60 results about "Exponential backoff" patented technology

The invention discloses a data collaborative directory management method and system, and relates to the technical field of government affair informatization, and the method comprises the steps: generating a directory snapshot containing a global hash value; calculating a directory node hash value of each edge directory node based on the directory snapshot identifier; eliminating clock drift interference through time sequence alignment and dynamic tolerance filtering; inputting the Hash difference time sequence into an isolated forest model to judge a substantial change node; based on the difference entry number and the historical calling weight, combining a dual-threshold rule and an online dichotomy model to hierarchically synchronize requirements; according to a grading result, matching an incremental push mode or a full pull mode, and constructing a synchronous transaction context containing an exponential backoff retry mechanism; synchronous operation is executed through the two-stage state model, and compensation rollback is triggered when the synchronous operation fails; and calculating a health index of the substantially changed node, dynamically selecting a self-healing action and optimizing system parameters. The problem of misjudgment caused by time sequence drift is effectively solved, the synchronization efficiency is improved, and the consistency of directory versions is guaranteed.

The invention discloses a file fragment encryption transmission method and device based on a B / S architecture, and belongs to the field of information security. The problem of systematic contradiction among file transmission efficiency, safety and reliability is solved. The method comprises the following steps: determining a fragmentation threshold value, and carrying out self-adaptive fragmentation processing on an original file; respectively performing RSA public key encryption and AES random key secondary encryption on each fragment file to generate a double-encrypted file; writing the SHA-3 hash value of each fragment file and the timestamp information into a block chain network to generate a non-tampering meta-file; a multiplexing transmission channel is established, a meta-file and an encrypted file set are downloaded at the same time, and each fragment adopts an independent transmission thread; verifying the consistency of the Hash value of the downloaded file and the blockchain evidence, and executing an exponential backoff retransmission strategy on the fragments which fail in verification; and performing streaming decryption recombination on the verified fragments to generate a temporary file with a digital watermark. The method is mainly used in data transmission field.

The invention discloses a method and a system for realizing remote ADB debugging of Android equipment based on Frpc, and belongs to the technical field of remote debugging of mobile equipment. Aiming at the problems of complex configuration, low security, poor network penetration capability and the like of a traditional scheme, a system architecture including dynamic configuration management, bidirectional security authentication and intelligent tunnel maintenance is constructed by embedding an Frpc client in an equipment end. An encryption tunnel is established between an equipment end and a server end through TLS1.3, ADB flow reverse proxy transmission is achieved, configuration safety is guaranteed by adopting a dynamic token and HMAC-SHA256 encryption, and hot loading update and certificate two-way verification are supported; and an exponential backoff reconnection strategy is designed, and the network outage recovery capability is improved. According to the scheme, the configuration complexity is reduced by 83% in a public network environment, the connection speed is increased by 5 times, the data leakage risk is reduced by 97%, seamless debugging across NAT networks is supported, and a safe and efficient solution is provided for remote maintenance of Internet of Things equipment and intelligent terminals.

The invention relates to a railway material purchasing asynchronous task processing method, device and system, and the method comprises the steps: constructing a six-layer message channel architecture of a purchasing business process, and executing an instruction of deploying a message agent node in an active-active mode for each channel based on the core message middleware of a Kafka cluster; the front-end gateway is instructed to package the purchase event into a binary message body with a transaction ID and a timestamp, and the binary message body is written into a persistent queue after priority labeling is carried out according to a task type label; processing the concurrent tasks by adopting a multi-stage feedback queue scheduling algorithm, and dynamically allocating computing resources based on a thread pool; a maximum retry threshold value is set according to an exponential backoff retry strategy, so that the failed task is automatically transferred into a dead message queue; and dynamically calculating an optimal message routing path based on the supplier portrait and the material classification model, and extracting the order to an exclusive processing queue of the optimal supplier according to Topic dynamic switching of the message queue. According to the invention, the coupling degree is reduced, the system performance is improved, and the fault tolerance is enhanced.

The invention provides a bus communication protocol optimization method based on a time division multiplexing technology, which relates to the technical field of bus communication, and comprises the following steps: calculating a time sequence difference value of each pair of nodes according to data packet node information; dividing a time sequence difference value matrix, and dynamically calculating the variable quantity of the weight of a time sequence difference value; performing static time slot division according to a fixed period; dynamic time slot resource allocation is carried out through a time division multiplexing technology in combination with the node pair weight change table; potential time slot conflicts are predicted in combination with historical conflict rate statistical data, and the backoff time is dynamically adjusted. According to the method, node time sequence data are collected in real time, a time sequence difference matrix is constructed, and node weight variation is dynamically calculated in combination with an STDP mapping mechanism, so that intelligent allocation of time slot resources is realized; through a hybrid backoff algorithm of exponential backoff and fixed window constraint, the average conflict probability of a high-conflict time slot group is greatly reduced, the delay fluctuation of a low-conflict time slot group is controlled within a low fluctuation range, and the real-time response and long-term stability of the system are both considered.

The invention provides a framework migration method and system for a heterogeneous micro-service architecture, and relates to the technical field of micro-service architecture.The framework migration method comprises the steps that migration priorities are determined through topological sorting based on service calling features, a unified service interface description file is generated, a link tracking probe is injected, and service adaptation layer codes are generated; flow control is carried out in combination with a variation gradient token bucket algorithm, and service fusing and degradation are realized by adopting an exponential backoff algorithm and a sliding time window mechanism. According to the method, the problems of complex service dependence, difficulty in flow regulation and control and the like in heterogeneous architecture migration are solved, the security and stability of framework migration are improved, and the operation and maintenance cost of the system is reduced.

The invention relates to the technical field of artificial intelligence, in particular to a man-machine interaction system based on an open source large model. The method comprises the following steps: a user request unit receives multi-round dialogue input of a user based on a context interception algorithm and an intention recognition mechanism, and generates a context prompt word and a target agent identifier; the response processing unit receives the standardized request generated by the platform scheduling unit based on an exponential backoff retry algorithm and a JSON path extraction function, extracts a target field and converts the target field into a structured answer; and the knowledge management and state maintenance unit updates each round of questions and answers to a historical context based on a context closed-loop updating mechanism and a binding relation mapping mechanism, and feeds back the updated context to the user request unit. Based on a context interception algorithm and a semantic embedding classification model, multiple rounds of conversations of a user are converted into semantic cues, target agent identifier mapping and intention affiliation reasoning are automatically completed, and high-precision identification of a request intention and dynamic binding of the agents are achieved.

The invention discloses an improved method for logging in a weak network by a mobile phone number through one key and electronic equipment, and belongs to the technical field of communication, and the method comprises the following steps: a main processor creates a pre-connection pool, records a pre-connection domain name and a port list, and executes pre-connection; meanwhile, various parameters required by number prefetching are prepared, and a number prefetching request is sent; the network processor creates a retry controller, and the retry controller intelligently determines a corresponding retry mode according to the failure reason and the network state; unnecessary repeated operation is avoided by means of implementing a breakpoint resume type retry mechanism, error type detection and classification processing, network availability judgment and automatic reconstruction, private network IP change detection and URL reconstruction, an exponential backoff algorithm to control a retry interval and the like, and a staged timeout mechanism is introduced, so that the retry efficiency is improved. The personalized reasonable timeout time of different stages is set, the problem that a certain stage consumes too long time is avoided, and the network request success rate of the SDK in the weak network environment is improved.

The invention provides a disconnection reconnection method for a remote management system of intelligent embedded equipment, and relates to the technical field of embedded systems and network communication, and the method comprises the steps: carrying out the heartbeat detection of a client and an equipment end according to a preset period, and checking the connection state of a TCP, so as to judge whether a disconnection condition exists or not; dividing the disconnection condition into a WiFi signal problem, an IP address change and equipment restart or network configuration change; selecting different reconnection modes according to different disconnection conditions, wherein the reconnection modes comprise a rapid reconnection strategy, an exponential backoff algorithm and connection by using a new IP address; wherein the fast reconnection strategy is used for solving the WiFi signal problem, the exponential back-off algorithm is used for solving the problem of equipment restart or network configuration change, and the connection by using the new IP address is used for solving the IP address change.

The invention discloses a report generation agent method, system and device driven by a large language model and a medium, and the method comprises the steps: constructing an agent execution framework independent of a native interface, outputting a decision through a cue word constraint model in a JSON structure, and scheduling a local tool function; analyzing the reference data and constructing a local vector knowledge base supporting semantic retrieval; the intelligent agent autonomously plans and generates a report directory structure based on a local vector knowledge base, stores the report directory structure as a structured intermediate file as a persistent intermediate representation, generates chapter content in parallel by utilizing a concurrent flow control and exponential backoff retry mechanism and combining a mixed retrieval strategy, and serializes and updates the chapter content to the intermediate file in real time; and finally, converting the intermediate file into a target format report according to a mapping rule. The system, the equipment and the medium are used for implementing the method. According to the method, the efficiency and the accuracy of complex report generation are remarkably improved through agent whole-process autonomous driving and combination of persistent intermediate representation, retrieval enhancement and concurrency control technologies.

The invention provides a WebSocket communication reconnection recovery method and related equipment. The method comprises the following steps: managing the life cycle of WebSocket connection through a finite-state machine; the method comprises the following steps: monitoring a WebSocket connection state by adopting a dual-channel heartbeat mechanism, configuring a client to send a PING frame of a current timestamp at a dynamic heartbeat interval for an uplink channel, and configuring a server to return a PONG frame of the current timestamp within a preset response time for a downlink channel; when the connection is interrupted, non-sent messages are cached through a non-standard LRU strategy combined with time sequence priorities, and reconnection interval time is calculated based on an exponential back-off algorithm; and finally, the WebSocket connection is reconnected based on the reconnection interval time, and the unsent message is retransmitted through a non-standard LRU strategy after the connection is recovered. According to the method, a finite-state machine is used for managing the WebSocket, a two-channel heartbeat mechanism and exponential backoff are used for rapid reconnection, a non-standard LRU strategy is used for guaranteeing that key information is not lost, and the defects that original WebSocket management is disordered, and connection is not reliable are overcome.

The invention provides a conflict processing method which can be applied to the technical field of computers. The conflict processing method comprises the steps of obtaining resource adjustment priorities of a plurality of devices in response to detection that resource allocation of the plurality of devices of a server has conflicts; according to the resource adjustment priority of the equipment, adjusting the resource allocation of the equipment which conflicts in the multiple pieces of equipment; performing initialization verification on the plurality of devices by performing multi-stage exponential backoff retry on the plurality of devices respectively; and mounting the equipment passing the initialization verification, and disabling the equipment not passing the initialization verification. The invention further provides electronic equipment, a storage medium and a program product.

The invention discloses an IEC104 communication protocol implementation method based on workflow, which belongs to the technical field of electric power communication, comprises the steps of initialization, link management, service analysis, timing scheduling, message receiving, message sending, service response and state recovery, and solves the problem of dynamic analysis and service decoupling of various ASDUs of IEC104 by utilizing a configurable workflow engine. In order to solve the technical problem of integrating intelligent reconnection and structured log pushing in a modular layered architecture, the invention adopts modular division, link management, timing scheduling, message receiving and sending, service analysis, state recovery and other module duty single decoupling, and unified log queue pushing, so that the observability of the system is greatly improved, and the reliability of the system is improved. An exponential backoff strategy is combined with link monitoring, intelligent reconnection is achieved, and timeliness and resource saving are both considered.

The invention discloses an automobile air bag computer diagnosis system, relates to the field of electrical testing, and realizes full-process fine control of ECU mirror image writing through byte-level differential management, three-model parallel simulation verification and two-stage judgment strategies. A system leads out an ECU original mirror image and generates an SHA256 snapshot, a target mirror image is compared byte by byte to form a differential bitmap DIFFmap, and the differential bitmap DIFFmap is aggregated into a minimum write-in unit according to pages, so that the write-in amount and flash memory wear are reduced, and the write-in success rate is improved. The simulation verification unit parallels a plurality of models and dynamically recognizes a high-risk mirror image through weighted combination and a two-stage judgment strategy, and the write-in verification unit adopts segment-level CRC32 and global SHA256 verification and guarantees write-in atomicity and rollback traceability through two-stage submission, atomic switching and exponential backoff retry. And the cloud and local operation and maintenance module generates a compliance diagnosis report and provides authorization management, so that data security synchronization and edge cloud cooperative processing are realized. According to the scheme, the safety, the reliability and the traceability of ECU updating operation are remarkably improved.

This invention discloses a method and system for large file transfer based on cross-window communication, belonging to the field of cross-window communication technology. The method includes: an intelligent chunked transfer mechanism and zero-copy cross-window communication; a multi-level progress system for real-time monitoring and progress feedback during the transfer process; an intelligent recovery mechanism based on an exponential backoff algorithm; a unified management framework for multi-level timeout detection and automatic reconnection; and memory usage optimization and overflow prevention management strategies. This invention performs excellently in practical business scenarios, providing a complete technical solution for handling large file transfers in web applications.

The embodiments of this specification disclose a method, device and electronic device for controlling the upload of refueling information at a hydrogen refueling station. The method includes determining the probability of network recovery within a preset time period. Based on the probability of network recovery within the preset time period, an information reporting mode is determined, and the information reporting mode includes a first mode of postponing the centralized reporting until a preset time period has passed, a second mode of reporting in batches using an exponential backoff algorithm that dynamically adjusts the initial reporting interval based on the network recovery probability, and a third mode of continuous reporting based on the reporting interval corresponding to the network recovery probability. Based on the information reporting mode, the refueling information stored locally at the hydrogen refueling station is reported. In the embodiments of this specification, after the hydrogen refueling machine fails to upload to the server through the Internet, the temporarily locally stored refueling information is re-uploaded, and the local reporting mode can be dynamically switched according to the predicted probability of network recovery in the future, so as to report the refueling information in a timely manner while maximizing the utilization of network and system resources.

The embodiment of the invention discloses an uploading control method and device for refueling information of a hydrogen refueling station and electronic equipment. The method comprises the following steps: determining a network recovery probability within a preset duration; determining an information reporting mode based on the network recovery probability within a preset time length, the information reporting mode comprises a first mode for centralized reporting after being delayed to a preset time length, a second mode for batch reporting by an exponential back-off algorithm for dynamically adjusting an initial reporting interval based on a network recovery probability, and a third mode for continuous reporting based on a reporting interval corresponding to the network recovery probability. And reporting the filling information locally stored in the hydrogen refueling station based on the information reporting mode. According to the embodiment of the invention, after the hydrogen filling machine fails to upload to the server through networking, the filling information which is temporarily and locally stored is complementarily transmitted, the local reporting mode can be dynamically switched according to the predicted network recovery probability in a period of time in the future, and the filling information is timely reported under the condition of maximizing the network and system resource utilization rate.

This application relates to the field of computer peripheral communication and automated testing technology, and discloses a method for plug-and-play verification of Android device serial numbers on a Windows platform. The method includes the following steps: calling kernel interfaces to construct a device information set, configuring filtering parameters to ignore functional attributes, thereby including device nodes without installed drivers; performing generalized matching on device instance paths based on a manufacturer identifier whitelist to identify the target device; using a multi-level cleaning rule engine to remove operating system-added interface masks and topology suffixes from the path to accurately restore the device serial number; and introducing a truncated binary exponential backoff algorithm to eliminate timing races between physical connection and logical readiness through dynamic delay retries. This invention effectively solves the identification problem of Android devices in multiple modes, achieving accurate SN acquisition and fault-tolerant control without driver dependency.

The application discloses a kind of based on driving engine's semiconductor manufacturing business document automation management method and system, to solve the problem of low efficiency caused by order whole process manual dependence.The method obtains customer production demand by driving engine, and is automatically converted into customer order, service order and manufacturing order according to preset mapping rule and is issued to manufacturing execution system;Driving engine receives execution result and automatically updates service order and customer order state until closed loop.Driving engine uses exponential backoff retry strategy and task state machine to manage abnormal conditions, support topology dependence analysis of parallel / serial order.The application realizes order whole process automation promotion and real-time monitoring, reduces manual intervention, and improves production efficiency.

The present invention relates to the field of data synchronization, and discloses a method, device, and storage medium for synchronizing financial data. The method comprises: an internal control system sends a data synchronization request to a verification system according to the TLS two-way transmission protocol; the verification system receives the synchronization request, verifies the sending platform certificate, and obtains a verification result; according to a preset mapping blockchain, queries and maps the internal control system code to obtain the management system code; connects to the financial management system corresponding to the management system code, and sends the synchronization request to the financial management system; monitors the status code returned by the financial management system; when it is a preset update code, determines that the data corresponding to the synchronization request is in a synchronized state in the financial management system; when it is not a preset update code, resends the synchronization request to the financial management system according to a preset exponential backoff algorithm. In an embodiment of the present invention, encryption and multi-layer verification are utilized to achieve efficient and secure synchronization of financial data across multiple systems.

The invention discloses a single-thread event processing distribution method supporting exponential backoff. The method comprises the following steps: S1, registering a loop event to a loop event queue by calling a registration interface, and registering a random event-random event processing function mapping relation to a random event-random event processing function mapping table; s2, after event processing circulation is started, the event queue is circulated firstly, and then events in the queue are sequentially processed according to the event sequence in the random event queue. The method has the advantages that the events are divided into the circular events and the random events, classification registration is carried out, after event processing circulation is started, the events in the queues are processed in sequence according to the sequence of the circular event queue and the random event queue, and a retry strategy is optimized by introducing a back-off index.

The invention relates to the technical field of number verification, and discloses an international number invalidation judgment method and system, and the method comprises the following steps: after receiving a verification request, firstly setting an initial timeout time, and then sending the initial timeout time to a rear end for verification; the specific process of verification is as follows: a number verification request including a number to be verified from the API gateway is input, a globally unique request domain generated for the request is output, and the number verification request from the API gateway further comprises request header information, a request body, a timestamp and a callback URL (Uniform Resource Locator). According to the method, the fault tolerance and toughness of the number verification service are improved from different levels through various mechanisms such as self-adaptive timeout, exponential backoff retry, dynamic load balancing and real-time monitoring alarm, the complex and changeable network environment in the real world is effectively dealt with, and vicious circle caused by request timeout failure is avoided.

The invention discloses an Internet of Things equipment state updating method and system based on Redis cache, belongs to the technical field of Internet of Things, and aims to solve the technical problem of how to report the state of Internet of Things equipment on the premise of considering real-time performance and database load optimization. Comprising the following steps: after an Internet of Things platform receives state information, reading cache state information from a Redis cache; comparing the core field information in the current report state information with the core state field in the cache state information; the currently reported state information is written into the MySQL database, and the Redis cache is synchronously updated; when the Internet of Things platform does not receive the state information reported by the Internet of Things equipment within the preset time, the Internet of Things platform is judged to be in an offline state; and when the Redis service is unavailable, switching to a direct writing MySQL mode and recording an abnormal log, and when the data written into the Redis service is unavailable, temporarily storing the current state to a local temporary cache, and retrying to write through an exponential backoff mechanism.

The invention relates to the technical field of API (Application Program Interface) data processing and machine translation, and discloses a precise translation and asynchronous blocking processing method for API response body content, which comprises the following steps that: a tree path encoder identifies a field to be translated by utilizing a reflection mechanism; and generating task metadata containing a path vector of the to-be-translated field in the JSON nested structure according to a path coding formula. The identifier generator and the serializer generate a global request serial number and task snapshot data and distribute asynchronous tasks. A regular cleaner generates a cleaned text, and a semantic compensation extraction algorithm executes logic truncation and splices a semantic compensation window to generate a to-be-translated input sequence. And the thread pool concurrently schedules a third-party engine to obtain translation blocks, and the structure reconstruction engine executes in-situ backfilling to generate a translated response body after eliminating redundant translation contents. And the exponential backoff retry device processes the exception, and the callback polling module adopts a double-track delivery strategy to deliver the result. The problem of context deficiency is solved, and translation continuity is guaranteed.

The invention relates to the technical field of network communication, in particular to a private message social interaction method and system based on a network marketing platform, and the method comprises the steps: firstly responding to batch sending action triggering of a private message sending request, and verifying the authorization state of a private message sending end; if the authorization state verification is passed, performing double check on the sending quota of the private message sending end, and pre-occupying the sending quota after the check is passed; verifying the private message type of the private message sending request by adopting a preset message verifier; then, calling a preset message builder to generate a message body corresponding to the private message type; and finally, according to the pre-occupied sending quota, calling a platform API to send a message body, and monitoring a return state in real time. During the period, when a current limiting error code is captured, an exponential backoff retry strategy is executed to execute message reissuing. According to the method provided by the invention, double check can be automatically performed on the sending quota, so that the rate / frequency limitation of the corresponding platform is met, and the condition that the user account is marked as abnormal or forbidden is avoided.

A file fragmentation encryption transmission method and device based on B / S architecture belong to the field of information security. The method solves the systematic contradiction between file transmission efficiency, security and reliability. The method comprises the following steps: determining a fragmentation threshold, and performing adaptive fragmentation processing on an original file; performing RSA public key encryption and AES random key secondary encryption on each fragmented file respectively to generate a double-encrypted file; writing the SHA-3 hash value of each fragmented file together with timestamp information into a blockchain network to generate an unalterable metafile; establishing a multiplexing transmission channel, simultaneously downloading the metafile and the encrypted file set, and using an independent transmission thread for each fragment; verifying the consistency of the hash value of the downloaded file with the blockchain storage, and performing an exponential backoff retransmission strategy on the fragments that fail the verification; and performing streaming decryption and recombination on the verified fragments to generate a temporary file with digital watermarking. The method is mainly used in the field of data transmission.

The present invention provides a bus communication protocol optimization method based on time division multiplexing technology, which relates to the field of bus communication technology, including: calculating the timing difference of each pair of nodes according to the node information of the data packet; dividing the timing difference matrix and dynamically calculating the change in the weight of the timing difference; performing static time slot division according to a fixed period; dynamically allocating time slot resources through time division multiplexing technology in combination with a node pair weight change table; predicting potential time slot conflicts in combination with historical conflict rate statistics, and dynamically adjusting the backoff time. The present invention realizes intelligent allocation of time slot resources by collecting node timing data in real time and constructing a timing difference matrix, and dynamically calculating the node weight change in combination with the STDP mapping mechanism; a hybrid backoff algorithm of exponential backoff and fixed window constraint greatly reduces the average conflict probability of high-conflict time slot groups, and controls the delay fluctuation of low-conflict time slot groups within a low fluctuation range, taking into account both the real-time response and long-term stability of the system.

The invention belongs to the field of communication and information processing, and provides an innovative method for monitoring authorization codes of telecom number portability services. By means of a multi-source data fusion and stream processing technology, authorization code generation and user terminal logs are converged in real time. According to a dynamic rule, single-user (no response in one minute), system local (abnormal in three minutes) and global (abnormal rate is greater than or equal to 10% or interface delay exceeds 5 seconds) abnormity are rapidly judged, and three-level alarm is accurately triggered: in the first level, an interaction card is pushed through enterprise WeChat, so that one-key processing is facilitated; the second level automatically makes a call and generates a work order; and three-stage direct fusing is carried out, and a standby node is started. Meanwhile, an exponential backoff retry (at most 3 times) and a feedback learning mechanism are adopted, the threshold value is optimized, and noise is reduced. According to the method, second-level response is achieved, the authorization code issuing success rate is increased to 99.9%, the operation and maintenance efficiency is improved by 75%, the traditional monitoring blank is filled, and stable operation of telecommunication services is powerfully guaranteed.

The invention provides an asynchronous task processing method based on persistent queue and business rule conflict detection, and the method specifically comprises the steps: receiving an e-commerce data flow, and analyzing the e-commerce data flow into an atomic data line object; extracting a to-be-operated resource dimension in the object, and forming a resource locking identifier set consisting of a service main key and an association key; establishing a conflict dependency relationship between write operations, and constructing a directed acyclic dependency graph according to the conflict dependency relationship; the objects are decomposed into a plurality of batches which are executed in sequence, and it is ensured that resource identification sets of all the objects in the same batch are not intersected; for each object, reading the current data version number of the target write-in position, and generating a write-in instruction containing an expected version; verifying the consistency of the real-time version and the expected version by using a database CAS instruction; if the real-time version and the expected version are consistent, finishing persistence; if not, the concurrency version conflict is judged; at the moment, a conflict avoiding mechanism is triggered, rollback time delay is calculated through an exponential back-off algorithm, and conflict objects are re-injected into the dependent construction or execution process.