251 results about "File transmission" patented technology

According to the internal network and external network synchronous transmission method and system based on the TCP provided by the invention, file type detection and file title detection are realized at a server side, compliance screening is carried out on file contents before a transmission link, and sensitive files are prevented from entering a transmission link; after the detection is passed, segmented transmission is carried out by adopting a preset fragmentation rule, and breakpoint resume is executed by utilizing a fragmentation index when the transmission is interrupted, so that the stability and the efficiency of large file transmission are remarkably improved; furthermore, the server pushes the downloading notice to the extranet client through the TCP after receiving the auditing result of the intranet client with the auditing authority, so that the file is ensured to be subjected to the auditing link before being transmitted to the extranet, and the unification of high safety, controllability and high efficiency is realized.

A computer-implemented method for managing a computing infrastructure with at least one self-encrypting disk connected to a customer network, involves accessing instructions that orchestrate compute resources and include modules for server management, key management, file transfer, and IPMI. The server management module receives requests from the orchestrator to start nodes and reconfigure hosts, boots hosts over provisioning networks, downloads images, and unlocks self-encrypting disks using passwords stored in the key management system. The method also includes soft rebooting hosts and removing their configuration to switch them back to customer networks.

The invention discloses a file fragment transmission method and device and a program product. The method comprises the following steps: acquiring a current network bandwidth, and determining the size of a fragment based on the current network bandwidth; the file to be transmitted is fragmented based on the fragmentation size to obtain a target fragmented file, the target fragmented file comprises one of N fragmented files obtained by fragmenting the file to be transmitted, and N is a positive integer; and encrypting the target fragment file to obtain an encrypted fragment file, and transmitting the encrypted fragment file to a data receiver. Through the file transmission method and device, the problem that the file transmission failure rate is high when the network fluctuates due to the fact that the file is subjected to fixed fragmentation according to the fixed size in the fragmentation transmission process of the file in the related technology is solved.

The invention discloses a file transmission method and system for sensitive information identification and automatic blocking. The method comprises the steps that a network data packet in the file transmission process is captured, file content is analyzed, and related metadata is extracted; performing multi-level sensitive information detection on the extracted related metadata by fusing keyword matching, regular expression matching and semantic analysis methods; based on a multi-level sensitive information detection result, combining sensitive information severity, weight, file importance and information density to construct a weighted risk assessment model, calculating a risk value and dividing risk levels; when the risk level is judged to be high risk, file transmission connection is automatically interrupted, local cache data is cleared, and a complete audit log is recorded. According to the sensitive information identification method and device, through combination of various identification technologies such as keyword matching, regular expression matching and semantic analysis, the accuracy of sensitive information identification is greatly improved, sensitive information in various forms can be effectively identified, and the situations of misinformation and missing report are reduced.

The invention provides an EtherCAT protocol fault injection test system and method. Comprising a management control module used for generating a fault injection configuration and control instruction; the simulation slave station module is used for establishing a register and interface model of a slave station controller, generating a virtual slave station topology according to a network configuration file and communicating with the master station; the multi-level fault injection engine is used for implementing injection in a link layer and an application layer according to fault injection configuration; a trigger control unit for determining a trigger condition according to a communication state transition, an initialization command, a specific mailbox transaction, a frame count, or a time window; the injection execution unit is used for presetting hanging points of message generation and analysis, storage mapping and synchronous management processing and object dictionary access and file transmission processing; and the test arrangement and judgment module is used for judging the receipt record and the state of the master station according to a preset rule and outputting a judgment result. According to the invention, multi-level accurate fault injection, automatic replayable testing and unified observation determination can be realized.

The invention relates to a DataX-based FTP (File Transfer Protocol) unstructured file transmission breakpoint resume implementation method and device. The method comprises the steps that a progress tracking module is integrated in a DataX Writer, and a transmission progress metadata file (TPMF) containing information such as the number of uploaded bytes and the state is created for each file and dynamically updated; deploying an independent process monitor to monitor task interruption, and triggering progress persistence to TPMF; and a user selects a file through the independent FTP continuous transmission scheduler, reads the TPMF and the size of a target file at a server side to judge a breakpoint, calls an FTP REST command to perform continuous transmission from the breakpoint, and updates the state after the continuous transmission is completed. According to the method, accurate progress recording, abnormal interruption active storage and user controllable continuous transmission are realized, redundant retransmission is avoided, the transmission efficiency and the resource utilization rate are improved, the data synchronization robustness is enhanced, and the operation and maintenance complexity is reduced. The method is small in DataX core invasiveness, high in universality and suitable for high-reliability synchronization scenes of large-scale unstructured files.

This invention provides a method and apparatus for retrospectively verifying data in multipurpose internet mail extension (MIME) encapsulated data exchange, such as in email systems. [Solution] A more reliable and efficient retrospective data verification method for MIME and S / MIME application scenarios such as email systems and file transfers involves generating a unique and tamper-proof data tag for the proof data using extended information and proof elements determined by the evidence provider during verification, storing the data tag with the evidence keeper, and the evidence retriever responding to a retrospective data verification request by obtaining the target data tag from the evidence keeper and further verifying the data based on the target data tag.

The application relates to a file transmission method and device, computer equipment, a computer readable storage medium and a computer program product. The method comprises the following steps: receiving a file uploaded by a terminal in the case that a connection is established with the terminal; wherein the source storage equipment is selected from a plurality of storage equipments according to the use state of each storage equipment by a scheduling equipment; the use state comprises at least one of a load or an available space; the file is checked, and the file that passes the check is stored; wherein the storage mode comprises direct storage or block storage. The method can improve the efficiency and safety of file transmission.

The invention relates to the technical field of data management, and discloses a medical data secure transmission method and a big data digital signature system, and the method comprises a hierarchical processing step, a privacy enhancement step, a key negotiation step, a segmented transmission step and an audit tracking step. The system comprises a signature preprocessing module, a hierarchical signature module, a privacy purification module, a verification module and a tracing module. According to the method, a risk association map is constructed through hierarchical processing, and accurate identification of data association risks is realized; privacy and availability are balanced through differentiated privacy enhancement, authorization controllability is enhanced in combination with block chain key management, large file transmission integrity and non-repudiation are guaranteed, and whole-course audit is controllable. According to the system, the relevance between the signature and the privacy feature is improved through module design, the integrity and relevance of the signature chain are guaranteed, privacy protection and verifiability are compatible, efficient verification is achieved, the dispute traceability is provided, and pediatric medical data safety is guaranteed in cooperation with the method.

The application provides a mosaic video playing control system, method, electronic device and storage medium. The system comprises a device end, a server end and a browser end. The device end is used for collecting video data, encoding and processing video frames in the video data and detecting sensitive information in the video frames, obtaining encoded frames corresponding to the video frames and the sensitive information in the video frames, adding the sensitive information in a protocol header of the encoded frames, obtaining a first video file, and uploading the first video file to the server end. The server end is used for performing encapsulation processing on the first video file according to a video playing request of a user, obtaining a second video file, and transmitting the second video file to the browser end. The browser end is used for receiving the second video file, performing mosaic processing on video frames in the second video file, obtaining a mosaic video, and rendering and playing the mosaic video. The system can reduce storage cost, improve video concurrency, improve response speed and support plug-in-free dynamic playing.

According to the Blockly-based sewing automatic machine visual programming system and method, the medium, the program product and the terminal provided by the invention, the code blocks are quickly established in a graphic block dragging manner, and automatic code conversion, encryption and burning integrated operation is provided, so that the secondary development process is simplified. Meanwhile, debugging message output, a drawing function and a plug-in system hot update mode are also considered, and advanced customization requirements of part of users are met. And a built-in interface can realize debugging and file transmission of automaton equipment and other equipment. Through function blocks designed by the system, code conversion, encryption and burning integration and a simulation function, the code error probability is reduced to the greatest extent, so that the code development efficiency and quality are improved. According to the plug-in system, the updating and upgrading process of an existing system is simplified, the secondary development threshold is lowered, and the reliability of codes is ensured.

This invention discloses a method and system for batch processing and monitoring large files, relating to the field of computer technology, and particularly to a method and system for batch processing and monitoring large files. The method includes: sending a file to a batch processor via a file transfer platform to obtain a first sent file; triggering a first creation instruction when the file arrives; creating a first batch processing task execution graph through task relationship analysis; obtaining a first distributed execution task, wherein the first distributed execution task includes multiple subtasks; obtaining a first invocation instruction; invoking the logical module service configured corresponding to the first distributed execution task for parallel task execution according to a distributed scheduling framework and the first invocation instruction; and obtaining the first file batch processing result by managing the task status through a callback scheduling center when the task execution is completed. This solves the technical problems of long processing times and the inability to promptly identify and address anomalies in existing technologies for batch processing of large files.

The invention discloses a batch file transmission method and device, a storage medium and electronic equipment, and relates to the field of distribution.The method comprises the steps that file service client platforms and batch scheduling platforms are deployed in multiple parks; when it is detected that the first park cannot provide services, a file transmission request related to a target application is transferred from the first park to a second park, a file service client platform and a batch scheduling platform of the second park are started, and batch file transmission and job scheduling are carried out with the second park as a main park; and during remote disaster recovery backup switching, transferring a file transmission request related to the target application from the first park and the second park to the third park, and switching the batch files to the third park. According to the method and the device, the technical problem of poor stability of a batch file transmission process caused by the fact that quick, automatic and effective disaster recovery park switching cannot be realized when batch file transmission faces a local park fault in the prior art is solved.

The invention discloses a file transmission method and device, electronic equipment and a storage medium, and relates to the technical field of file transmission, and the method comprises the steps: employing a front-end file warehouse and rear-end file warehouse separation architecture, providing file reading and writing for a file transmission service through a front-end file warehouse, storing encrypted files, not directly providing plaintext files stored at the rear end for a receiver, and not directly providing a file transmission service; the security of the file to be transmitted is ensured; on the basis of encryption of the transmission channel, the file level is encrypted, so that the risk of data leakage of the file to be transmitted is greatly reduced; through file routing setting, one-to-one accurate forwarding of the to-be-transmitted file can be realized, and the effect of forwarding authority control is also achieved.

The invention discloses an intelligent traffic Internet of Vehicles V2X communication method based on metadata driving, and the method comprises the steps: encrypting and decrypting real-time shared data, updating a secret image file, and transmitting the secret image file. The encryption and decryption of the real-time shared data, the updating of the secret mapping file and the transmission of the secret mapping file are all processed by a protection module MDPM (Metadata Drive Procedure Module) based on metadata driving, which is provided by the invention, and the encryption and decryption of the real-time shared data, the updating of the secret mapping file and the transmission of the secret mapping file are all carried out; according to the V2X communication method for the smart traffic Internet of Vehicles, the problems of data leakage, data counterfeiting, timeliness and accuracy of data transmission and the like can be effectively solved; according to the invention, safe, fast, fine-grained and low-latency data communication services can be provided.

According to the display content sharing method and system provided by the invention, when the display content is shared, the sharing vehicle side converts the display content resource into the resource coding configuration set through coding standardization to upload the resource coding configuration set, so that the occupation of the shared content on cloud resources is reduced. And the shared vehicle end can reproduce the display content of the sharing vehicle end only by inputting the request short code. A unique short code is used for replacing a display content file for display content sharing, conversion from file transmission to short code interaction is achieved through display content sharing, consumption of system resources in the display content sharing process is reduced, display content sharing and reproduction operation is simplified, the data transmission amount is reduced by adopting a short code sharing mechanism, and the display content sharing efficiency is improved. The data transmission time is shortened, the sharing efficiency is improved, and the user experience is improved.

The application provides a remote file differential transmission and iteration method and device. The method comprises the following steps: receiving a hash value of at least one file under a specific directory transmitted by a client, reading an index file in a target compressed package, traversing information of each file in the index file, obtaining a hash value of a current file, if the hash value of the current file is different from hash values of each file in the at least one file, and the hash value of the current file is different from hash values of the files that have been traversed, obtaining a compressed data size of the current file; determining a target file header, and sending the target file header and an index table in the target compressed package to the client; for each target file, determining compressed data of the target file, and sending the compressed data to the client; and sending a target file tail and at least part of data in the index file to the client, so that the file transmission speed is improved, and the storage space is saved.

The application discloses a node seismic data transmission method and system based on piggyback communication. The method comprises the following steps: a user end generates a piggyback instruction based on the file name of seismic data files needing retransmission and the corresponding node seismic instrument equipment ID and sends the piggyback instruction to a cloud server; the cloud server judges whether the piggyback instruction relative to the node seismic instrument is received in response to a communication link establishment request sent by the node seismic instrument, and if yes, sends the piggyback instruction to the node seismic instrument together with a response message relative to the communication link establishment request; the node seismic instrument judges whether the piggyback instruction is contained in the message sent by the cloud server, and if yes, performs seismic data time-sharing transmission first, and then sends the seismic data files needing retransmission to the cloud server. The system comprises various functional modules for realizing the above steps. According to the application, the problem that the seismic data file transmission is incomplete or lost in the process of existing seismic data file time-sharing transmission can be solved.

The invention discloses a data collaboration system, device and method, electronic equipment and a medium, and relates to the technical field of cloud computing. The system comprises a task analysis module used for determining task configuration information of a data collaboration task in response to an obtained data collaboration task; the evaluation module is used for determining the score of each computing power device according to the computing power index value of each computing power device corresponding to the source storage address and the weight corresponding to the computing power index; the distribution module is used for dividing the data collaboration task into a plurality of data collaboration sub-tasks based on the score of each computing power device, and distributing the plurality of data collaboration sub-tasks to the plurality of computing power devices; each data collaboration sub-task indicates to transmit part of files in the file set of the source storage address to the target storage address, and the size of the file indicated by the distributed data collaboration sub-task of each computing power device is in positive correlation with the score of each computing power device. According to the system, the plurality of computing power devices transmit data in parallel, so that the transmission efficiency is improved.

The invention relates to the technical field of remote control, in particular to an OpenHarmony-based industrial equipment remote synchronization control method and system, and the method comprises the steps: obtaining the information of equipment for remote control, carrying out the initialization operation of a communication environment, carrying out the path selection of the communication environment based on link quality evaluation, and carrying out the remote synchronization control of the equipment. Constructing a structured message protocol based on application semantics according to the selected communication path, introducing an incremental state synchronization mechanism on the basis of the structured message protocol, constructing an industrial-grade command scheduling engine based on the incremental state synchronization mechanism, and establishing an adaptive file transfer protocol; the remote synchronous control is completed through network jitter perception and an intelligent retransmission mechanism, the orderly execution of remote commands and the reliable completion of file transmission are realized through an industrial-grade command scheduling engine and the intelligent retransmission mechanism, the automatic processing of operation and maintenance tasks is supported, and the efficiency and reliability of industrial remote operation and maintenance are improved.

The invention provides a block chain file transmission method and device, equipment and a storage medium, and relates to the technical field of file transmission. In the method, a file sending node sends a node connection request to a file receiving node, and establishes a trusted transmission channel with the file receiving node after verification of the node connection request is passed; the file sending node randomly generates a first private key, calculates a first public key through an algorithm parameter, and adds the first public key into a CA certificate; sending the CA certificate to a file receiving node through a trusted transmission channel for key negotiation to obtain a session key; and encrypting the to-be-transmitted file by using the session key, and transmitting the encrypted to-be-transmitted file to the file receiving node through the trusted transmission channel. The session key is obtained in a key negotiation mode, and it can be ensured that the key is not obtained by the outside world. And finally, encrypting the file to be transmitted by using the session key, and transmitting the encrypted file to the file receiving node, thereby realizing key negotiation-based block chain file transmission, and improving the security of block chain file transmission.

The embodiment of the application provides a data transmission method and related device, which are applied to the field of communication. The method comprises the following steps: a first device logs in a bastion host through ssh; the first device receives and responds to a first operation for selecting a second device from a plurality of device identifiers, and establishes a communication connection with the second device through the bastion host. The first device receives a shortcut key command and sends the shortcut key command to a session management module of the bastion host. The bastion host converts the shortcut key command into a control command, and interacts with the second device according to the control command to obtain a service address of a server corresponding to the second device. The first device accesses the server according to the service address from the bastion host to download data in the second device or upload data to the second device through the server. In this way, the service address for file transmission is obtained on the bastion host through the shortcut key command, and file transmission is realized through the service address. This method is simple to operate, convenient for file transmission, small in resource occupation, and low in governance cost.

The application discloses a data transmission method and device, equipment and storage medium, relates to the field of data security, and comprises the following steps: determining a file to be shared, and acquiring a current sharing protection key and a current sharing identifier stored in a data protection server through a first mobile data protection security suite; encrypting a session key generated based on a secret key in the first mobile data protection security suite by using the current sharing protection key to obtain a first encrypted session key; generating a target encrypted file based on the first encrypted session key, the current sharing identifier and the file to be shared; and transmitting the target encrypted file to a second mobile terminal, so that the second mobile terminal decrypts the target encrypted file and stores it. The application realizes the safe migration and backup of data between different mobile terminals by encrypting the key and the file, and improves the safety and transmission efficiency of the data transmission process.

The invention provides a data synchronization system, method, device and equipment and a storage medium, and relates to the technical field of data processing. The data synchronization system comprises a production platform, a forwarding system and a management platform, wherein the forwarding system determines a synchronization mode corresponding to the production platform; if the synchronization mode is based on the message queue, receiving a message sent by the production platform, and storing the message in a first message queue; sending a message to a management platform; if the synchronization mode is an asynchronous file transmission mode, receiving a product file sent by a production platform, and sending the product file to a management platform; and if the synchronization mode is an online interface mode, receiving product data sent by the production platform, and sending the product data to the management platform. The product platform can select one of multiple synchronization modes to access the synchronization system, and the transmission efficiency of the product data can be improved based on the message queue and the asynchronous file transmission mode.

Systems, computer program products, and methods are described herein for an AI-powered adaptable drift management system for computer servers. The present invention is configured to retrieve a server template of a server; extract template parameter values from the server template; extract data for a current server configuration of the server; generate server parameter values from the data or via feature engineering of the data; convert the generated server parameter values into a formatted file; transmit the formatted file; receive an additional formatted file containing deviated parameter values; analyze server performance under combinations of the deviated parameter values and the template parameter values; identify a combination of parameter values that optimizes server performance; adjust the server configuration using the identified combination parameter values; update the server template with the identified combination of parameter; transmit the updated server template; and transmit a report of the updates to the server template.

The invention relates to a device (D) for monitoring a portion of road, comprising a secure housing containing at leasta set of imaging apparatuses (C1, C2, C3) making it possible to obtain at least one front image, a series of side images and at least one rear image of a vehicle present in this portion;a processing platform (T1, T2, T3) making it possible to determine an identifier of the vehicle, to match the images, to determine a number of passengers associated with the vehicle, to construct a file for said vehicle that brings together the identifier, the images and the number of passengers, and to transmit the file to a remote server (S).

The embodiment of the invention provides a sharing method and device, and relates to the technical field of communication. The method can be applied to a first device, the first device can obtain a target image, the target image comprises a display picture when a second device displays a target file, the target image comprises target information, and the target information is used for the first device to obtain the target file. The first device can also extract the target information from the target image and obtain the target file according to the target information. Wherein the second device can be used as a sharing device, and the first device can be used as a shared device. In a scene that one file is shared to multiple persons, the shared user can acquire the target file according to the target information in the target image only by utilizing own equipment to acquire the target image. The cross-device file transmission efficiency can be effectively improved, so that the operation efficiency and the use experience of a user are improved.

Separating awareness of multipart file transmissions of different applications from traffic handling at a granularity of an individual application layer session facilitates efficient cybersecurity enforcement on multipart file transmissions. A protocol-based multipart file transmission regulator (“regulator”) determines a per session message handling action to prevent completion of a multipart file transmission based on a protocol of an application identified for the session until cybersecurity analysis can be performed. The regulator then communicates the message handling action to a network component supporting the session. The regulator maintains information and file chunks in a data store for active sessions and determines with the data store whether a condition for requesting cybersecurity analysis for a multipart file transmission is satisfied. Upon obtaining a cybersecurity analysis verdict, the regulator provides the verdict or a verdict based instruction to the network component that ensures the multipart file transmission is compliant with a cybersecurity policy(ies).

The embodiment of the present disclosure relates to an optimization method for content placement and transmission based on scalable video coding. The method comprises: constructing a wireless cache network; in the content placement stage, a macro base station transmits cached files to edge devices; in the content transmission stage, a user sends request information to an edge device in a cell; if the edge device has cached the requested content, the edge device directly transmits the requested content to the user; if the edge device does not store the requested content, the macro base station directly transmits the requested content to the user; in the content placement stage, an optimization problem for minimizing user transmission delay is constructed and solved to obtain an optimal cache strategy; in the content layer transmission stage, an optimization problem for maximizing user sum rate is established and solved to obtain an optimal transmission strategy. The embodiment of the present disclosure effectively improves the efficiency of file transmission, reduces transmission delay, and improves the service quality of users.

The application provides a file transmission method, an electronic device and a storage medium, and relates to the technical field of intranet security protection. According to the write parameters of a to-be-written file, an index file operation interface is called to determine whether an index file of the to-be-written file exists, if yes, according to the operation state of the to-be-written file in the index file and the write parameters of the to-be-written file, it is determined whether the index file of the to-be-written file is updated, when the to-be-written file is a large file or a small file, the index file operation interface is called according to the total size of the to-be-written file to update the storage location information in the index file where the to-be-written file is located, the updated index file records the real storage location information of the to-be-written file, and the real storage location information of the to-be-written file has the characteristics of high utilization of the disk space occupied by different data files, the write efficiency of the to-be-written file is improved, and the high-performance transmission requirement of the one-way import system is met.