the message received from the network is a heartbeat message or an emergency call. Upon determining that a heartbeat message was received, the PSAP transmits a success response to the network, indicating that there is a communication connection between the telecommunications network and the PSAP to service emergency calls.

The invention discloses a vehicle redundant electrical architecture, a control method and a vehicle. The electrical architecture comprises a vehicle control area controller, at least one area controller, a front area controller and a power management module. The control method comprises the following steps: sending a sensing detection signal to a vehicle control domain controller, receiving a vehicle heartbeat message transmitted by the vehicle control domain controller, and controlling a front area controller to switch a redundant transmission channel when the generation of the vehicle heartbeat message or the transmission of the vehicle heartbeat message is abnormal. According to the invention, the front area controller and the plurality of area controllers are used as redundant backups of the vehicle control area controller, so that vehicle control can be taken over in time when the vehicle control area controller is abnormal or invalid, and the vehicle is controlled to stably pull over and stop and be normally powered off according to a preset safety strategy; the problem that the whole vehicle is out of control or cannot run due to the failure of a single controller is effectively avoided, the accident risk caused by out-of-control of the vehicle is reduced, the reliability and safety of the vehicle are effectively improved, and the life safety of passengers is guaranteed.

The invention concerns a High-Performance Computer that includes a plurality of nodes. Each node waits for a first time period after sending a packet, and retransmits the packet if an acknowledgement for the packet has not been received in the first time period. Each node also periodically sends a heartbeat message to each other node having a pending transaction with the node, waits for a second time period after sending a heartbeat message, and aborts the pending transaction if an acknowledgement for the heartbeat message has not been received in the second period. When receiving a negative acknowledgement after sending a packet, the each node retransmits the packet after a third time period starting from the reception of the negative acknowledgement, waits for a fourth time period and drop a packet if the node is congested during the fourth period, and sends a negative acknowledgement message.

The application discloses a device online state calculation method, a device and a storage medium, and confirms a target device identifier of a target device through a local server, adds the target device identifier into a target queue and sends the target device identifier to a remote server, confirms a target heartbeat message corresponding to the target device identifier according to all heartbeat messages sent by all devices connected successfully with the local server and received by the remote server, and further confirms the state of the target device according to the target heartbeat message; wherein the target device is a device with a heartbeat timeout in all the devices. The embodiment of the application can reduce the server resource occupation, and double-judges the heartbeat timeout of the device, solves the situation that the device state is misjudged when the device heartbeat is loaded to other servers, and can correctly and efficiently calculate the device online state.

Systems, devices, and methods related to citizens broadband radio service (CBRS) are provided. An example system includes multiple citizens broadband service devices (CBSDs) in a neighborhood proximate to a dynamic protection area (DPA) that includes multiple DPA tiles, a communication system installed on an incumbent user; and a centralized security system (CSS). The communication system can generate real-time heartbeat messages and transmit the heartbeat messages to the CSS via a secure connection. Each heartbeat message includes the DPA tile in which the incumbent user is located. The CSS can determine CBSDs associated with the DPA tile and notify the SAS of the CBSDs. The SAS can cause the CBSDs to continuously detect radar signals on an authorized radio channel, identify the CBSDs that interfere with the detected radar signals, generate a move list, and execute the move list to cause the CBSDs to prevent interference with the incumbent user.

The application discloses a kind of multi-device synchronous measurement collaborative control method and system, and the application relates to the technical field of automation control, intelligent manufacturing equipment and multi-device collaborative scheduling, constructs the full-duplex two-way communication architecture between heterogeneous intelligent measuring equipment cluster and intelligent unified control terminal, establishes the real-time interaction link of periodic heartbeat message and state data stream, and based on the preset comprehensive health degree evaluation model, the equipment health degree score of each heterogeneous intelligent measuring equipment is collected and calculated in real time, and the real-time equipment resource panoramic state table is maintained in the intelligent unified control terminal, the application breaks the simple queue type serial response limit in traditional equipment collaborative scheme, and innovatively proposes the dynamic network topology construction mechanism combining graphical task scheduling engine and directed acyclic graph, which can transparentize and visualize extremely complex three-dimensional collaborative measurement tasks.