55 results about "Vector clock" patented technology

The invention discloses a digital production plan scheduling method and system, and belongs to the technical field of optimal scheduling, and the method comprises the steps: constructing a distributed storage architecture based on edge computing nodes; a central coordinator is adopted to realize cross-node data synchronization through an improved Raft consensus algorithm, multi-version concurrency control is realized based on a vector clock, and a global consistent data view is established; a visual scheduling platform is built based on a Vue3 framework, and man-machine interaction is realized by adopting a Canvas and WebGL collaborative rendering framework; establishing a dynamic coordinate conversion model based on bilinear interpolation, designing a space mapping function containing distortion compensation, establishing a multi-thread coordinate service based on WebWorker, and realizing submillimeter-level bidirectional mapping of pixel coordinates and physical coordinates; constructing a three-dimensional space-time analysis model fused with the multi-dimensional features; and all the units are subjected to feature fusion through residual connection, and finally a scheduling scheme with a confidence coefficient weight is output. The method and the device have the effect of meeting various scheduling requirements.

The invention discloses a self-adaptive data caching and synchronizing method, system and device for an edge gateway of the Internet of Things and a storage medium, and the method comprises the steps: obtaining network quality parameters, such as link bandwidth, time delay and packet loss rate, between nodes, detecting and solving instruction conflicts based on a vector clock mechanism, generating an instruction execution sequence, and carrying out the self-adaptive data caching and synchronizing of the edge gateway of the Internet of Things; local caching and incremental synchronization strategies are adopted for hotspot data, a data access mode is dynamically predicted in combination with a machine learning algorithm, and a cache updating period is optimized. The future data is predicted according to the data characteristics of the Internet of Things application, and the data cache updating period of each node is dynamically adjusted, so that each node can keep a relatively consistent updating rhythm when caching a hotspot data copy; therefore, the hot spot data copies of different nodes can be ensured to have similar accuracy and timeliness at the same time point, so that the data consistency is maintained.

The invention is suitable for the technical field of data processing, and provides a distributed data consistency control method and system, and the method comprises the steps: constructing an enhanced vector clock containing a fuzzy membership parameter and a time window deviation value; a dynamic fuzzy inference engine is built in combination with factors such as network delay jitter; calculating conflict event logic precedence relation probability distribution by utilizing an engine; generating an execution sequence hypothesis by integrating the multi-dimensional information; selecting an optimal scheme based on a dynamic confidence threshold; and resources and consistency are balanced through a three-level conflict processing mechanism. According to the method, the problem that a traditional vector clock cannot process conflict event sorting is solved, the accuracy and adaptability of distributed data consistency control are improved, and efficient collaboration of the system is guaranteed.

The invention relates to a data management method and a data management system based on OpenHarmony. The method comprises the following steps: constructing a cross-device data storage layer by utilizing a distributed soft bus technology, and carrying out fragmentation storage and redundant backup on target data to obtain a distributed data storage architecture; performing feature extraction to obtain a data classification result and a fine-grained data mark; comprehensively analyzing the network condition, the equipment performance and the user behavior to obtain a data synchronization strategy; executing two-stage protocol submission and vector clock concurrency control on the cross-device operation to obtain a distributed transaction processing result; performing structural feature and repetitive mode analysis to obtain a compression algorithm selection result and a compression parameter; and carrying out compression processing, and carrying out adaptive routing selection and load balancing on the compressed data transmission path to obtain a multi-device data flow management scheme. According to the method, data integrity and availability are guaranteed, data are effectively compressed, and storage space and transmission bandwidth are saved.

The invention discloses a small and medium-sized enterprise information management method and system based on a multi-layer architecture, and belongs to the technical field of information management, and the method comprises the steps: constructing a decoupling architecture of a user interface layer, a business logic layer and a data storage layer; analyzing the evaluation standard through a dynamic rule engine of a business logic layer, and generating a configurable rule unit comprising a logic expression and a dynamic weight parameter; an offline priority strategy is adopted at the mobile terminal, and a vector clock identifier containing a client ID and a logic clock sequence is added to a data record; executing dynamic weighted evaluation calculation to generate a total evaluation score; and performing industry reference threshold verification on the numeric field. The technical bottleneck of tight coupling of multiple layers of modules in a traditional single framework is broken through by constructing a decoupling framework of the user interface layer, the service logic layer and the data storage layer and an asynchronous message bus communication mechanism, so that cross-layer codes do not need to be synchronously modified when the system adds or adjusts the evaluation dimension, and the system reliability is improved. And the framework flexibility and the expansion efficiency are obviously improved.

The invention discloses a cross-platform session state reconstruction method and system based on event traceability, and relates to the field of cross-platform customer service integration, and the method comprises the steps: introducing a measurable business influence weight for a cross-platform field event through an event formatting mode based on business semantics, and maintaining a cross-platform event sequence in combination with a vector clock; according to the method, the real key events in the business meaning are adaptively selected to generate a state abstract through the time sequence accumulation calculation of the event weights, and snapshot is not carried out based on fixed time or a fixed number, so that the data transmission quantity and the calculation overhead required by state reconstruction are remarkably reduced; in the recovery stage of the client, only the abstract and the increment event after the abstract need to be transmitted, so that the client can still quickly reestablish the state at lower cost in a weak network and low bandwidth environment. Therefore, differential compression and recovery of a cross-platform event traceability semantic level are realized, and session reconstruction efficiency and resource utilization efficiency in a customer service large-scale multi-platform scene are greatly improved.

The invention relates to the technical field of distributed data synchronization, in particular to a three-terminal message synchronization method, which comprises the following steps of: generating FALCON public and private keys for three terminals respectively, negotiating a two-threshold threshold public key, writing a message key hash with a vector clock into a multi-branch Verkle tree, and updating a root abstract; a sending end carries out integrity proof broadcasting through a Bloom bitmap, a compression model, a root abstract and zero knowledge; a receiving end compares the bitmaps to obtain a difference set, and a coding window, a redundancy proportion and power distribution are obtained through reinforcement learning; a sending end uses sparse Fountain coding to send difference set packets in wireless and optical links in a shunting manner; a receiving end carries out linear solution decoding, verification and certification, batch box opening, supplementary signing aggregation and root abstract refreshing; and the completion rate and the link quality are continuously written, and self-adaptive operation is carried out in offline, alternating or low-power scenes. The method has the advantages of quantum security, low bandwidth, low time delay and energy conservation, and transaction omission and data conflict can be avoided.

The invention relates to a data optimization management system and method based on multiple radio stations. The management system comprises a data fragmentation mechanism and a dynamic load distribution mechanism through a plurality of radio station nodes and a data distribution layer. The distributed storage layer utilizes a preset consistency protocol, a preset copy placement strategy and an increment synchronization mechanism to ensure reliable storage of key data on a plurality of radio station nodes; radio station nodes adopt a streaming processing framework, a data processing process is divided into a plurality of stages to form a processing assembly line, and a distributed storage layer ensures the consistency among data copies in a distributed environment through a vector clock mechanism, so that the problem of data consistency in a distributed system is effectively solved; the accuracy and the reliability of the data are ensured; the dynamic load distribution mechanism of the data distribution layer realizes the load balance of each radio station node in the system, avoids the performance bottleneck caused by load concentration, and improves the overall performance and stability of the system.

The invention discloses a database processing method and device, a first node and a readable storage medium. The processing efficiency and performance of a distributed database system can be improved. Comprising the following steps: under the condition that a first vector clock corresponding to a first node is updated, determining whether to prune the first vector clock based on the time difference between the earliest updating time corresponding to the first vector clock and the current time and / or the clock length of the first vector clock; the first vector clock comprises first vector clock values of at least two dimensions; the earliest update time is the update time corresponding to the earliest update dimension in the at least two dimensions; and when it is determined that the first vector clock is pruned, removing the first vector clock value of the dimension updated earliest from the first vector clock values of the at least two dimensions, determining the pruned first vector clock, and updating the first vector clock by using the pruned first vector clock.

The invention discloses a realization method and system for a domestic environment-oriented MBSE collaborative modeling platform architecture. The method comprises the following steps: constructing a distributed operation environment adaptive to a domestic chip, an operation system and a database based on a micro-service architecture; deploying a modeling engine, cooperative control and data persistence micro-service; multi-user operation requests are received through cooperative control micro-service, conflict detection and coordination are carried out by using an operation transformation algorithm based on a vector clock and a priority decision function, and a global ordered operation sequence is generated; executing the sequence through a modeling engine to update a model state and perform consistency verification; storing the model state and the historical record to a domestic database by using a data persistence micro-service; a bidirectional traceability matrix is constructed through demand influence degree analysis based on a graph neural network. According to the method, the problems of MBSE tool missing, low collaboration efficiency and data isolated island in a localized environment are solved, and safe and controllable efficient collaboration design and full-life-cycle management are realized.

This invention relates to the fields of computer data processing and network communication technology, specifically to a method and system for real-time synchronization of paperless interactive information across multiple terminals. The method includes: a logic construction step: acquiring the original interactive command stream, constructing a semantic causal logic tree based on a vector clock, and dividing strong barriers and weak streaming events; a backpressure monitoring step: establishing a rendering backpressure model to calculate the rendering backpressure value of the target terminal; a dynamic shaping step: responding to a backpressure value exceeding a threshold, reducing the dimensionality of the command stream and reorganizing its timing, attaching weak streaming events to strong barrier events and merging them into an atomic state snapshot for transmission; and a consistency verification step: comparing the screen content-aware hash value, and if a mismatch occurs, performing full state synchronization. This invention solves the problem of visual semantic confusion caused by differences in rendering capabilities between heterogeneous terminals.

The application discloses a cross-platform session state reconstruction method and system based on event trace source, relates to the field of cross-platform customer service integration, and comprises the following steps: introducing a measurable business impact weight for cross-platform field events in a business semantic-based event formatting mode, and maintaining cross-platform event order in combination with a vector clock; through time sequence cumulative calculation of the event weight, a state summary of a truly key event in business significance is adaptively selected to generate, instead of taking a snapshot based on fixed time or a fixed number, so that the data transmission amount and the calculation overhead required for state reconstruction are significantly reduced; in the client recovery stage, only the summary and the incremental event after the summary need to be transmitted, so that the client can still quickly reconstruct the state at a low cost in a weak network and low bandwidth environment. Therefore, the differentiated compression and recovery of the cross-platform event trace source semantic level are realized, and the session reconstruction efficiency and resource utilization efficiency in a large-scale multi-platform scenario of customer service are greatly improved.

The invention relates to the technical field of computer data processing and network communication, in particular to a paperless interaction information multi-terminal real-time synchronous processing method and system, and the method comprises the following steps: a logic construction step: obtaining an original interaction instruction stream, constructing a semantic causal logic tree based on a vector clock, and dividing strong barrier and weak stream events; a back pressure monitoring step: establishing a rendering back pressure model to calculate a rendering back pressure value of the target terminal; a dynamic shaping step: in response to a condition that the backpressure value is higher than a threshold value, performing dimension reduction and time sequence recombination on an instruction stream, mounting a weak stream event to a strong barrier event, and combining the weak stream event and the strong barrier event into an atomic state snapshot for sending; a consistency verification step: comparing the screen content perception hash values, and if the screen content perception hash values are not matched, executing full-amount state synchronization; according to the method, the problem of visual semantic disorder caused by different rendering capabilities of heterogeneous terminals is solved.

This invention provides a method and system for concurrent editing and merging of communication call routes by multiple administrators, comprising: acquiring interactive operations of a first administrator frontend at the canvas layer and encapsulating them into atomic operation objects; logically marking the atomic operation objects based on vector clocks; persistently storing and transmitting the operation logs of the marked atomic operation objects to a second administrator frontend; comparing the local vector clock with the vector clock of the marked atomic operation objects before executing the interactive operation, and obtaining the comparison result; if the comparison result indicates that a preceding operation object has not yet arrived, writing the currently received operation object into a waiting buffer until the preceding operation object is completed, and performing a replay operation according to the causal order in the marked atomic operation objects; and performing concurrent conflict detection and merging on the operation object to which the replay operation belongs and the local unoperated object of the second administrator frontend. This method reduces the probability of concurrent operations overlapping each other and avoids configuration loss and routing loops impacting the underlying engine.

The application discloses a kind of off-site automatic return of a kind of code repository and consistency recovery method, it is related to the technical field of software engineering system, the present application is aimed at solving the problem of slow recovery, the present application includes the following steps: S1: node recovery detection and role identification;S2: log abstract synchronization and difference detection: from current master node, obtain the submission abstract, read local log and compare, calculate difference interval ΔCSN, if there is intersection submission, then enter conflict processing procedure;The submission abstract obtained from current master node includes: submission serial number CSN, submission Hash, submission dependency ParentHash, submission vector clock VClock.The difference log dynamic recovery algorithm of the scheme, only play back missing part, do not do full amount synchronization.Vector clock causal relationship judgment mechanism is used, and multi-source submission concurrent conflict is automatically solved.

The application discloses a kind of communication system and method applied to multi-terminal synchronous cooperation, its system includes local direct connection transmission module, edge cache and timing control module, difference synchronization module, real-time cooperation optimization module, cloud coordination module and remote terminal.The mechanism of the present application is combined by difference synchronization, edge cache and timing control, real-time cooperation optimization and local direct connection and cloud coordination, efficient transmission and consistency maintenance of operation data between multi-terminal are realized, not only significantly reduce the synchronous delay, improve the real-time response experience of key operation, but also can generate consistent results through vector clock mechanism under concurrent conflict situation, avoid cooperation error caused by disorder or conflict, and flexibly switch transmission path under different network environment, finally guarantee the correctness and stability of multi-terminal cooperation result, so as to give consideration to the performance, reliability and adaptability of system.

The invention discloses a digital car key state collaborative management system and method based on a distributed synchronization engine, and relates to the technical field of car networking and digital security. The method aims to solve the technical problems that a traditional digital car key system is high in state synchronization delay, off-line conflicts are difficult to resolve, and safety verification is redundant. According to the system, through difference bitmap coding, a distributed version coordination algorithm and a layered security verification architecture, real-time coordination and security management of key states among multiple terminals and multiple vehicle nodes are realized. Specifically, the key state is mapped into a 256-dimensional Boolean vector space, and the data transmission quantity is reduced by adopting an increment synchronization mode; through vector clock comparison and an operation merging strategy, conflict automatic resolution in an off-line scene is realized. By means of layered signature verification and a hardware security module, the encryption operation overhead is reduced while the security is guaranteed.

The invention belongs to the technical field of computers, and particularly relates to a vector animation editing system supporting multi-user real-time collaboration. According to the system, through a multi-dimensional interactive perception module, a vector semantic conversion module, a distributed state collaboration module, a streaming differential distribution module and a real-time acceleration rendering module, operation conflict resolution, strong state consistency and synchronization and low-delay rendering under high concurrency are achieved. Vector clock sequencing, visual sense awareness distribution, local damage redrawing and prediction compensation mechanisms are adopted, the problems of synchronization inconsistency, transmission redundancy and rendering lagging are effectively solved, thousand-person-level collaborative editing is supported, and professional animation creation experience is guaranteed.

The invention discloses a communication system and method applied to multi-terminal synchronous cooperation. The system comprises a local direct connection transmission module, an edge cache and time sequence control module, a differential synchronization module, a real-time cooperation optimization module, a cloud coordination module and a remote terminal. Through a mechanism of combining differential synchronization, edge caching and time sequence control, real-time collaborative optimization and local direct connection with cloud coordination, efficient transmission and consistency maintenance of operation data among multiple terminals are realized, synchronization delay is remarkably reduced, real-time response experience of key operation is improved, and the operation efficiency is improved. In addition, a consistency result can be generated through a vector clock mechanism under the concurrency conflict condition, cooperation errors caused by disorder or conflicts are avoided, transmission paths are flexibly switched under different network environments, the correctness and stability of the multi-terminal cooperation result are finally guaranteed, and therefore the performance, reliability and adaptability of the system are considered.

The present invention provides a smart contract uninitialized global resource reading detection system and method based on the EVM built-in Vector Clock, introduces the Vector Clock mechanism into the smart contract execution environment, and realizes the accurate tracking of the resource access order in cross-contract calls. A set of automated resource status tracking mechanisms are designed, and the accurate monitoring of the resource initialization status is realized in combination with the Vector Clock. At the same time, the present invention also designs a complete EVM extension layer, including modules such as Vector Clock management, resource status tracking, instruction injection and exception handling. The detection system and method provide an uninitialized global resource reading detection mechanism implemented at the Ethereum Virtual Machine (EVM) level. In the provided detection method, by using the built-in Vector Clock and resource status tracking, a security detection method that is efficient, accurate and non-invasive to existing contract codes can be achieved.

The application provides a kind of based on dynamic plug-in's smart contract Temporal Property monitoring method and system, including the following contents: design for the temporal property specification language of smart contract, optimized LTL conversion algorithm, realize dynamic monitoring of variable in specification, this method realizes Vector Clock mechanism and resource state tracking in the level of Ethereum Virtual Machine (EVM), and provides the SHA3 instruction cache and Slot reverse analysis system of multi-layer Mapping tracing.The application realizes Vector Clock mechanism and resource state tracking in the level of Ethereum Virtual Machine (EVM), realizes comprehensive and efficient monitoring of smart contract temporal property by combining the specification design of smart contract characteristics, efficient LTL conversion and accurate variable monitoring.Can efficient, accurate and non-invasive security detection to existing contract code.

The application provides a method for dynamically updating key split shares, and belongs to the technical field of data encryption. The method establishes an event partial order relation by initializing a distributed node vector clock, generates a candidate share set from a physical entropy source by a master node, and broadcasts a share pre-distribution message. Each participating node locks an old share and writes the candidate share into a temporary storage area. The master performs entropy value maintenance processing on the candidate share, injects supplementary randomness, and modulates the share distribution characteristics through an entropy value recovery equation group. When the node state matrix is full rank, an activation instruction is broadcast to realize atomic share switching. Finally, the rank loss detection algorithm of the update verification matrix is used to confirm the completion of the share update, thereby solving the technical problem of share synchronization consistency failure caused by network delay and node asynchrony in the distributed key share update process.

The application belongs to the technical field of computers, and particularly relates to a vector animation editing system supporting real-time collaboration of multiple users. The system realizes operation conflict resolution, state strong consistency synchronization and low-delay rendering under high concurrency through multi-dimensional interactive perception, vector semantic conversion, distributed state collaboration, flow differential distribution and real-time acceleration rendering modules. The system effectively solves the problems of synchronization inconsistency, transmission redundancy and rendering lag by using vector clock ordering, viewport perception distribution, local damage redrawing and prediction compensation mechanism, and supports thousand-user-level collaborative editing and guarantees professional-level animation creation experience.

The application relates to the field of shield construction informatization, and discloses a shield construction full-cycle multi-dimensional data mobile terminal acquisition system and method, which comprises the following steps: predefining the space codes of various engineering parts in a shield tunnel; determining the current engineering part and obtaining the corresponding current space code, and generating a binding record containing the current space code and the unique identification of the multimedia file; automatically filling the current space code into the engineering part field of the standardized electronic form; and carrying out merging and synchronization based on a vector clock with a cloud server when the network is recovered. Through predefining the space codes, the unique correspondence between the engineering parts and the multimedia files is established, and the binding record and the form data are continuously written into a conflict-free replication data type data structure under an offline state, and a vector clock is used to mark the operation sequence each time, so that the mobile terminal can continuously acquire data offline under a weak network environment and the multi-terminal data can be conflict-free fused.

The invention discloses a distributed architecture-oriented time sequence library high-concurrency writing method, which relates to the technical field of computer databases, and comprises the following steps of: constructing a self-adaptive multi-stage writing path of time sequence data, and dynamically selecting the writing path of the time sequence data and adjusting a load in real time by embedding an intelligent scheduling layer and a cross-layer feedback control mechanism; based on a sliding time window and an additional recording queue mechanism, performing isolation and combination on out-of-order data and historical complement data written in the distributed time sequence database; and based on version conflict detection of a vector clock and a latest version priority merging strategy, merging and writing confirmation are carried out on the time sequence data after out-of-order writing and historical additional recording processing. According to the method, a layered write-in path design and a lightweight consistency protocol are adopted, high-concurrency write-in and final consistency guarantee of data are realized aiming at complex scenes such as out-of-order write-in, historical compensation and network jitter, and the write-in performance and reliability of a system are improved.

The application discloses a multi-environment test data synchronization method and system. The method obtains change information of database data, application layer business data and test related file data by monitoring the real-time change of test data in each test environment. The change of the same data object in different test environments is detected for concurrency conflict based on a vector clock, and the conflict is processed by combining business semantic rules and conflict arbitration strategies when the conflict is detected. The processed data change is subjected to structured difference calculation, and incremental data for cross-test environment synchronization is generated and synchronized to a target test environment. In the synchronization process, the data synchronization operation is controlled by a distributed transaction consistency control mechanism to ensure the consistency of test data in each test environment. The application can realize automatic synchronization, conflict detection and consistency guarantee of test data in multiple environments, reduce resource consumption in the synchronization process, and improve the efficiency and reliability of test data management.

The invention relates to the technical field of conference data security, and discloses a conference management-oriented sign-in data integrity guarantee method and system, and the method comprises the steps: obtaining the pre-registration information of participants, and obtaining a local feature library of each sign-in terminal through an edge intelligent feature extraction and distributed cache synchronization method; an on-site rapid matching and space-time anchoring method is adopted to obtain a tamper-proof sign-in data packet; a hierarchical consensus and block chain storage method is adopted to obtain a block chain record and final confirmation; a deep learning enhanced verification and intelligent arbitration method is adopted to obtain a data verification result and a final processing decision; adopting a vector clock and an intelligent conflict resolution method to obtain globally consistent sign-in data; and adopting zero-knowledge proof and homomorphic encryption methods to obtain a privacy protection verification result. According to the invention, the integrity guarantee and privacy protection of the sign-in data in the whole life cycle from collection to verification in a multi-meeting-place distributed sign-in scene can be realized.

The embodiment of the invention provides a vehicle system updating method and a related device, and the method comprises the steps: carrying out the communication connection with a vehicle when the vehicle is in a no-network or weak-network environment; receiving a data updating request generated by the vehicle; the data updating request comprises a first vector clock of the vehicle; the first vector clock is used for indicating current system version information of the vehicle; obtaining an update data packet of the vehicle based on the first vector clock and a second vector clock of the terminal device; the second vector clock is used for indicating vehicle system version information recorded by the terminal equipment; and synchronizing the updating data packet to the vehicle, so that the vehicle performs system updating based on the updating data packet. According to the scheme, the vehicle can be ensured to synchronously update the data through the terminal equipment in a weak network or no network environment, and update failure caused by network interruption is avoided; and only the difference data is transmitted based on a vector clock mechanism, so that the bandwidth consumption in a weak network environment is reduced, and the updating efficiency is improved.

The invention relates to a gateway API version distributed management method and device, and belongs to the technical field of version management, and the method comprises the following steps: a management client submits a vector clock of a new API version and a vector clock of an old API version to a first gateway node; the first gateway node judges whether the version is the latest consensus version of the current new API version, and performs causal updating or concurrent updating according to the judgment result; the first gateway node persists the updated API version and the vector clock to the local; aPI version historical information synchronously stored among the plurality of peer-to-peer gateway nodes enables the plurality of peer-to-peer gateway nodes to have a consistent API version graph; the management client displays concurrent API versions existing in a plurality of peer-to-peer gateway nodes, and an administrator initiates a solution request after analyzing the concurrent API versions; and the gateway node receiving the solution request creates a solution API version, and the solution API version is synchronized to the whole network as a latest consensus version, so that the plurality of peer-to-peer gateway nodes recover a consistent state.

The present invention relates to a method for intelligent exchange and integration of heterogeneous data of a digital enterprise, comprising the following steps: obtaining communication frequency data between nodes in a distributed system; dynamically adjusting the timestamp array dimension and compression ratio of a vector clock according to a node event counter; adding a timestamp to the timestamp array of each compressed vector clock; dynamically clipping the timestamp array of the vector clock according to the incremental update result; identifying the vector clocks with high frequency access in the system, and caching their timestamp arrays in a distributed memory cache system; monitoring the event concurrency index and vector clock distribution of the distributed system in real time, and dynamically optimizing the vector clock storage and event sorting in the distributed system through concurrency-aware adaptive adjustment. The method of the present invention effectively reduces the storage overhead of the vector clock, improves the efficiency of event sorting, and ensures the accuracy of causal relationship judgment, thereby significantly improving the overall performance of the distributed system.