23 results about "Switched mesh" patented technology

The invention relates to the field of intelligent power grids, in particular to a WAPI network communication management and control method and system for a transformer substation, and the method comprises the steps: identifying that a WAPI wireless network of the transformer substation receives an access request from a terminal side, determining the service characteristics of the terminal side, and distributing a wireless access point to the terminal; forming an upload data stream in the in-station switching network, performing firewall processing on the upload data stream in the transformer substation, and sending the processed upload data stream to the data communication network; the method comprises the following steps of: performing firewall security processing in a master station on an uploaded data stream received by a master station side, and identifying data fragment characteristics of a security data stream so as to divide the security data stream into a plurality of data sub-streams; obtaining the business operation condition of a service platform in the master station side, and transmitting the data substreams to the service platform; a wireless access point is arranged on a terminal side by utilizing a WAPI technology, a safe and reliable WAPI communication network is established on the terminal side, a site exchange network, a data communication network and a master station side, a reliable wireless communication scheme is provided for a digital service scene of a transformer substation, and safe and stable operation and maintenance of the transformer substation are realized.

The invention belongs to the technical field of electric power communication, and provides an optimal selection method and device for electric power communication dispatching telephone number allocation nodes. The optimal selection method of the electric power communication dispatching telephone number allocation node comprises the following steps: acquiring the number of outlet telephone channels, the transmission bandwidth occupancy rate, the machine room space occupancy rate and the power capacity occupancy rate of all stations in an electric power communication network; determining the adaptation degree of the site according to the number of outlet telephone channels, the transmission bandwidth occupancy rate, the machine room space occupancy rate and the power capacity occupancy rate; and preferably selecting the telephone number allocation node according to the adaptation degree. According to the invention, channel resource reloading and investment waste of the communication transmission network caused by unreasonable selection of the dispatching telephone number placing point can be avoided, and meanwhile, the safety and stability of the dispatching exchange network are also improved.

The utility model provides a hybrid power supply system which can be connected with one or more interfaces of a PoE exchange network port, a USB interface, a TypeC interface, a round head connector and a phoenix terminal, electric signals output by different interfaces are processed differently and then are input into a switch array, the switch array switches one path of electric signals into a DC / DC power supply converter within a preset time, and the DC / DC power supply converter switches the other path of electric signals into a DC / DC power supply. And the electric signal is transformed into the voltage required by the load through the DC / DC power converter. The system supports the connection of a plurality of output interfaces, and provides a plurality of power supply modes for users to select, thereby solving the problem that the terminal equipment is unavailable because the power supply voltage, the power supply protocol and the power supply interface are not matched. Moreover, the hybrid power supply system does not need to convert various power supplies into power supplies required by corresponding terminals through an intermediate-stage power converter, such as an inverter and an industrial switch, and then deploy the power supplies together to be used by the terminals, so that the problems that power supply networking is complicated, the integration level is low and no existing intermediate-stage converter needs to be customized are solved; therefore, the cost and the size of the product are reduced.

The application discloses a switching network chip, a shared cache management method, electronic equipment and a medium, and relates to the technical field of chips.The switching network chip comprises a plurality of input ports and a plurality of output ports, a shared cache and a shared cache management module connected with the plurality of input ports and the plurality of output ports, the shared cache management module is configured to write cells received through the plurality of input ports to the shared cache, and read stored cells from the shared cache to be sent through the plurality of output ports, the shared cache management module is configured to detect a cache occupation depth of each input port and a total cache usage depth of the shared cache, determine a load balancing signal based on a preset balancing threshold and the cache occupation depth, and perform load balancing adjustment according to the load balancing signal; determine a congestion adjustment signal based on a preset congestion threshold, the cache occupation depth and the total cache usage depth, and perform congestion adjustment according to the congestion adjustment signal. The application can improve the cache utilization rate of the switching network chip.

The present invention discloses a switching board, a switch and a power-on method for the switch, which relate to the field of computer technology, wherein the switching board includes: a first layer board, a second layer board, a switching network chip and at least one group of connectors, wherein the first layer board includes at least one first expansion port; the second layer board includes at least one second expansion port; the first layer board and the second layer board are plug-in connected via at least one group of connectors; the switching network chip is arranged on the first layer board, and the switching network chip is used to configure and manage at least one first expansion port, and / or, configure and manage at least one second expansion port via at least one group of connectors. Thus, through the layered design and the plug-in connection of the connectors, the problem of the limited number of expansion ports in the prior art and the inability to meet the high-capacity memory requirements of large-model reasoning applications is solved, and technical effects such as high-density expansion capability and high signal transmission efficiency are achieved.

The application relates to the technical field of computers, in particular to the field of artificial intelligence, and provides a message forwarding method and device, electronic equipment and a storage medium. The method comprises the following steps: based on forwarding information of a to-be-processed message, querying a matched address table entry in a first address table of an initial board card in a network device; in the case that no address table entry is queried in the first address table, based on the forwarding information, querying a matched address table entry in a second address table of a switching network board in the network device; in the case that the matched address table entry is queried in the second address table, forwarding the to-be-processed message through a target forwarding port in the matched address table entry. Since the switching network board of the application can also be used for address table entry query, flooding forwarding is reduced, system bandwidth is further saved, and the hardware resource utilization rate is improved.

The application provides a communication method and related device, and relates to the field of communication.In the application, a target switching network port is configured based on an Ethernet port in a first communication device, so that when a communication message is received in the target switching network port, the communication message is parsed to obtain a target address, a target network port corresponding to the target address in the target switching network port is called, and the communication message is forwarded to a target device corresponding to the target address.In other words, in the application, the forwarding operation of the communication message is performed through the target switching network port, so that the communication between the first communication devices is realized.Because the target switching network port is configured, a switch is no longer needed, the wiring between the first communication devices can be reduced, and the cost is reduced.

A service switching method, device and equipment and readable storage medium, the service switching method comprises: in each protection period, for each machine disk, when the machine disk receives multicast traffic from the backup root node as an entry machine disk, judging whether there is a machine disk receiving multicast traffic from the main root node as an entry machine disk in the distributed device; if there is a machine disk receiving multicast traffic from the main root node as an entry machine disk, the received multicast traffic from the backup root node is discarded; if there is no machine disk receiving multicast traffic from the main root node as an entry machine disk, the received multicast traffic from the backup root node is forwarded to the switching network of the distributed device. Through the present application, compared with switching based on IGP protocol to detect link state, the service switching time can be greatly shortened, and BFD for BIER is not needed, avoiding the compatibility problem of device interconnection.

The embodiment of the application provides a control method and an exchange device, relates to the field of IT technology, and the method comprises the following steps: a processing module can send test cells to an uplink management module of an exchange network, receive the test cells from a downlink management module of the exchange network, and extract the identification of an exchange network chip passed by the test cells, the link number of an uplink of the exchange network and / or the link number of a downlink of the exchange network from the received test cells, so that the fault detection of the internal hardware of the exchange network can be refined to the specified link of the exchange network, the detection accuracy of the hardware with faults is improved, and the detection period is shortened.

The invention discloses a method for realizing automatic configuration of gating parameters of time-sensitive equipment. The method comprises the following steps: (1) determining an interconnection relationship between a TSN controller and TSN switching equipment; (2) the TSN controller communicates with TSN switching devices in the TSN network, port neighbor information of the TSN switching devices is obtained, and the whole network topology of the current TSN switching network is constructed; (3) the TSN controller obtains TSN switching equipment information of the current TSN switching network; (4) the TSN controller counts the cycle time of all the traffic according to the pre-set traffic information; and (5) the TSN controller adjusts the forwarding paths of the data streams among different TSN switching devices according to the forwarding paths and the forwarding delays of the data streams among the TSN switching devices and the link transmission delays, and adjusts the gating opening and closing time. According to the invention, a network administrator does not need to manually configure the Qbv protocol gating parameters of the TSN switching equipment, the configuration workload of the network administrator is reduced, and network faults caused by abnormal configuration are reduced.

The invention discloses a service chain arrangement method. The method comprises the following steps: completing unified modeling, generation, distribution and recovery of a service chain strategy in a dynamically configured logic control plane; service nodes are directly hooked to a network plane, and flow forwarding is realized through a unified virtual exchange network bridge; a flow table engine in the control plane converts service chain configuration into a directed acyclic graph, topological sorting and rule combination optimization are carried out, flow table rules are generated, and priorities are automatically distributed; the control plane adopts a Cookie collision detection and self-adaptive redistribution algorithm based on a Bloom filter and secondary hash to generate a unique Cookie prefix for the tenant; the control plane performs incremental updating on the service chain change by adopting an incremental difference calculation and minimum updating algorithm based on an editing distance; and the control plane performs service chain path selection and load balancing by adopting a service chain path optimization algorithm based on the shortest path and load awareness. According to the method, performance, isolation and high availability can be considered in a multi-tenant environment.

The application provides a video conference security access method for IMS switching network in multiple scenes, comprising the following steps: step 1, an intelligent communication service platform is constructed based on an IP multimedia subsystem (IMS) ICT and IoT fusion architecture; step 2, an IP multimedia subsystem (IMS) network audio security access mechanism based on speech recognition (STT) and text-to-speech (TTS) is established in the intelligent communication service platform; and step 3, an IP multimedia subsystem (IMS) network image recognition mechanism based on deep learning is established in the platform. The application effectively improves the accessibility, security and user experience of the video conference and voice communication system, and realizes the security recognition function of the audio. The IP multimedia subsystem (IMS) network image recognition mechanism based on deep learning can effectively and securely recognize the accessed image.

The invention provides a flow sharing method and network equipment, and the method comprises the steps: obtaining the bandwidth values of a source line card board LPU and a destination line card board LPU, selecting the LPU corresponding to the minimum bandwidth value as a target LPU, obtaining the total number of ports between the target LPU and each switching network board, and the first number of ports between the target LPU and the target switching network board, and calculating a shared bandwidth value of the target LPU and the target switching network board by using the bandwidth value of the target LPU, the total port number and the first port number. Through the method, the shared flow of each port can be dynamically calculated.

The invention discloses a dynamic routing dial testing method and system for an intelligent dispatching telephone switching network, and relates to the technical field of power grid dispatching. The method comprises the following steps: constructing a telephone switching network routing dial test platform, and collecting site information, routing data and position information to construct a routing information base; and determining an abnormal route by executing the test path and comparing a test result with the route information base. And reordering the abnormal routes according to the importance of the routes, and carrying out repeated dialing test. And rechecking the retest data according to the set abnormal tolerance, marking the route exceeding the tolerance, and outputting an alarm signal to a display terminal and a mobile terminal to remind a worker to maintain in time. The method can improve the stability and reliability of the telephone switching network routing.

The embodiment of the application provides a message transmission method and device of a distributed separation rack (DDC) network, comprising: a first network cloud message forwarding device (NCP) receiving a first encapsulated message forwarded by a network cloud switching network device (NCF); the first encapsulated message is obtained by adding a first remote encapsulation table item to a mirror message sent by a first server through a second NCP; the first remote encapsulation table item comprises a first encapsulation identifier and a first global port in a corresponding relationship; the first NCP is configured as an exit device in the DDC network; if the first global port serving as an exit port is in a working state, the first NCP encapsulates the first encapsulated message according to the first encapsulation identifier to obtain a second encapsulated message, and sends the second encapsulated message through the first global port. In the scenario of the DDC network, a small part of NCP devices can be used as exit devices to realize the flow monitoring of the whole DDC network.

The invention provides a link control method and device, equipment, a medium and a product, and relates to the technical field of communication. The method is applied to a management unit in the network equipment, the network equipment further comprises an interface board and a first switching network board which are both connected with the management unit, the first switching network board is connected with the interface board through first links, and the method comprises the following steps: when it is detected that the number of the first links needed by the interface board is larger than the number of the first links connected to the interface board, switching the first switching network board to the interface board; when the number of the first links opened by the first switching network board is smaller than a threshold value of the number of the first links allowed to be switched by the first switching network board, a first link switching instruction is sent to the first switching network board so that the first switching network board can open other first links based on the first link switching instruction; the other first links are first links which are not opened between the interface board and the first switching network board. According to the mode, the link utilization rate of the network equipment is improved.

This application provides a switching network board, a server, and a computer cluster. The server includes at least one switching network board and at least two computing network boards, which are communicatively connected. The plane of the at least one switching network board is perpendicular to the plane of each computing network board. The at least one switching network board includes at least two recesses located on the same side of the at least one switching network board. Each recess penetrates the at least one switching network board along its thickness direction and is used to fix one computing network board. The depths of the at least two recesses are unequal. This application can utilize the redundant space of the switching network board to improve the overall internal space utilization and the rational layout of the internal space of the server.

The present invention discloses a method for enhancing real-time data transmission under a fiber channel. An enhanced real-time frame structure is introduced into the fiber channel, and data is transmitted with the highest priority according to the connection information in the enhanced real-time frame structure. Specifically, it includes the following processes. Step 1, establish clock synchronization in the FC system of the fiber channel; Step 2, set the transmission period and data size of the enhanced real-time frames in the FC system; Step 3, the FC system sets a synchronization period, uses the synchronization period as the frame header, and the information sender should calculate the frame header start point and regularly send data; Step 4, the switching network forwards N-port data in the first-class service mode and transmits data with the highest priority; Step 5, the receiver receives the data transmitted with the highest priority. By embedding the synchronous transmission technology into the asynchronous data transmission, more detailed priority and level distinctions are implemented for services, better meeting and matching the real-time transmission requirements to meet the high real-time performance in aircraft, vehicle, ship, and spaceborne electronic communication systems.

The embodiment of the invention provides a congestion monitoring method and device for a switching network board, a medium and a product, and relates to the technical field of core networks. The method comprises the following steps: acquiring a line card queue depth corresponding to a preset switching network board; and comparing the line card queue depth with a preset threshold value, and performing hierarchical management and control on the line cards corresponding to the preset switching network board. According to the scheme provided by the invention, through layered threshold triggering and state adaptive switching, the risk of overflow packet loss caused by a large message is reduced while the processing efficiency is ensured.

The invention relates to an interface board flow forwarding method and device of frame type equipment. The method comprises the following steps: when traffic is forwarded between interface boards of the frame-type equipment, a sending interface board obtains capability set information of a target interface board; the sending interface board determines sending aggregation according to the capability set information; the sending interface board forwards the traffic to the switching network board based on the aggregation; the switching network board determines target aggregation according to the capability set information of the target interface; and forwarding the traffic to the destination interface board based on the destination aggregation. According to the interface board flow forwarding method and device of the frame type equipment, the problem of packet loss when the flow is transmitted from the high-capacity set interface board to the low-capacity set interface board is solved, the bandwidth of the flow between the high-capacity set interface boards cannot be influenced, and the overall safety and efficiency are improved.

The embodiment of the invention provides a load sharing method and device, a packet switching router and a line card board, and the method can determine whether a link is in a congestion state or not for a single line card board based on the load states of an uplink port and a downlink port. The traffic of the link in the congestion state can be shunted to a plurality of shunting links from the current line card board to the destination line card board, wherein the shunting links can comprise idle links formed by idle uplink ports. Visibly, according to the embodiment of the invention, link flow distribution can be carried out on the link in the congestion state in the packet interaction router by utilizing the idle uplink port of the single line card board, so that single-board-level load sharing for the single line card board is realized; the problem of link congestion caused by uneven load between the line card board and the switching network board in the packet switching router is solved.

This application proposes a switching network congestion management method, apparatus, device, and storage medium. The method includes: obtaining the current congestion status of the switching network; adjusting the token quantity of a first type token bucket based on the current congestion status; and, upon detecting a traffic request instruction, adjusting the token quantity of a second type token bucket corresponding to the queue containing the traffic request instruction.