43 results about "Inter-server" patented technology

The invention discloses a heterogeneous cellular network task unloading method oriented to location privacy protection, and belongs to the technical field of communication. The invention provides a heterogeneous cellular network task unloading method oriented to location privacy protection, aiming at solving the problem that location privacy leakage is possibly caused when a mobile user unloads a task to a micro base station edge server to which the mobile user belongs in heterogeneous cellular network edge calculation. According to the method, the privacy leakage risk of task unloading is evaluated according to user position distribution, the number of unit tasks to be unloaded and the resource state of each edge server, the position correlation between users and target servers is weakened by using a relay forwarding mechanism of a macro base station, and a deep reinforcement learning method is adopted, so that the task unloading efficiency is improved. And the position privacy risk and the task unloading strategy of the user are dynamically learned and optimized, so that the position privacy protection of the user is effectively realized and the average unit task energy consumption is minimized under the constraint of average unit task tolerance time delay.

The invention provides a satellite communication method and device, computer equipment and a storage medium, the method is applied to a satellite communication system, the satellite communication system comprises user equipment, a first modem, a second modem and a target server, and the method comprises the following steps: responding to a communication connection request of the user equipment to the target server; creating a satellite communication link between the user equipment and the target server through the first modem and the second modem; and performing data transmission control on the satellite communication link based on a dynamic bandwidth delay product window model and a BBRv2 congestion control algorithm. Based on the scheme of the invention, the transmission performance in a high-delay and high-error-code environment is remarkably improved while the transparent proxy of a satellite link is realized.

The application provides a CPU load balancing-based inter-server communication scheduling method and system, and relates to the technical field of CPU load balancing, wherein the method comprises: performing quality evaluation on network state data to generate strategy data, and meanwhile converting electromagnetic intensity signals and temperature distribution signals in a computer room into corresponding digital signals to form an environment data set; fusing the strategy data and the environment state data set through a dynamic weight adjustment algorithm to generate a frequency modulation scheme and a channel switching instruction; screening a set of available CPU cores according to load data; and finally distributing data packets to target CPU cores for processing and transmission according to the frequency modulation scheme and the channel switching instruction, establishing multiple concurrent connection channels, and thereby realizing load balancing and high stability transmission between servers. The application improves the communication efficiency and transmission reliability of a server cluster.

The invention discloses a DNS cache snooping attack protection method and device based on an onion network. The method comprises the following steps: receiving a DNS query request sent by a client; a DNS pseudo resource record type is packaged in the DNS query request, and the DNS pseudo resource record type comprises an onion field; extracting an onion field in the DNS pseudo resource record type, and searching a DNS record corresponding to the request domain name, the request type and the onion field in a cache of the DNS pseudo resource record; if the corresponding DNS record is found in the own cache, a refusal response result is returned to the client; and if the corresponding DNS record is not found in the cache, triggering recursive query. According to the DNS cache snooping attack protection method based on the onion network provided by the invention, cache snooping protection is provided for DNS query by utilizing the idea of onion routing, and meanwhile, the decreasing effect of ttl is considered, so that the problem of influencing the performance or the consistency between data and an authoritative server is avoided.

The application provides a book management system data real-time synchronization processing method for dynamic updating of a book inventory, relates to the technical field of book management, and comprises the following steps: real-time monitoring of book inventory data change events of each book management terminal and a background server end, if a change is monitored, a change trigger signal carrying a change end identifier and a timestamp is generated; based on the change trigger signal, incremental change data is captured to analyze a book identifier, change content and an operation type, and a plurality of key frame identifier nodes corresponding to a transmission protocol encapsulation layer of the incremental data are extracted as dynamic anchor points to form an anchor point coordinate set; the anchor point coordinate set is bound with the incremental data packet and is synchronized to all other terminals and servers, so that each receiver simultaneously obtains the incremental data to be processed and the corresponding anchor point coordinate set. The application can realize real-time and strongly consistent synchronization of book inventory data between multiple terminals and a background server, and avoids inventory data errors caused by concurrent operations.

The present disclosure provides an SCADA system that can equalize the time to which alarm information is given between two redundant SCADA servers. A SCADA system is provided with a first SCADA server and a second SCADA server configured so as to be able to receive a signal relating to an alarm from a PLC. When each of the first SCADA server and the second SCADA server receives a signal related to an alarm from the PLC, the first SCADA server and the second SCADA server generates alarm data in which the signal related to the alarm is endowed with the current time, and transmits the generated local alarm data to the SCADA server of the opposite side. In addition, remote alarm data is received from the counterpart SCADA server. In addition, when at least one of the local alarm data and the remote alarm data is acquired, any one of the local alarm data and the remote alarm data is selected according to a predetermined rule.

The application discloses a kind of based on reinforcement learning's internet of things terminal remote upgrading method and device, it is related to internet of things technical field, the method includes by gateway sends upgrade request to internet of things terminal, to notify internet of things terminal to carry out remote upgrading, the upgrade request includes the address of update server, the latest deadline of remote upgrading;The flash area of internet of things terminal is divided, and flash is divided into application software program area and upgrade boot program area;Internet of things terminal receives upgrade request and switches interrupt vector table from application software program to upgrade boot program, carries out distributed autonomous upgrading decision based on reinforcement learning algorithm;Based on FTP protocol, communication between internet of things terminal and update server, to download the file required for updating, and carry out the update of Q table, and carry out the update of application software firmware.The application can guarantee the reliability of remote update upgrading.

The invention relates to a DNS encrypted transmission and flow dynamic allocation method and system based on TLS, and the method comprises the steps: executing a TLS protocol handshake to generate an encrypted transmission channel through building a TCP connection, and limiting an 853 port to only receive a TLS handshake message; the encrypted DNS query is sent and processed through the encrypted transmission channel, and the transmission efficiency is optimized by using pipeline scheduling and a disordered response mechanism; by monitoring a network state and a server load, an encrypted transmission mode or an unencrypted transmission mode is dynamically switched based on a preset threshold value. By decoupling the DoT module and the recursion function, flexible configuration and dynamic loading are supported, full-process encryption communication between the recursion server and the authoritative server is achieved, and the problem that in the prior art, a safety link is incomplete is solved. A dynamic allocation mechanism is introduced, encrypted and unencrypted paths are intelligently switched according to the network state and the load, and the safety and the availability are balanced.

The application provides a multi-connection and diversity liquid distributor for a data center cabinet, which comprises a distributor and a liquid collector, the distributor and the liquid collector are installed on a side plate of the cabinet, the extension direction of the distributor is parallel to the extension direction of the liquid collector, the distributor is provided with a distribution outlet, the liquid collector is provided with a liquid inlet, the distribution outlet is connected with a cooling inlet of a server in the cabinet, and the liquid inlet is connected with a cooling outlet of the server in the cabinet. The multi-connection and diversity liquid distributor for the data center cabinet can be flexibly adjusted according to the layout and the number of the servers, the cooling system does not need to be reconfigured, the production cost is reduced, the distributor and the liquid collector are arranged at intervals from the servers, and the overall safety is improved.

The invention discloses a zero-trust service access method and device, equipment and a storage medium, and relates to the technical field of network security, and the method comprises the steps: collecting user authentication information through employing a target webview assembly, and transmitting the user authentication information to a zero-trust authentication platform, thereby carrying out the identity authentication of an SDP client, and generating dynamic authorization information; receiving the dynamic authorization information, and sending an SPA request to the zero-trust authentication platform by using the target webview component so as to open a target firewall port; and establishing an encryption tunnel between the local and the target server based on the target webview component, and performing service access on the target server based on the encryption tunnel and the dynamic authorization information. An encryption tunnel with the target server is established through the webview component, service access is carried out, the range of zero-trust network control is limited in the application of the integrated component, and the problem that the influence range of a zero-trust mechanism is too large is avoided.

The invention provides an RDMA network performance abnormity diagnosis method under set communication. In a collective communication process, firstly, a monitor located at a server side executes algorithm disassembly in advance, monitors related performance information of a collective communication flow in real time according to steps, and reports the related performance information to an analysis server; the monitors inform the servers of waiting relations by sending Notification packets among the monitors, adaptively execute an appropriate anomaly detection triggering process when performance anomaly occurs, send a polling query data packet to the switches through the servers, trigger telemetry information collection on all the switches related to the anomaly, and report the telemetry information collection to an analysis server in sequence; and finally, the analysis server constructs a waiting relation graph and a network traceability graph, and comprehensively analyzes the waiting relation graph and the network traceability graph to give a diagnosis result. The problems that in a set communication scene, existing analysis modes such as a network traceability graph cannot give the overall performance bottleneck of set communication and cannot give contribution evaluation of flow to overall set communication performance abnormity and the like are solved.

The utility model discloses a helium cooling system suitable for a high-density air-cooled cabinet, and the system comprises a sealing box which is internally provided with a sealing cavity, the interior of the sealing cavity is suitable for the arrangement of a server, and the interior of the sealing cavity is filled with helium; the driving part and the server are arranged in a spaced mode so as to drive the helium to flow in the sealing cavity in the direction from the driving part to the server; and the heat exchanger is arranged between the driving part and the server so as to exchange heat with the helium. According to the helium cooling system disclosed by the utility model, the helium is adopted as a heat exchange medium, and the nitrogen flows to the server after passing through the heat exchanger to cool the server, so that the overall heat exchange capability of the cooling system is improved, the heat dissipation requirement of the server is met, static electricity is not easy to generate, and equipment damage caused by the static electricity can be reduced; while the heat dissipation requirement of the server is met, original cooling parts are reserved as much as possible, the system modification cost is reduced, and the economical efficiency is improved.

The application discloses a constraint-aware heterogeneous cluster fair scheduling method and system based on space-time sharing. The method comprises the following steps: obtaining a task execution request of a user, and constructing a task constraint matrix; generating a task execution list based on space sharing and maximum minimum fairness; performing constraint-aware fair scheduling among servers, and allocating a target server for a highest priority task; performing round-based time sharing dynamic adjustment until the end of the current round of time; and continuously performing round scheduling until the task execution list is empty. The constraint-aware heterogeneous cluster fair scheduling method based on space-time sharing comprehensively considers task constraints and heterogeneous resource fairness, thereby coordinating and managing distributed computing tasks, ensuring fairness among users, and improving computing efficiency.

The invention discloses a Broker active-active communication method for a rail transit PIS system, belongs to the field of rail transit communication, and realizes zero switching time of Broker service and no interruption of communication service through Broker active-active operation management, data filtering, disconnection monitoring reconnection and other mechanisms, thereby ensuring continuity and high reliability of communication between devices. The system mainly comprises a vehicle-mounted terminal device and two Broker servers, the vehicle-mounted terminal device and the two Broker servers perform Broker active-active mode communication through an HMqttAgt module, the HMqttAgt module provides an MQTT message proxy service for the vehicle-mounted terminal device, and the Broker active-active mode of the HMqttAgt module specifically comprises the following steps: MQTT message proxy; the message time is synchronized through the NTP service; filtering the MQTT message; and broken line monitoring and reconnection are carried out. The method is mainly used for rail transit PIS system communication.

The application provides an inter-server gradient communication and calculation cooperative scheduling method for large model training, GPUs of each calculation server perform forward and backward propagation processes of model training to generate local gradient tensors, and gradient importance is evaluated through a gradient sensing and compression module; according to the classification result of the gradient, a hierarchical dynamic compression strategy is executed; the optimal communication topology and transmission path are dynamically selected, and the compressed gradient package is transmitted to other calculation servers and a global parameter server; the execution sequence of the calculation task and the communication task is coordinated through a double buffering mechanism to realize parallel execution of gradient transmission and next training batch calculation; the global parameter server performs asynchronous gradient aggregation, restores the global gradient and prepares parameter update. The application reduces the gradient communication data volume by 70%-80%, shortens the communication time by more than 60%, greatly alleviates the communication bottleneck problem in large model training, and maximizes the reduction of communication data volume under the premise of ensuring accuracy.

The invention discloses a signal sending device based on batch homomorphic encryption, which belongs to the technical field of signal processing, and is characterized in that an offset is uniformly set on all clients participating in the current federal learning round through a parameter update quantity offset module, and an offset parameter update quantity is generated; the binary coding module is used for converting the offset parameter update quantity into a specified binary representation form; the batch processing encryption aggregation module performs end-to-end splicing on the binary form of the offset parameter update quantity to obtain a plurality of long binary strings, and after the client uses a homomorphic encryption public key for encryption, the server aggregates the corresponding encrypted long binary strings; the aggregation value decryption and recovery module is used for decrypting the obtained encrypted aggregation value by using a homomorphic encryption private key by the client and recovering the encrypted aggregation value to a normal parameter update quantity aggregation value; and the sending module is used for completing two-way transmission of encrypted data and auxiliary data between the client and the server.

The invention relates to the technical field of computer networks, and provides a top-level domain mirror image area management method, device, system and equipment, and the method comprises the steps that a main server constructs a DNS catalog area, an auxiliary server transmits a data synchronization request to the main server, and the data synchronization request is transmitted to the main server through a DNS area transmission protocol; and synchronizing the DNS directory area locally constructed by the main server to the local of the auxiliary server. According to the top-level domain mirror image area management method provided by the invention, the centralized DNS directory area is constructed through the main server to serve as a single configuration source of the multi-top-level domain mirror image service, automatic synchronization between the main server and the auxiliary server is realized through a DNS area transmission protocol by utilizing a DNS in-band management mode, and when the areas are increased or removed, the management efficiency of the main server and the auxiliary server is improved. The problems of low efficiency, high error probability and the like caused by manual configuration modification and manual operation are solved, and change scenes of different scales can be adapted by means of protocol transmission capability, so that the automation, the stability and the service reliability of the cluster are remarkably improved.

The application relates to a computing power server detection method and device, computer equipment, a storage medium and a computer program product. The method comprises the following steps: acquiring a sequence set; for each sequence, determining the estimated communication bandwidth between computing power cards in a server according to the query bandwidth between each two connected computing power cards in the sequence; performing traversal on the sequence, determining the estimated inter-server communication bandwidth corresponding to the sequence currently traversed, stopping the traversal when a traversal stop condition is met, and screening sample sequences from the traversed sequences; determining a standard inter-server communication bandwidth according to the sample sequences; acquiring the measured value of the communication bandwidth between the computing power cards in the server and the measured value of the inter-server communication bandwidth, and generating a computing power server detection report according to the standard inter-server communication bandwidth, the measured value of the communication bandwidth between the computing power cards in the server and the measured value of the inter-server communication bandwidth. The method can detect whether the computing power server has a problem.

The application provides a realization method of cross-host communication of short message TCP connection cluster, which solves the mutual communication problem of TCP connection among clusters by using the combination of control nodes and Caffeine cache without introducing common message queue components. The application provides a method for realizing the mutual communication of short message TCP connection among different servers in a cluster, in which one node is used as a control and scheduling node, and Caffeine high-speed memory is used to save messages from different service nodes, so as to realize the mutual communication of short message TCP connection among different servers in a cluster.

The invention provides a pathological image feature extraction model construction method and a feature extraction method and system. The construction method comprises the steps that a server sends current global parameters of a global student model to clients; each client performs distillation training on the local student model based on a local unlabeled sample image to obtain a current local parameter of the local student model, determines a key layer from each parameter layer based on a parameter update amount of each parameter layer between the global parameter and the local parameter, compresses the parameter update amount of the key layer and uploads the compressed parameter update amount to the server; and the server aggregates the parameter update quantity uploaded by each client, iteratively updates the current global parameter of the global student model based on an aggregation result, executes global distillation to obtain an updated global teacher model until the global student model completes training, and takes the final global teacher model as a pathological image feature extraction model. According to the method and the system provided by the invention, the communication data volume between the cross-client and the server is greatly reduced.

The invention discloses a communication method and device between dual systems of a robot, the robot, a medium and a product, and the method comprises the steps: responding to a target communication system network distribution instruction triggered on a robot hardware body, and controlling an Android terminal and the robot to establish a network connection of a target communication system. After the Android terminal and the robot are successfully networked, communication connection between the Android terminal and an MQTT server in a main system is established, and communication connection between the target Android application program and the MQTT server and communication connection between the robot control programs and the MQTT server are established in advance. And when a target control instruction sent by the Android terminal is received through the MQTT server, the target control instruction is issued to the target Android application program and / or the target robot control program to execute and / or display a control operation and / or a processing result matched with the target control instruction. According to the technical scheme, flexible and efficient communication of the Android application program and the robot control program in the dual systems of the Android terminal and the robot is realized.

The invention relates to a remote configuration and management system based on TCP (Transmission Control Protocol) long connection, which belongs to the technical field of remote configuration and management and comprises a remote configuration cloud client serving as a bridge for interaction between the system and a server. The TCP long connection module is used for establishing and maintaining TCP long connection with a server and sending equipment identity authentication information and a periodic heartbeat data packet; the command processing module is used for analyzing and executing various remote configuration instructions received from the server; and the configuration storage module is used for realizing persistent management of configuration information, ensuring that the equipment can automatically recover a previous configuration state after being restarted, and ensuring the continuity and stability of system operation.

Disclosed in the embodiments of the present application are a communication method, a communication apparatus, a communication system, and a storage medium, which are applied to the technical field of communications, and used for implementing multi-vendor model learning. The method in the embodiments of the present application comprises: sending a first message to a first terminal device, wherein the first message is used for acquiring a first model, and the first model is obtained by means of training by a first network server; and receiving the first model, wherein the first model is used for being trained with a second model, so as to obtain a third model, and the second model is obtained by means of training by a second network server. The embodiments of the present application can implement model transfer between servers by means of exchanging models or server address information between devices, thereby implementing multi-vendor model learning.

The embodiment of the invention relates to a communication method, user equipment, communication equipment, an OTT server and a communication system. The communication method comprises the following steps that: user equipment (UE) transmits artificial intelligence (AI) data and / or an AI model through non-access stratum (NAS) signaling and a mobility management function (AMF); wherein the AMF transmits the AI data and / or the AI model with at least one of a top-crossing OTT server, a core network element and a core network function, the AI data and / or the AI model are / is transmitted through a control plane, and the mobile communication network can effectively control communication between the UE and the OTT server. Under the condition that the communication between the user equipment and the OTT server is not transparent to the mobile communication network (such as 3GPP), the mobile communication network has a certain control degree on the communication between the user equipment and the OTT server.

The invention discloses a charging pile platform uninterrupted service publishing system and method, the system comprises a charging pile end, a TCP server and a service server, and a configuration center is deployed between the TCP server and the service server. According to the method, a to-be-updated service server cluster list is obtained from a configuration center, a target service server is determined, a service message is formed and forwarded to a charging pile end for deployment, and after the target service server confirms that the service of the charging pile end is normal through health check, the target service server is added into a routing list again. According to the invention, the TCP connection management and the business logic processing are thoroughly decoupled, so that the long connection between the charging pile and the front TCP server does not need to be disconnected when the platform service issues a new version. The service request of the charging pile and the channel for receiving the response are always kept smooth, so that the interruption or delay of the charging service caused by service release is completely eliminated, a user can complete service updating without perception, and the user experience and the overall service availability of the system are remarkably improved.

The invention relates to a multi-control multi-activity storage system and a multi-control multi-activity storage method. A plurality of parallel storage servers are provided, and each storage server is provided with a plurality of disk array groups. After external data are equally divided into equal data segments, each equal data segment is written into a pair of storage servers, and at least one of a pair of storage servers where any previous equal data segment is located is different from a pair of storage servers where an adjacent next equal data segment of the previous equal data segment is located. And when any one equal data segment is written into one corresponding storage server, establishing a backup block of the any one equal data segment in the single disk array group only by using the single disk array group of the corresponding storage server and based on the backup of the single disk array group. External redundant data layers located among different storage servers are configured for external data, internal redundant data layers located among different disk array groups are configured for the external data, and the external redundant data layers and the internal redundant data layers provide a data recovery function.

The invention relates to a low-power-consumption wide area network communication application technology, in particular to a communication method for monitoring a heat supply long-distance pipe network, which realizes data exchange between a monitoring terminal and a cloud server based on a low-power-consumption wide area network. Defining and storing a space pairing relationship between the monitoring terminals according to a pipe network topological structure; the cloud server circularly calculates the time difference of the monitoring data receiving moments of each pair of spatially paired monitoring terminals, generates a control instruction and issues the control instruction to at least one of the pair of monitoring terminals when the time difference is greater than a second county tolerance threshold value, so that the at least one of the pair of monitoring terminals adjusts the sending time offset stored by the at least one of the pair of monitoring terminals; in this way, the time difference of the receiving moments of the monitoring data reported by the monitoring terminals in spatial pairing is maintained to be within the preset first tolerance threshold value. According to the method, under the condition that the allowable difference value during alignment of sampling data of some monitoring terminals is met, the comprehensive power consumption caused by radio frequency conventional time calibration of the monitoring terminals is remarkably reduced.

The invention discloses a data transmission method and device, a storage medium and electronic equipment, and belongs to the technical field of data interaction. The method is applied to a client, the client is dual-card dual-pass, a configured first smart card and a configured second smart card are both in a data service communication mode, and the method comprises the steps that a first quality parameter is determined, and the first quality parameter indicates the quality of a communication link of the first smart card; determining a target data transmission mode based on the first quality parameter, wherein the target data transmission mode comprises a first transmission mode, a second transmission mode or a third transmission mode; based on the target data transmission mode, carrying out data bidirectional interaction with a server; the first transmission mode is a mode of only using a communication link of the first smart card, the second transmission mode is a mode of only using a communication link of the second smart card, and the third transmission mode is a mode of simultaneously using the communication link of the first smart card and the communication link of the second smart card. According to the embodiment of the invention, the data transmission quality between the client and the server is improved.

The application discloses a security aggregation method with a cache layer for users to quit part of servers. The method includes the design of noise random variables on the server side of the cache layer, the encoding of user upload messages, the encoding of shared messages between servers, the decoding of server recovery of unreceived user upload messages, the encoding of communication messages between the simulation center and the servers, and the decoding of the simulation center for received messages. This method can be applied to each user separately for any no more than N-N r server dropouts, any no more than N-N r server dropouts for the simulation center, and any no more than T (T r ) number of server collusion, and the minimum communication rate of the first hop and the second hop.