23 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.

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.

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 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 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 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 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 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.

The utility model relates to a high-performance network switch production device, which aims to solve the technical problem that different turntables are troublesome to replace for different circuit boards due to certain modules for placing circuit boards on a current turntable, and comprises a mounting frame, a gear motor body, a turntable and a placing structure, a mounting rack; the gear motor body is mounted at the top of the mounting frame; the turntable is connected with the outer end of a transmission shaft of the gear motor body; wherein a plurality of through holes are formed in the turntable in an annular array; the plurality of placing structures are arranged on the top side of the turntable in an annular array; wherein the placing structure comprises a connecting plate, a placing plate and a stud; the connecting plate and the placing plate are arranged on the top side of the turntable; the stud is fixedly arranged on the bottom side of the connecting plate; wherein the stud penetrates through the through hole, one end of the through hole is in threaded connection with a nut, and the circuit board placing device has the advantages that the placing plate is convenient to mount or dismount, and the corresponding placing plate is selected to be matched with the circuit board according to actual conditions.

The invention discloses a data query method and chip based on distributed table lookup and a cache framework. The method comprises the steps that a lookup engine receives a to-be-queried wide key; the lookup engine performs iterative hash calculation on the wide key to generate a summary key, and sends the summary key to the corresponding distributed storage node through the key value network-on-chip; the distributed storage node locally queries a hash table item matched with the abstract key; if the matching is successful, a success response is returned to the lookup engine through the result network-on-chip, and the response comprises a wide table logic address index; if the matching fails, returning a failure response and iteration control information to the search engine; the search engine updates query parameters according to the iteration control information and initiates matching query again; and the lookup engine receives the wide table data segment returned through the key value network-on-chip, and reconstructs and verifies the wide table data segment to complete query. The technical problems of large-scale table item issuing and efficient table look-up in high-performance network switching are effectively solved.

The utility model relates to the technical field of switches, and discloses a high-performance network switch system based on a domestic Feiteng processor, and the system comprises an SOC module which comprises a CPU and a memory controller; the network interface module comprises a plurality of interfaces, and the plurality of interfaces are connected with the CPU and are used for receiving and transmitting data packets; the data storage module is used for storing network data and configuration information and comprises a memory, an EMMC, a solid-state drive and a USB interface, information interaction between the data storage module and the CPU is achieved through the memory, an operating system is stored through the EMMC, and logs and working states of the system are stored through the solid-state drive; the power management module is used for supplying power to the SOC module and the data storage module; the heat dissipation module comprises an upper cover and a lower cover, the SOC module, the network interface module, the data storage module and the power management module are covered by the upper cover and the lower cover, heat dissipation fins are distributed on the upper cover, and heat dissipation holes are formed in the two sides of the upper cover. According to the utility model, the problems of low performance and high heat release of the switch can be solved.

The invention provides a vehicle-mounted network switching method and device, equipment and a storage medium. The method comprises the following steps: a vehicle-mounted terminal acquires and reports fusion state information used for indicating that a cross-border event occurs or is about to occur on a vehicle; the cloud control platform determines a target network operator from candidate network operators based on the information according to a multi-dimensional decision strategy; a network switching instruction is issued to the vehicle-mounted terminal; and the vehicle-mounted terminal responds to the instruction and executes operator configuration file switching operation of the embedded subscriber identity module so as to access a local network of the target network operator. The understanding is realized. The cross-border communication cost caused by dependence on international roaming of an attribution operator is systematically reduced, the vehicle-mounted service experience quality is improved by preferably selecting a local high-performance network, the potential service interruption risk is avoided, and intelligence and optimization of connection management of the Internet of Vehicles in a cross-border scene are realized.

The utility model provides a high-performance network set top box, which comprises a shell and a circuit board arranged in the shell, a power supply interface is connected with a household power supply, a network cable interface is connected with a network signal source, and the network cable interface, a signal receiver, a source filter, an A / D converter and a serial deserializer are electrically connected in sequence. The serial deserializer is electrically connected with the image definition processing module and the audio definition processing module respectively, the image definition processing module and the audio definition processing module are both electrically connected with the transmission interface, and the transmission interface is connected with a television. And the image deserialized by the serial deserializer is transmitted to the image definition processing module for decoding, frequency detection is carried out on the decoded image, and frequency compensation is carried out on the image according to a frequency detection result, so that high-definition playing of the image is realized. And the audio deserialized by the serial deserializer is transmitted to the audio clear processing module for decoding, frequency detection is carried out on the decoded audio, and frequency compensation is carried out on the audio according to a frequency detection result, so that high-definition playing of the audio is realized.

A replicated block storage service provides durable and high performance network-attached storage replicated in two or more zones of a single region, and remains available despite a single zone failure. A probe file is generated to determine a health state of a replicated disk. When a disk is degraded, a lease is created indicating which replica is trusted and providing visibility to backend jobs to facilitate reconciliation of data between the first replica and the second replica. Moreover, degraded file markers are generated for use by the backend jobs in quickly identifying the data to be copied.