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 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 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 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.

A method (100) and an apparatus (1) for rock reinforcement are described. The method (100) comprises the steps: to inject (101) a first component (A) and a second component (B) through a first channel(3) and a second channel (5) respectively into a rock hole (9), wherein the first component (A) and the second component (B) are adapted for rock reinforcement and to inject (103) a blocking agent (S) through a third channel (7) into at least said second channel (5), wherein said blocking agent (S) provides a barrier in at least said second channel (5).

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.

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 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.