58results about How to "Realize data synchronization" patented technology

The embodiment of the invention discloses synchronous method, apparatus and system for a distributed database. The synchronous method of the distributed database comprises the following steps of: updating a local database of a first node by the first node according to a user request, generating a synchronous operation message and sending the synchronous operation message to a central node; updating a central database by the central node according to the synchronous operation message sent by the first node, generating a data synchronous mark, feeding back the data synchronous mark to the firstnode and sending the synchronous operation message and the data synchronous mark to the other nodes; and updating the local database of the other nodes by the other nodes according to the synchronousoperation message. By adopting the embodiment of the invention, the data synchronization of the distributed database is more reliable and more effective.

The embodiments of the invention provide a data synchronization method and device. The method comprises: a server receiving a synchronization task message sent by first user equipment, the synchronization task message comprising synchronization task indication and the information of a synchronization file; the server, according to the synchronization task indication, determining historical synchronous operation information corresponding to the synchronization file from historical synchronization information stored in the server; and the server sending a response message of the synchronization task message to the first user equipment, the response message carrying an execution result of the synchronization task indication. According to the technical scheme provided by the invention, the historical synchronization information for data synchronization among user equipment in a network system can be recorded by the server, the problem of file repeated synchronization which may exist in the prior art can be avoided, and the utilization rate of equipment resources is improved.

The invention discloses a data synchronization method based on a directory tree in a safe network disc system, belongs to the field of multi-machine synchronization and particularly relates to the field of file synchronization. The method is characterized in that a client is required to store only one client directory tree to complete synchronization, the storage efficiency is improved, a server can know the real-time situation of cloud data according to the directory tree, the system overhead is reduced, two-time directory tree comparison and one-time result comparison are merely performed during the process of generating the synchronization operation, the data synchronization efficiency is improved, the entire data synchronization process is unrelated to content of data, the data security during the synchronization process is guaranteed, and thereby the method can be applied to any network disc system which is provided with a security mechanism.

The invention discloses a cross-network data exchange platform and belongs to the field of enterprise information integration. The cross-network data exchange platform comprises two physically isolated networks, wherein each physical network is provided with an information system server, a data exchange server and a data exchange client, and a database, a data exchange task processing component and a data exchange task execution component are deployed on each information system server. The data exchange task processing components obtain and output exchange data; the data exchange servers respectively carry out data interaction with the data exchange task processing components and the data exchange clients; the data exchange clients obtain and distribute data which needs to be exchanged; and the data exchange task execution components execute and dump the data transmitted from other network environments. The cross-network data exchange platform realizes the data exchange of the physically isolated networks and has the advantages of reliability, excellent operating performance, rapid implementation, centralized processing and efficient operation, and meanwhile, the data migration can be more efficiently and quickly carried out between application systems, so that the workload of secondary development of each business system is reduced.

The invention provides a method for synchronizing table data application programs of network databases, which comprises the steps of: firstly, defining two databases needing synchronizing as a client end and a server end, defining the database at a data source end as the client end, defining the database at one end needing updating data as the server end, determining tables needing synchronizing and defining corresponding synchronizing services by timer service of a client end system though reading basic configuration information tables, realizing data synchronization between the two databases by the synchronizing service and the synchronizing service of the server end through establishing an HTTP (Hyper Text Transfer Protocol) channel, compressing the data before the data enters the HTTPchannel, decompressing after the synchronizing service of the server end is carried out, analyzing the database after decompressing, and executing updating the data.

The invention discloses a data synchronization method, a data synchronization data synchronization device and a server. The data synchronization method comprises the following steps: acquiring updating data except synchronization data of each data base of multiple databases; according to the updating data in the multiple databases, performing data synchronization on the multiple databases, namely, when any database of the multiple databases is subjected to data synchronization, combining updating data of other databases of the multiple databases as target synchronization data, and transmitting the target synchronization data to a client corresponding to any database, thereby enabling the client to perform data synchronization on any database according to the target synchronization data. By adopting the technical scheme of the invention, data synchronization of multiple databases can be stably and efficiently achieved, and furthermore the processing burden of a database of the client can be alleviated.

The invention discloses a data synchronization method and device, and a server. The data synchronization method comprises the steps: obtaining a synchronization relationship which comprises data source information and corresponding data destination information, wherein the data source information comprises source database information and source data table information in a source database; and thedata destination information comprises destination database information and destination data table information in a destination database; based on the synchronization relationship, extracting change data of a source database table through a database change extraction task; using a database change capture tool to obtain change data in a source database table by the database change extraction task;and based on the synchronization relationship, changing the consumption task through the database to synchronize the obtained change data to the target data table. By implementing the data synchronization method, dependence on traditional OGG, DataX and other technologies is not needed, and the processing process is simple, and real-time data synchronization of the database can be realized, and the high real-time requirement of database backup data is met.

The invention discloses a data synchronization method of a display device, relating to the technical field of display devices. The data synchronization method comprises the following steps of: reading source parameter data of a source display device through a data interface of the source display device; S2, referring to a parameter information list of a target display device, and generating target parameter data according to source parameter data; and S3, writing the target parameter data into a target display device through the data interface of the target display device. The invention realizes data synchronization of multiple source display devices and avoids repeated operations on configuration of the display device.

The invention provides a data synchronization method and device, electronic equipment and a computer readable storage medium, and the method comprises the steps: obtaining the working state of a current database; determining whether the current database has a fault or not according to the working state of the current database; under the condition that the current database fails, selecting a targetstandby database from a plurality of standby databases; setting the current database as a standby database, and setting the target standby database as a new current database; and creating a databasesynchronous replication service and an external replication service for the new current database. According to the technical scheme, the service application of the railway passenger ticket system is completely not affected by database faults occurring in the background, the user experience is improved, meanwhile, the data synchronization performance of the whole railway informatization system is achieved, and the stability and safety of the whole railway informatization system are maintained.

The invention discloses a data synchronization method and device. The method comprises: searching source fields corresponding to one or more target fields in a source database, wherein the one or moretarget fields are one or more fields in a data dictionary of the target database, and each field in the data dictionary of the target database corresponds to a unique key value; Determining an association relationship between the key values of the one or more target fields and the corresponding source fields, wherein the source fields are the source fields corresponding to the found target fields; And synchronizing the data of the source fields corresponding to the one or more target fields in the source database to the target database based on the association relationship. According to the invention, a data synchronization mode compatible with various heterogeneous information systems is realized, and the working efficiency of on-site implementation personnel is improved.

The invention relates to an information communication device based on a cloud host. The information communication device comprises a cloud server, a human-computer interactive terminal, access network equipment, a front end network terminal and a background service terminal. The front end network terminal comprises a local telephone, a client terminal, a fax machine and a PC. The background service terminal comprises a remote telephone, a remote response terminal, an RTX server and a mailbox server. The local telephone, the client terminal, the fax machine and the PC are connected with the cloud server through the access network equipment. The cloud server is bidirectionally connected with the remote telephone, the remote response terminal, the RTX server and the mailbox server. The human-computer interactive terminal is connected with the cloud server. The cloud server is arranged, and all the communication modes and the servers of all the communication modes are integrated so that simultaneous completion of data transmission between all the communication modes can be realized, and the overall information exchange speed and accuracy can be accelerated.

The invention discloses a detecting system and a detecting method of a digital transformer substation protecting loop. The system comprises a control terminal device and a small signal outputting device which are connected wirelessly. The detecting method comprises the following steps: a protecting loop is connected, the communication state is checked automatically, the communication state is confirmed, parameter setup is carried out, output signals are transmitted synchronously, a protecting device takes action to transmit a trip signal to an intelligent operating box after receiving the signals; the small signal outputting device transmits the received trip signal to the control terminal device; and the control terminal device processes the signal so as to end the detection process. By using a wireless synchronization technology and by adopting the principal and subordinate arrangement, the data synchronization is realized for devices at different places, and the verification work of a complex loop such as a generator transformer and the like is solved effectively.

The invention discloses a VR and AR cross-platform interaction method, an AR device, an AR server, a VR device and a VR server, and the method is applied to the AR server, and comprises the steps: obtaining first cross-platform interaction data corresponding to an AR client; generating a first XML data interaction file corresponding to the first cross-platform interaction data; sending the first XML data interaction file to a VR server corresponding to the target VR client, so that the target VR client performs corresponding cooperative operation according to the first cross-platform interaction data. According to the method, the cross-platform characteristic of XML is utilized; cross-platform interaction data of VR and AR are organized in a tree-shaped node data structure of an XML language; data interconnection and intercommunication between two platforms can be realized in a lightweight database form, the synchronization efficiency of cross-platform interaction data is improved, data of different platforms can be standardized and managed, and less resources are invested during collaborative fusion development of different VR and AR programs.

The invention provides a data transmission method between data sources, which comprises the following steps: S1, configuring connection parameter information of a data output end and connection parameter information of a target end through a configuration management interface, and storing the connection parameter information; S2, selecting a data output end according to the stored connection parameter information, and configuring a data extraction condition of the data output end; S3, allocating the data output end to the selected target end according to the stored connection parameter information, and setting a data loading condition of the target end; and S4, acquiring to-be-synchronized data of the data output end according to the data extraction condition and the data loading condition, and loading the to-be-synchronized data into the target end. The data sources of the data output end and the target end of the data output task to be carried out are configured through the management interface of the typical architecture, data filtering is carried out through multiple data extraction conditions, and the data synchronization and migration functions among the multiple data sourcescan be achieved in any environment.

The embodiment of the invention discloses a data synchronization method and system between servers based on a client and the client. The technical problem that the existing server carries out data transmission and synchronization in a first in first out mode on data update information in a message queue, and since the synchronization has certain time delay, the pass states of different servers are inconsistent, resulting in poor user experience. The data synchronization method between servers based on the client disclosed by the embodiment of the invention comprises the following steps: obtaining a data update response packet returned by a first server according to an application service data update request; forwarding the data update response packet to a second server which is about to synchronize data to carry out data update synchronization processing; and obtaining a data synchronization response packet returned by the second server after updating the synchronization processing data.

The embodiment of the invention provides an efficient remote copying system based on a nonvolatile memory. According to the efficient remote replication technology based on an NVDIMM, an efficient nonvolatile cache is adopted as a basic storage medium, a local NVDIMM storage pool is mapped to a far end through an RDMA network, data synchronization in a byte mode is achieved through a user-definedRDMA network protocol, memory copying of an original network level is reduced, and therefore copying efficiency is improved. According to the method, efficient remote replication based on the NVDIMM is achieved, so that only ns-level network delay is needed for replicating the data from the local end to the remote end, a user can replicate the local data to the remote end in a byte mode, and therefore the problems that traditional remote replication is low in efficiency, and risks exist in reliability are solved.

Disclosed are a Wi-Fi service and a near-field communication (NFC) mechanism application system and method. The system and the method are applied to an NFC base station. The NFC base station is wirelessly connected with a plurality of Wi-Fi devices through a wireless network. The NFC mechanism application system includes an NFC registration module, a Wi-Fi matching module and an NAC authentication module. The system marks Wi-Fi devices with the same Wi-Fi service permission as the same cluster and performs Wi-Fi direct-connection matching on the Wi-Fi devices in the same cluster to complete authentication of the Wi-Fi devices on the NFC base station. Each Wi-Fi device includes a Wi-Fi communication unit which is used to control the Wi-Fi device to perform different Wi-Fi communication services of file transmission, data streaming, conversation service and data synchronization with another Wi-Fi device.

The invention discloses an intelligent terminal, a remote controller, a data synchronization method and an electric appliance control system. the method comprises: sending a connectable broadcast through a first device; a second device establishing communication connection with the first device according to the connectable broadcast; obtaining the configuration data and the electric appliance state data stored by the first device through the communication connection and combining the data with the local configuration data and the electric appliance state data; and sending the combined configuration data and electric appliance state data to first device, the first device being an intelligent terminal or a remote controller, and the second device being a remote controller or an intelligent terminal. Therefore, the data synchronization of the intelligent terminal and the remote controller can be realized so as to realize the same control.

The invention provides a high-reliability PLC data transmission method and a high-reliability PLC data transmission system. The high-reliability PLC data transmission system is provided with an iobus(13), a controller module (10) capable of being configured on the iobus (13), a redundant main IO module (11) and a redundant standby IO module (12). A data message can be transmitted on the iobus (13). The redundant main IO module (11) and the redundant standby IO module (12) can acquire data from the iobus bus (13). Data synchronization and heartbeat transmission between the two IO modules are realized by adopting a normal iobus communication link, and the purpose of realizing data synchronization and role switching between redundant modules without depending on an additional communication path is achieved.

The invention provides a data synchronism method and electronic equipment, wherein the method comprises that connection state of first electronic equipment and second electronic equipment is detected, and a detecting result is obtained; when the detecting result is judged to show that the first electronic equipment and the second electronic equipment are separated, a first port is controlled to connect with a cloud server; and data are obtained through the firs port from the cloud server, wherein the data are the data uploaded to the cloud server through a second port by the second electronic equipment. The data synchronism method and the electronic equipment can achieve data synchronism of the first electronic equipment and the second electronic equipment.