38results about How to "Reduce risk of disruption" patented technology

An embodiment of the invention discloses a memory database hot-standby method and a host. The memory database hot-standby method includes respectively writing an operation log recorded in real time to an active disk pack and at least one standby disk pack by the host; and de-hooking the at least one standby disk pack which stores the operation log from the host and hooking to a standby machine when switch of a dual microcomputer triggers. According to the technical scheme, reliability of a system can be increased effectively, and the risk of service interruption is reduced.

A method for realizing communication service maintaining of double-module terminal at the state of network congestion comprises the following steps: establishing a wireless link to a first mode network by the double-module terminal for executing service transfer of data or sound; at the state that the first mode network generates wireless resource shortage or network congestion, negotiating with a second mode network by a first mode network according to the double-module property of terminal, requesting to establish the service channel to the terminal on the second mode network; determining whether the establishing of service channel to the subscriber is allowed by the second mode network, if the transmission is allowed, transferring the service parameter to be established to the first mode network, and then transmitting to the terminal, switching the terminal from a first mode to a second mode for continuing the service; and refusing the accessing of terminal if the transmission is not allowed. The method of the invention settles the condition that a certain standard network in the double-module network coexistence area has unbalanced load, increases the usage factor of wireless resource of double-module network, reduces the risk of service interruption thereby increasing the communication service quality of user terminal.

The invention discloses an inter-local area network communication method and device based on an SD-WAN, a readable storage medium and control equipment. The method comprises the steps that CPE and POPwhich are connected into an SD-WAN controller in advance are grouped; whether the two branch CPE devices are private network IPs or not is detected, if not, mutual access between the CPE devices is achieved, tunnel flow is communicated with the POP, and the POP point conducts routing forwarding to the corresponding port according to the line quality grade; if yes, the initiating end CPE devices acquire network information of the receiving end CPE from the SD-WAN controller and initiates a direct connection request to the receiving end CPE; if the receiving end CPE receives the request, an ACKmessage is returned to the initiator, and direct connection between CPEs is completed; and if the CPE of the receiving end does not receive the request, the CPE of any party sends an application to the SD-WAN controller and requires the SD-WAN controller to assist in completing the direct connection request. According to the invention, the problems of low transmission speed, low communication stability and high security risk during communication connection of different local area networks can be solved.

The invention, which relates to the operation maintenance field of the communication network, discloses a margin checking system for a power communication network. On the basis of a topological structure of a power optical communication system, an importance weight of a carrier power business is used as an analysis factor and main factors affecting reliability of optical transmission equipment and an optical fiber link are taken into consideration comprehensively; and the communication risk probability existing in the power business is analyzed to realize advanced early warning, automatic route optimization selection is carried out on a business channel with a communication risk, and prevention measures are taken to reduce the risk of interruption of the power business. The system mainly comprises a reliability evaluation model of a communication network and a risk evaluation algorithm of a business path. According to the invention, the scientific and effective analysis means is provided for network usability, so that the communication operation maintenance staff can find the communication network margin accurately; and the practicability is high.

The invention provides a frame of a sewing machine, and belongs to the technical field of sewing machine accessories. The technical problems that the frame structure of an existing sewing machine is inconvenient to move, poor in adaptability and the like are solved. The frame comprises two tubular bases, each base is vertically and fixedly provided with a stand column, an upper supporting pipe anda lower supporting pipe are movably inserted to the two ends of each base correspondingly, the lower side of each lower supporting pipe is provided with a lower rack, and the upper side of each uppersupporting pipe is provided with an upper rack; a meshing gear is arranged between each upper rack and the corresponding lower rack, and a lower transmission shaft is connected to the meshing gears;a vertical lifting support column is slidably arranged on each stand column, and an upper transmission shaft capable of driving each lifting support column to move up and down is arranged below the lifting support column; a driving shaft capable of driving the corresponding upper transmission shaft and a lower transmission shaft to rotate respectively is further arranged on each stand column; andsupporting foot assemblies are mounted at the bottoms of the outer ends of the upper supporting pipes and the lower supporting pipes. The frame is convenient to move; and the distance between the supporting foot assemblies and the height of a table plate can be adjusted, and the adaptability is strong.

The embodiment of the invention provides a message forwarding method and device. When the next jump-out port for forwarding the to-be-forwarded message is the port of the aggregation logic link, whether the to-be-forwarded message has message feature information corresponding to a preset specific message is detected, and when the to-be-forwarded message has the message feature information corresponding to the preset specific message, the to-be-forwarded message is shared to a corresponding aggregation member link for forwarding in a packet-by-packet load balancing mode through switching. Thus,the specific to-be-forwarded message is switched to the packet-by-packet load balancing mode, so that the problem that the bandwidth of each aggregation member link is extremely unbalanced due to unbalanced traffic of the service message can be reduced, the risk of network interruption due to insufficient network bandwidth is reduced, and the network stability is improved.

The embodiment of the invention discloses a cross-computer room service scheduling method, a cross-computer room service scheduling apparatus, a cross-computer room service scheduling system and a server. The method comprises the following steps: a central control node receives a heartbeat information sent by a normal node; if the central control node is failed in receiving of the heartbeat information sent by the normal node within a preset period of time, a communication state is judged as a failure state and the normal node in the failure state is judged as a failure node; according to a ratio of the number of the failure nodes to the node amount of the normal nodes which build a heartbeat connection with the central control node, a rate of scheduling for service network elements on thefailure node is controlled. The rate of scheduling for the service elements on the failure node is controlled according to difference of the node amount of the normal nodes in heartbeat connection with the central control node and the ratio of the number of the failure nodes to the node amount of the normal nodes which build a heartbeat connection with the central control node, thus, risk of service interruption is reduced, and stability of services in cross-computer room service access is improved.

The present invention provides a service tunnel migration method and system. The service tunnel migration method comprises: determining whether a service tunnel to be migrated into or out of a shared ring is configured with a protection tunnel, and if not, configuring a protection tunnel for the service tunnel; switching a service borne on the service tunnel to the protection tunnel; migrating the service tunnel into or out of the shared ring; and switching the service borne on the protection tunnel to the service tunnel. In the method provided in the present invention, by configuring a protection tunnel for a service tunnel to be migrated into or out of a shared ring, switching a service borne on the service tunnel to the protection tunnel before migrating the service tunnel into or out of the shared ring, and switching the service to the service tunnel again after migrating the service tunnel into or out of the shared ring, it is ensured that the operation of migrating the service tunnel into or out of the shared ring does not affect the service, and the service is not interrupted even if the migration of the service tunnel into or out of the shared ring fails, so that operation security is improved.

The invention discloses a message sending method, a node, a device, a system and related equipment, the method is applied to a message sending system comprising at least two message sending nodes, andthe method comprises the following steps: any message sending node in the message sending system receives a to-be-sent message sent by a producer; and any one message sending node synchronizes the message to be sent to other message sending nodes in the message sending system, so that any one or more message sending nodes in the message sending system send the message to be sent to consumers. According to the message sending method and device, even if one or more message sending nodes in the message sending system break down, the normal operation of the message sending system is not influenced, the influence of the main and standby switching operation of the nodes on message sending is avoided, and the risk of message sending service interruption is reduced.

The embodiment of the invention provides a data transmission method and system and electronic equipment, and relates to the technical field of communication. The method comprises the steps that a penetration device receives database connection information transmitted by an external network server and establishes connection with a database; the penetration device initializes a storage process to adatabase; and the penetration device receives a service request sent by the extranet server and sends the service request to the database through the strong isolation device, the database calls a storage process after receiving the service request, the storage process sends a request message to the intranet server through an http request mode, and when the database does not support the http request, an http request plug-in is installed in the database in advance. The extranet server can use the database to send the http request only by calling the penetration device, real-time communication with the intranet service is achieved, the purpose of unpacking and using is achieved, user experience and stability are improved, the request message is responded in real time, the pressure of the database is relieved, and the interruption risk is reduced.

An embodiment of the invention discloses a terminal protection device, comprising a fixing frame, a protection door and a locking structure; One end of the fixing frame is fixedly installed on the power distribution panel, and the other end of the fixing frame is rotatably connected with the protection door; When the terminal is charged, the locking structure between the fixture and the protectiondoor forms a locking structure, and the protection door is in a closed state and is blocked on the surface of the terminal. The technical proposal of the present application solves the technical problem that when expanding the capacity of a communication DC power supply system in which two sets of high-frequency switching power supplies share a set of DC distribution panels, the terminal on the operation side is prone to be loosened by mistake, and the communication of the entire substation is completely interrupted. A DC power distribution panel is also disclosed in that embodiment of the present application.

An apparatus and method to be implemented with a control loop system that includes machine set, wherein the machine set includes a working machine, an electric motor driving the working machine, and a final control element, and wherein the apparatus and method optimize the state of the machine set to minimize power consumption of the motor and maximize reliability of the machine set.

The invention discloses a distributed NAT duplicated hot-redundancy traffic switching system and method. The system comprises: a master, a slave, and a router connected to a public network, wherein the master is used for issuing high-priority routing to the router based on a configured NAT conversion table of each service CPU in the local, and in the case of a fault of a certain service CPU of themaster, sending a notification message of the fault of the service CPU to the slave and canceling the public network routing belonging to the faulty service CPU; and the slave is used for issuing low-priority routing to the router based on the configured NAT conversion table of each service CPU in the local, and switching a service table entry state of the service CPU corresponding to the faultyservice CPU in the master into a master state upon receiving the notification message; and the NAT conversion tables of the service CPUs in the master and the slave are the same. By adoption of the distributed NAT duplicated hot-redundancy traffic switching system and method disclosed by the invention, the traffic switching number is reduced, the risk of traffic interruption is reduced, and the connectivity of service traffic switching is improved.

Embodiments of the invention provide a flow calculation data link assurance method and system. The method comprises the steps of calculating collected data by using multiple flow calculation data links in real time, and acquiring multiple pieces of real-time calculation result data, wherein each data link of the multiple flow calculation data links comprises a data calculation system and a data storage system, and the data calculation systems and the data storage systems of the data links are independent; comparing the multiple pieces of real-time calculation result data generated by the multiple flow calculation data links, and acquiring a comparison result; and when it is determined, according to the comparison result, that at least one flow calculation data link fails, switching a dataservice system depending the failing flow calculation data link to a flow calculation data link running normally. The flow calculation data link assurance method and system can make the data link moresecure and lower the service interruption risk effectively.

The invention relates to a high-voltage motor monitoring system based on optical fiber power supply and wireless communication. The high-voltage motor monitoring system comprises a high-voltage motormanagement device and at least one high-voltage motor measurement device, the high-voltage motor management device is used for measuring the state of a high-voltage motor; the high-voltage motor management device is used for performing optical fiber power supply, data acquisition and state monitoring on each high-voltage motor measurement device; and by sending the state data of the high-voltage motor management device to the high-voltage motor management device, the laser leakage problems such as optical fiber breakage and fracture of an optical fiber power supply link are monitored in time,and the safety risk in industrial production is greatly reduced. The optical fiber power supply link is effectively managed through power supply management, and the problems of stability and safety ofoptical fiber power supply are solved.

According to the change task processing method and the related device provided by the embodiment of the invention. A first notification is sent to a client node cluster, and the first notification isused for indicating the client node cluster to process the change task. And a candidate script of the task client in response to the change task is received. And a second notification is sent to a consensus client, wherein the second notification is used for indicating the consensus client to audit the candidate scripts. And a change script is determined according to the received feedback information. The feedback information is used for indicating an auditing result of the consensus client on the candidate script, and the change script is used for carrying out a change operation on the operation object, so that the change script is obtained according to the auditing result of at least one consensus client, and the accuracy of the changed script is improved; the client node cluster comprises at least three clients which are deployed in a distributed manner, so that the risk of interruption of a change task processing process caused by failure of assignment of the change task due to abnormal operation of a specific client can be reduced.

An embodiment of the invention discloses a memory database hot-standby method and a host. The memory database hot-standby method includes respectively writing an operation log recorded in real time to an active disk pack and at least one standby disk pack by the host; and de-hooking the at least one standby disk pack which stores the operation log from the host and hooking to a standby machine when switch of a dual microcomputer triggers. According to the technical scheme, reliability of a system can be increased effectively, and the risk of service interruption is reduced.

The invention provides a high-reliability high-density large-capacity inbound signal cluster processing device and method, and the device comprises a preprocessing device, a digital switching network, a signal processing device resource pool, a cluster management server, and an information fusion storage system. The high-reliability, high-density and high-capacity inbound signal cluster processing method and device are characterized in that preprocessing equipment is connected with a digital switching network, the digital switching network is connected with a signal processing equipment resource pool, and the signal processing equipment resource pool is composed of a plurality of signal processing clusters. The method is more suitable for the large-capacity requirement of a satellite navigation communication system, improves the system configuration maneuverability and flexibility, improves the backup equipment utilization rate, reduces the equipment cost, enhances the backup reliability, and reduces the system service interruption risk through the unified and coordinated management of the signal processing equipment resources.

The embodiment of the invention discloses a video security access system and method. The system comprises a switch device, a main control device and a standby control device. Wherein the switch equipment is configured to divide a received video data flow into a default release service flow and a control flow for flow definition; and sending the control traffic to the primary control device and sending the service traffic to the standby control device; the main control equipment is configured to execute a first flow admission interception operation on the control flow; the standby control device is configured to execute a second traffic admission interception operation on the service traffic. By adopting the scheme of the invention, the control flow and the service flow in the video data flow can be separated, the overall stability of the system can be improved, and the service interruption risk is reduced; in the video data flow of the video network, the service flow with relatively large flow is defaulted to be released to the standby control equipment, so that the performance of the main control equipment can be greatly improved.

The invention relates to the technical field of the communication, and especially relates to a virtual network interface based on a master-slave heterogeneous data transmission module. Aiming at the phenomena that the data error and omission and the low transmission efficiency are existent in the data transmission of the existing communication interface, the invention provides the following scheme: the virtual network interface comprises a communication module, a transmitting data conversion module, a receiving data conversion module, a data transmitting module, a verifying module, a wireless transmitting module and a wireless receiving module, wherein the communication module is respectively connected with the transmitting data conversion module and the receiving data conversion module; the transmitting data conversion module is respectively connected with the data transmitting module and the verifying module; the receiving data conversion module is respectively connected with the verifying module and the wireless receiving module. The virtual network interface disclosed by the invention reduces the interruption risk in the data uploading, improves the data transmission efficiency, prevents data from data absence, data transmission error and like conditions in the transmission process between the virtual network interface and a communication satellite, and guarantees the integrity of the data transmitted between the virtual network interface and the communication satellite.

The invention provides a soil gas resistance measuring system and a soil gas resistance measuring method, which are applied to the field of soil gas resistance research of agricultural hydraulic engineering. The system comprises a Markov bottle, a weighing sensor, a soil column, differential pressure gauges, a weighing sensor paperless recorder, a gas resistance paperless recorder and the like, wherein the Markov bottle supplies water to the soil column according to a preset water head; the soil column is filled with test soil in a layered mode from bottom to top, a plurality of pressure measuring pipes are arranged on the pipe wall of the soil column from bottom to top, and the positions of the pressure measuring pipes in the soil column correspond to the positions of soil air resistance measuring points in the soil column in a preset test scheme in a one-to-one mode. According to the invention, the plurality of differential pressure gauges are connected with the plurality of pressure measuring tubes one by one, so that the air resistance pressure data of the test soil at the corresponding positions of the plurality of pressure measuring tubes on the soil column can be measured at the same time, and the system has the characteristics of high automation degree and small data sampling time interval; and the plurality of differential pressure gauges are connected with the same air resistance paperless recorder, so that automatic recording of multi-path air resistance pressure data can be realized.