44 results about "High performance network" patented technology

The invention discloses an end-network cooperative reliable multicast method and system, and relates to the technical field of artificial intelligence distributed computing and high-performance network communication. The method specifically comprises the following steps that: a sending end analyzes a target expert set output by a hybrid expert model in a gating manner, constructs a layered multicast bitmap comprising a network node bitmap and a local expert bitmap, and packages the layered multicast bitmap in a message extension header for sending; and the switching equipment analyzes the network node bitmap in the message extension header, executes parallel bitwise AND operation with a locally preset port bitmap mask, determines a target port set needing to be forwarded, and executes message copying and path pruning. The invention aims to solve the problem of highly dynamic target set distribution in a hybrid expert model scene through source end bitmap coding and a switch hardware pruning mechanism, and significantly reduce system overhead and long-tail delay while ensuring high-reliability transmission.

The invention provides a high-performance network communication system under a skyvein system and an implementation method thereof, a network communication scheme that a main partition is integrated with a third-party protocol stack bypass default protocol stack and a similar Socket interface is provided in the partition is designed under a system framework of a skyvein operating system, an open source protocol stack is utilized for implementation, and the network communication system can be implemented by reducing memory copies. A hardware unloading function is integrated, the data communication performance is greatly improved, the unidirectional UDP communication performance under the same hardware configuration is more than 5Gbps, and the performance can be improved by 5 times; the support of network services is expanded through a customized interface, and the requirements of new network communication characteristics are met. Coexistence of a third-party protocol stack and a system protocol stack is supported at the same time, when multiple network devices exist, the network device supporting the third-party protocol stack can be selected to use the third-party protocol stack, and other devices still use the system protocol stack; when the application of the third-party protocol stack is not used, the management interface can be automatically switched back to the system protocol stack, and flexible switching is achieved.

The invention discloses an ASIC chip for high-performance AOIP network audio stream transmission, and the interior of the chip comprises a function simulation circuit subsystem, a sensor controller, a clock, and a reset control module. The high-speed peripheral interface subsystem is arranged on the first bus, the hardware acceleration subsystem is arranged on the second bus, the low-speed peripheral interface subsystem is arranged on the third bus, the second bus is connected with the first bus and the third bus, and the function simulation circuit subsystem is connected with the third bus through the sensor controller; the hardware acceleration subsystem comprises a plurality of processor cores, two gigabit or 100M bit medium independent interfaces and a real-time transport protocol RTP transceiving engine; the two gigabit or 100M bit medium independent interfaces are compatible with the simplified medium independent interface, one of the two gigabit or 100M bit medium independent interfaces is used as a main network interface, and the other one is used as a standby network interface. The reliability problem of AOIP network audio stream transmission is solved.

The invention discloses a mixed domain AI high-performance network flow congestion suppression control method, which relates to the technical field of computer networks, and comprises the following steps: a congestion detection step: introducing data packet transmission round-trip time and a switch queue length as congestion detection signals, and a switch queue length management coefficient lambda and a data packet transmission round-trip time management coefficient theta are set. The method comprises the following specific steps: acquiring the current queue length Q of the switch, the data packet round-trip time RTT and the reference round-trip time baseRTT; and when the switch queue length Q is less than the queue length lower limit Kmin or greater than the queue length upper limit Kmax, calculating the data packet congestion marking probability P according to a formula. According to the invention, on the basis of the ECN, RTT indexes which can be collected without special support of network equipment are introduced as congestion detection signals together, and Q and RTT management coefficients are set, so that the response sensitivity of the network to congestion is further improved.

The invention discloses a message forwarding method and system, electronic equipment and a storage medium. The method comprises the steps that an initial message sent by forwarding hardware is received, the initial message is a message meeting a preset shunting condition, and the preset shunting condition is used for shunting a message needing to be processed by a first virtual switch from a target message, the target message is a message of which a forwarding path cannot be determined based on a flow table of the forwarding hardware; generating a first message corresponding to the initial message, and sending the first message to the forwarding hardware, so that the forwarding hardware forwards the first message according to the identification information in the first message; the identification information is used for representing a forwarding path of the initial message. According to the embodiment of the invention, the technical problem that a network card in the related technology is difficult to meet the message processing requirement in a high-performance network scene can be solved.

The present invention relates to a method, system, storage medium and electronic device for building a container network. The system includes a Kubernetes cluster, a CNI plug-in, a resource management system and a cloud platform. The resource management system includes a resource management module, a resource proxy module and an IaaS provider module connected in sequence. The Kubernetes cluster is connected to the CNI plug-in. The resource management module is also connected to the CNI plug-in. The IaaS provider module is connected to the cloud platform. The IaaS provider module is used to connect to the upper cloud platform module through the built-in IaaS provider resource management protocol. Various resource management protocols only provide general description information of resources that are not related to the cloud platform. The capability self-description protocol indicates the network resource management capabilities that the IaaS provider module can provide. In the present invention, the network plug-in is decoupled from the specific cloud platform through the IaaS provider resource management protocol. Only a small amount of corresponding IaaS provider modules are developed to quickly realize the use of the cloud platform VPC network capability Underlay high-performance network plug-in and quickly connect to different cloud platforms.

According to the updating method of the FC switch monitoring lookup table based on the LFU, the storage of the monitoring port lookup table is realized by adopting the idea of Robin Hood Hashing, and according to the strategy, a key with a longer detection distance hijacks the position of a key with a shorter detection distance when a Hash conflict occurs during insertion, so that the query performance is optimized, and the updating method is suitable for a high-performance network scene; secondly, modular design is adopted, message IDs existing in a monitoring port lookup table are stored in a grouped mode according to the access frequency through a dictionary and a double-linked list structure, and global sorting is avoided; thirdly, when the message ID stored in the monitoring port query table is full and updated, a double-layer elimination strategy is adopted, the message ID which is least recently used can be efficiently positioned, all frequencies do not need to be traversed, rapid updating is achieved, the method is suitable for a high-concurrency or large-scale FC network communication scene, and therefore the judgment efficiency of the target motion state is improved.

The invention discloses a database domain name access method and device, equipment and a storage medium. The method comprises the steps that service component topology change information of a target database in a remote direct memory access environment is obtained, and the remote direct memory access environment is deployed on a containerized application management platform; based on the business component topology change information, updating a first service binding relationship corresponding to the containerized application management platform, and determining a second service binding relationship corresponding to the containerized application management platform; and performing domain name access on the target database based on the second service binding relationship. The method can realize efficient access to the database domain name, can adapt to dynamically changing service end points in a general network environment, improves the flexibility of database domain name access, improves the stability of database connection, and reduces the operation and maintenance cost, thereby ensuring efficient and stable operation of a high-performance network, and improving the reliability of the network. And the reliability and user experience of the database system are improved.

This invention discloses a method and apparatus for accurate disturbance prediction and compensation in networked control systems. It includes treating the impact of time delay on the networked control system and external disturbances together as a lumped disturbance, and establishing an equivalent input disturbance state-space model for the networked control system. This method and apparatus target networked control systems with external disturbances, time delays, and packet loss. Through an EID estimator, it effectively reduces the impact of time delay on the performance of the networked control system. A disturbance predictor based on multiple LSTM neural networks is designed to achieve accurate multi-step disturbance prediction, improving the disturbance suppression capability of the networked control system. Furthermore, a networked predictive controller is employed to compensate for the impact of packet loss on the performance of the networked control system in real time, even with continuous packet loss, using multi-step control input prediction values. This improves the control accuracy of the networked control system and meets the requirements of high-performance networked control systems.

The invention relates to an RISC-V server network processing system and method based on DPU (Data Processing Unit) unloading. The system comprises a host comprising an RISC-V main CPU (Central Processing Unit) and a main memory, and a data processing unit DPU connected with the host through an I / O (Input / Output) bus, and completely transferring the processing function of the network data plane from the host to a data processing unit (DPU). According to the invention, the bottleneck faced by the RISC-V server during high-performance network processing in the prior art is overcome, the RISC-V main CPU can be liberated from heavy network data processing tasks, and meanwhile, the internal I / O bottleneck of a chip system (SoC) is bypassed.

The invention discloses a disturbance prediction accurate compensation method and device for a networked control system, and the method comprises the steps: taking the influence of time delay on the networked control system and the external interference of the networked control system as lumped disturbance, and building an equivalent input interference state space model of the networked control system. According to the method and the device, for the networked control system with external interference, time delay and data packet loss, the influence of the time delay on the performance of the networked control system can be effectively reduced through the EID estimator. And a disturbance predictor based on a plurality of LSTM neural networks is designed, so that multi-step accurate prediction of disturbance can be realized, and the disturbance suppression capability of the networked control system is improved. And through the networked prediction controller, the influence of packet loss on the performance of the networked control system can be compensated in real time by using a multi-step control input prediction value under the condition that the data packets are continuously lost, so that the control precision of the networked control system is improved, and the requirements of the high-performance networked control system are met.

The utility model discloses a high-performance network core switch, which comprises a switch, a groove is arranged on the switch, guide grooves are oppositely arranged on the groove, and the high-performance network core switch further comprises a clamping shell which is in sliding connection with the guide grooves through oppositely arranged guide parts; the switch is provided with a clamping groove in the sliding stroke of the clamping shell, and the clamping shell is provided with a protruding part matched with the clamping groove. When the clamping shell slides on the guide grooves to the end of the stroke, the clamping shell is clamped with the clamping grooves through the protruding parts. According to the high-performance network core switch provided by the utility model, when the heat dissipation holes have much dust, the clamping shell slides towards the outer side of the switch, so that the protruding part of the clamping shell is separated from the clamping groove until the switch is completely separated from the clamping shell through sliding, and at the moment, the clamping shell can be taken away to carry out subsequent cleaning on the heat dissipation holes in the clamping shell; according to the device, the heat dissipation holes can be independently detached in a sliding clamping mode, operation is convenient, the heat dissipation holes can be conveniently cleaned, and the cleaning efficiency is improved.

This invention discloses a high-performance network device with multi-protocol fusion, comprising an application layer, a network fusion layer, a data link layer, and a physical layer connected in sequence. The application layer is configured to perform high-speed data interaction with the network fusion layer via the AXI-Stream protocol. The network fusion layer is configured to identify and parse the input data packets, converting data frames from Interlaken, Aurora, Ethernet, and FC protocols into a unified AXI-Stream format and providing error detection flags to the upper layer. The data link layer is configured to generate, encapsulate, and encode frame structures according to the frame format requirements of different network protocols based on the standardized data stream output by the network fusion layer. The physical layer includes a high-speed SerDes module for implementing serial-to-parallel conversion. The high-performance network device with multi-protocol fusion provided by this invention significantly improves system parallelism, transmission bandwidth, and reliability, while reducing CPU processing burden and transmission latency by implementing multi-protocol fusion and a unified interface at the hardware level.

The application discloses a high-performance network acceptance system and method of a smart data center, and relates to the field of data center network testing.The system adopts a layered architecture integrating hardware and software, the hardware layer includes an acceptance control node, a test terminal node and a data acquisition probe; the core software is integrated in the acceptance control node and includes a multi-protocol adaptation index system module, a real-time analysis module and a result output module connected in sequence.The method is executed through five steps of preprocessing, protocol and index configuration, layered automatic testing, real-time analysis and closed-loop evaluation, covers three dimensions of parameter surface, sample surface and set communication, fuses active testing and passive monitoring dual-mode verification, and is compatible with IB and RoCE dual protocols and multi-vendor hardware.The application can automatically complete topology discovery, index verification, performance testing and abnormal positioning, accurately simulates smart business traffic, outputs a standardized acceptance report and optimization suggestions, and significantly improves acceptance efficiency and accuracy.

The invention discloses a differential entropy guided optical diffraction neural network layout optimization design method. The method comprises the following steps: step 1, defining an ODNN expression power index; 2, designing a Gaussian process regression model; 3, constructing an initial data set; and step 4, optimizing the flow guided by differential entropy. According to the method, the performance index of the ODNN expression ability is constructed through the differential entropy, the performance index is fused into the Bayesian optimization framework, and meanwhile, the dual requirements of performance improvement and scale simplification are balanced by adopting a dual-target combination acquisition strategy. According to the method, in a Fast-MNIST data set classification and reconstruction task, the accuracy Acc and the reconstruction quality SSIM are improved by 6.3% and 5.4% respectively, the number of high-performance layouts obtained in the optimization process is doubled, and the output layout scheme is richer; in the obtained high-performance network layout, the average number of used neurons is reduced by 34%, and the network layout is remarkably simplified.

The application discloses an end-network cooperative reliable multicast method and system, and relates to the technical field of artificial intelligence distributed computing and high-performance network communication. The application specifically comprises the following steps: a sending end analyzes a target expert set of a mixed expert model gate output, constructs a layered multicast bitmap containing a network node bitmap and a local expert bitmap, and sends the layered multicast bitmap encapsulated in a message extension header; a switching device analyzes the network node bitmap in the message extension header, performs parallel bitwise AND operation with a locally preset port bitmap mask, determines a target port set to be forwarded, and performs message replication and path pruning. The application aims to solve the problem of highly dynamic target set distribution in the mixed expert model scene through source end bitmap coding and switching hardware pruning mechanism, guarantee high reliable transmission, and significantly reduce system overhead and long tail delay.

The present application relates to a method for scheduling multiple variable paths and variable bandwidth based on a high-performance network. The method prioritizes the transmission of more urgent requests based on their priorities, and transmits more user requests within a transmission cycle. The method uses as many node-disjoint paths as possible to transmit data on the network, avoiding congestion caused by excessive load on a certain link, making more effective use of the entire network, improving overall bandwidth utilization, and increasing data transmission reliability. The method also takes into account the delay of path switching, making bandwidth scheduling more practical.

The present application discloses a standard compliance test and verification system for high-performance network audio streams, including a test detection system, and a variety of sound source distribution systems, audio jump systems, multi-form high-performance network audio stream input systems, multi-form high-performance network audio stream processing systems, multi-form high-performance network audio stream output systems, and multi-brand network switching systems that are respectively connected thereto. According to the embodiments of the present application, problems such as non-interoperability and non-openness between various high-performance network audio stream transmission protocols in the current professional audio industry field are solved, and the test and verification of standard compliance indicators such as electrical performance, network transmission, and control performance are supported for multi-brand, multi-type, and multi-form high-performance network audio stream products, improving the test efficiency.

The invention discloses a high-performance network acceptance system and method for an intelligent computing data center, and relates to the field of data center network testing. The system adopts a layered architecture integrating a hardware layer and software, wherein the hardware layer comprises an acceptance control node, a test terminal node and a data acquisition probe; the core software is integrated on an acceptance control node and comprises a multi-protocol adaptation index system module, a real-time analysis module and a result output module which are in signal connection in sequence. According to the method, five-step execution of preprocessing, protocol and index configuration, layered automatic testing, real-time analysis and closed-loop evaluation is carried out, three dimensions of a parameter surface, a sample surface and integrated communication are covered, active testing and passive monitoring dual-mode verification are fused, and IB and RoCE dual protocols and multi-manufacturer hardware are compatible. According to the invention, topology discovery, index verification, performance test and abnormity positioning can be automatically completed, intelligent calculation service flow is accurately simulated, a standardized acceptance report and optimization suggestion are output, and the acceptance efficiency and accuracy are significantly improved.

The application discloses a data query method and chip based on a distributed lookup table and cache framework, comprising: a lookup engine receiving a wide key to be queried; the lookup engine performing iterative hash calculation on the wide key to generate a digest key, and sending the digest key to a corresponding distributed storage node through a key-value network on chip; the distributed storage node locally querying a hash table item matched with the digest key; if the matching succeeds, a success response is returned to the lookup engine through a result network on chip, the response containing a wide table logical address index; if the matching fails, a failure response and iteration control information are returned to the lookup engine; the lookup engine updates the query parameters according to the iteration control information and initiates the matching query again; the lookup engine receives the wide table data segment returned through the key-value network on chip, and recombines and verifies the data segment to complete the query. The application effectively solves the technical problems of large-scale table item distribution and efficient table lookup in high-performance network switching.

The invention relates to an embedded RDMA (Remote Direct Memory Access) system and method for a multi-source sensor access scene, which can be used for encapsulating transmission data into an RDMA message format and correctly realizing hardware adaptation of RDMA in the multi-source sensor access scene. According to the invention, a software communication interface and software message analysis response processing are provided at a software side, a sensor communication interface and DDR read-write management are provided at a sensor side, and transmission control unloading is provided for an RDMA message processing logic module; the technical problems of standard compatibility, software and hardware collaboration, reliable transmission and the like existing in application of RDMA in a multi-source sensor access scene are solved, and high-performance network transmission with high bandwidth, low delay and low CPU overhead can be provided for sensing data transmission.

The present invention discloses a high-efficiency database monitoring system based on Netty in the field of data communication technology, comprising: a data acquisition unit, which is used to establish a long connection with a database by using a Netty framework, and collect database operation status information in real time by monitoring data packets of a communication protocol; a data processing unit, which is used to perform hierarchical processing on the collected data packets based on a Pipeline mechanism of Netty; a message queue unit, which is used to push processed monitoring data to a message queue; a storage and analysis unit, which is used to store the monitoring data in a distributed storage system; an alarm and notification unit, which is used to trigger an alarm according to a predefined monitoring rule and supports a variety of alarm notification methods; and a modern high-performance network programming framework (Netty) and a database operation protocol parsing technology are combined to realize real-time monitoring and dynamic management of the database operation status.

The application discloses an ASIC chip for high-performance AOIP network audio stream transmission, which internally comprises a functional analog circuit subsystem, a sensor controller, a clock and reset control module, a high-speed peripheral interface subsystem arranged on a first bus, a hardware acceleration subsystem arranged on a second bus, and a low-speed peripheral interface subsystem arranged on a third bus, the second bus being connected with the first bus and the third bus respectively, and the functional analog circuit subsystem being connected with the third bus through the sensor controller; the hardware acceleration subsystem comprises a plurality of processor cores, two gigabit or megabit media independent interfaces and a real-time transmission protocol (RTP) transceiving engine; the two gigabit or megabit media independent interfaces are compatible with simplified media independent interfaces, one of the two gigabit or megabit media independent interfaces is used as a main network interface, and the other is used as a backup network interface. The reliability of AOIP network audio stream transmission is solved.

The utility model relates to a control device, a data processing module is integrated with a central processing unit and a graphics processor and can realize complex data processing tasks based on functions of video decoding, data processing and the like, and a data transmission module can realize communication based on a high-performance network interaction function. According to the system, communication peripheral types can be used conveniently, network equipment can be managed and monitored conveniently, meanwhile, a power management unit arranged on the interface extension module and a central processing unit arranged on the data processing module are combined, power switches of the peripheral equipment can be controlled through a control port, and the power-on time sequence of the peripheral equipment and the power consumption of the whole system are managed in a centralized mode. The control equipment is very suitable for complex scenes and large-scale system applications which appear due to gradual development, and can completely meet the use requirements of current complex large-scale system integrated control.

The invention discloses a Web printing system suitable for an Android cash register terminal and a printing method of the Web printing system, which adopt a full duplex communication mode of a WebSocket over TCP (Transmission Control Protocol), remarkably reduce communication delay and server resource consumption, support efficient processing of a plurality of concurrent connections based on a high-performance network framework of Netty, realize efficient data transmission through a binary WebSocket frame and improve the printing efficiency of the Android cash register terminal. Meanwhile, protocol compatibility with printing instructions is kept, interface differences of different printer devices are shielded through a unified hardware abstraction layer, standardized ESC / POS instruction set support is provided, and it is ensured that the system can adapt to thermal printers of various brands and models.

A computationally-efficient system for encoding a message object implements instructions including determining a token of the message object. The token identifies a structure of the message object. The instructions include obtaining a dictionary definition based on the token. The dictionary definition describes the structure of the message. The message includes multiple entries. Each of the entries is characterized by a data type and a field identifier. The dictionary definition defines an order of the entries. The instructions include, according to an order specified by the dictionary definition, selecting each entry of a set of entries in the message in sequence and writing the entry to a byte queue exclusive of the data type and the field identifier. The instructions include initiating transmission of the byte queue over a communications network.

The present invention discloses a computer-implemented method of data transmission for a Network-on-Chip to allow high performance routing through dynamic allocated buffer. The method comprises the steps of transferring command or data in a form of plurality of flits from a source node to a router and further to a destination node, and transmitting the flits from the destination node back to the router, wherein the flits are packetized for transmission according to channel width and transaction width, sequence, and priority routing through physical and virtual channels.

The utility model relates to a detection monitoring device, a detection monitoring module can realize real-time monitoring of image data based on functions of video decoding, data processing and the like, a data transmission module can realize communication based on a high-performance network interaction function, and an optical fiber interface output by the data transmission module is combined with an optical fiber communication unit of an interface expansion module. And compared with communication modes such as optical cable arrangement, the transmission distance of transmitting and receiving data is obviously improved, the detection and monitoring range is effectively improved, and the requirement of long-distance detection and monitoring tasks is met.

The application relates to a multi-path fixed time slot and bandwidth reservation scheduling method based on a high-performance network. According to the reservation bandwidth condition in the network resource, the scheduling request sequence is dynamically adjusted to specify a more reasonable scheduling sequence. On the basis of the single-path reservation scheme, the double-path reservation scheme is supplemented, the number of successful request reservations is increased, the requirement for the network bandwidth is reduced, and the reservation bandwidth resource rate is increased.

The invention relates to a comprehensive display localization ruggedized computer based on dual-computer hot switching, and belongs to the technical field of computers. The ruggedized computer comprises a VPX case, a master computing processing module, a slave computing processing module, a comprehensive display module, a power supply module, a bus bottom plate, a flexible plate and an aviation plug board, the ruggedized computer supports embedding of two computing processing boards as a master computing processing module and a slave computing processing module to form a dual-computer master / slave working mode, and an external input / output device is shared through a comprehensive display module. Through a dual-computer switching mechanism, the reliability and the fault-tolerant capability of the system are remarkably improved, and the method is suitable for a high-risk environment. The extended comprehensive display function meets the requirements of complex data processing and multi-task display, and the user experience is improved; the high-performance network switching function ensures the stability and safety of communication, and is suitable for complex environments.