38 results about "Multicast address" patented technology

This invention discloses a method and system for rapid vehicle location tracking via door locks. The method includes: configuring topology information containing neighboring door lock addresses for each unit door lock based on a preset community access topology map; the resident door lock sending an IGMP join message to a preset multicast address; generating a discovery message based on the first detection of a Bluetooth tag signal by the unit door lock, and forwarding it to predicted neighbors via unicast according to the neighbor topology; the unit door lock receiving the discovery message switching its Bluetooth detection mode from low frequency to high frequency, forming a relay detection chain along the predicted path; and, based on the condition that the tag's signal strength remains stable near a certain unit door lock, generating a formal announcement multicast message, which is then forwarded by a router to the corresponding resident door lock, completing the vehicle location push. Using this invention, rapid, accurate, and low-power vehicle Bluetooth tag location can be achieved, improving the location response speed and system coordination efficiency in a community environment.

The application relates to the technical field of communication. A communication method and device are provided to provide a multicast service for a terminal device. An SMF receives a first message from a terminal, including a multicast address. The SMF sends a second message to an NRF, the second message being used for querying an SMF for establishing a multicast session for a multicast service corresponding to the multicast address. The first SMF receives a third message from the NRF, the third message being used for indicating that the SMF for establishing the multicast session for the multicast service corresponding to the multicast address is not queried. The first SMF sends a fourth message to the terminal, the fourth message being used for indicating that the terminal is rejected to join the multicast session corresponding to the multicast address. The multicast session establishment scenario and the multicast session configuration scenario are distinguished through the second message, and authorization verification can be performed on the multicast service. When the condition is not met, the NRF does not allocate an SMF to the first SMF for establishing the multicast session, thereby reasonably providing the multicast service for the terminal device.

The invention relates to the technical field of network configuration for interconnection and intercommunication, in particular to a network configuration method, system and device for interconnection and intercommunication and a medium. Determining a network topology structure and dividing a logic area; distributing a unique multicast address field for each area; deploying a self-adaptive routing protocol; distributing preset channels in the core exchange layer through quantum communication; creating an intelligent traffic sculpture engine, predicting burst traffic by using a neural network and presetting a buffer space; implementing a heterogeneous equipment compatibility strategy; constructing an annular redundant architecture; starting a block chain verification mechanism; and deploying a holographic topology monitoring system. Through intelligent linkage of a dynamic routing algorithm and an optical layer self-healing loop, business migration of regional faults can be completed within a human perception threshold, and finance transaction sensitive operation can achieve zero-interruption extreme availability.

A method comprises, at routers of a network configured to provide connectivity from a multicast receiver to edge routers multihomed to a multicast source of multicast traffic on an Ethernet segment: creating a limited flood domain for the Ethernet segment, wherein the limited flood domain includes boundary routers positioned to make a final decision as to which of the edge routers to send a multicast join for the multicast traffic; by the boundary routers, upon receiving a source announcement that announces the multicast source is active on a particular edge router of the Ethernet segment, locally storing information, provided by the source announcement, which includes a multicast address for the multicast source and identifies a link to the particular edge router; and by boundary router of the boundary routers, upon receiving the multicast join, sending the multicast join to the particular edge router using the multicast address and the link.

This invention discloses a method and system for extending parking space sharing services using door locks. The method includes: based on the pre-set multicast addresses of parking space sharing alliances for multiple owners' door locks, each door lock joins the corresponding multicast group via extended IGMP join messages; based on parking space sharing requests submitted by requesters, resource matching is triggered among the door locks in the alliance; based on the door locks in the multicast group that meet the application requirements, resource reservations are declared to the gateway via extended IGMP messages, and a unique reservation number is generated, ultimately determining the winner of providing shared parking spaces; based on the requests submitted by requesters for extended parking periods, the original shared parking space door locks are given priority in processing, and through time period splitting and recursive negotiation mechanisms, the extended time periods that cannot be covered are transformed into new sharing requests, triggering distributed negotiation and matching among other door locks in the alliance. Using this invention, decentralized parking space resource publishing and distributed negotiation can be achieved, improving the real-time performance, reliability, and system scalability of the sharing process.

This invention provides a VLAN multicast-based system and method for synchronous projection of left and right vehicle lights, relating to the fields of automotive intelligent lighting and in-vehicle communication technology. The system includes a video source, an in-vehicle Ethernet switching device, left / right area controllers, and left / right high-definition vehicle light controllers. The video source generates a single UDP multicast message containing left and right vehicle light pattern data and sends it to a preset multicast address. The in-vehicle Ethernet switching device performs hardware-level replication and forwarding of the message within an independent lighting service VLAN, enabling the left and right high-definition vehicle light controllers to receive the same message instance. Both controllers parse and extract the corresponding light pattern data and synchronously complete the light pattern refresh. This invention eliminates the time difference at the sending end of traditional UDP unicast, reduces network latency jitter through VLAN isolation, and eliminates the need for additional synchronization harnesses, time synchronization protocols, or CAN trigger signals. This limits the refresh time difference between the left and right vehicle lights to within one display cycle, achieving visually error-free synchronization.

The invention discloses a signal demodulation method and device, a storage medium and electronic equipment. The method comprises the steps that a target terminal number is determined according to a state array and a number array, the target terminal number is used for indicating a target signal processing terminal capable of demodulating a signal to be processed, and the ith element of the number array represents the terminal number of the ith signal processing terminal, the ith element of the state array represents the terminal state of the ith signal processing terminal, and i is a positive integer; and then, the target terminal number and the to-be-processed signal are sent to the multicast address, so that the target signal processing terminal demodulates the to-be-processed signal, and the signal processing terminal and the signal capturing terminal are added into the multicast group indicated by the multicast address in advance. According to the invention, the technical problem of low signal demodulation efficiency caused by non-uniform resource allocation of the signal processing terminal in the prior art is solved.

This invention discloses a method and system for secure communication between a door lock and a mobile terminal. The method includes: periodically collecting the Bluetooth signal strength of mobile terminals within the coverage area of ​​a unit door lock, dividing the signal strength into preset levels and generating corresponding connection states, then encapsulating these into IGMP join messages and sending them to a specific multicast address; upon receiving the IGMP join message, the door lock gateway registers or refreshes the unit door lock IP, connection state, and local forwarding interface corresponding to the Bluetooth address in its maintained Bluetooth address binding table; based on a voice call request initiated by an indoor extension, constructing a multicast message, forwarding it via a router network, and having the aggregation point RP transmit it in reverse along the established (S,G) table entry path according to the (S,G) multicast tree. Using this invention, a fast, accurate, and secure direct session can be established between the door lock and the mobile terminal, reducing communication latency and dependence on external networks.

This invention discloses a waveform recording method, apparatus, electronic device, and storage medium based on UDP multicast, to solve the problems of low communication efficiency, poor synchronization, and poor coordination in current smart substation waveform recording. Applied to a smart substation, the method involves multiple waveform acquisition units joined to a specified multicast address; acquiring the smart substation's SCD file and generating station-wide waveform recording mapping information accordingly; for any first waveform acquisition unit that initiates waveform recording, generating linked waveform recording information based on the station-wide waveform recording mapping information and sending it via multicast message; for each second waveform acquisition unit that receives the multicast message, if it is determined based on the multicast message that it meets the waveform recording initiation conditions, then initiating waveform recording and synchronously generating waveform recording files according to the multicast message; grouping all waveform recording files to obtain multiple waveform recording file groups; and performing waveform time stamp and boundary alignment on each waveform recording file group before merging the waveforms to obtain the station-wide waveform recording file.

The application relates to the technical field of wireless screen projection, in particular to an Airplay directional screen projection method and device, which are applied to a proxy server configured with double network cards, the proxy server is arranged between a guest network and a screen projection device network and respectively accesses the two networks; after an mDNS query packet of a user mobile phone terminal is acquired through a guest network card, a simplified mDNS response packet is replied to induce the mobile phone terminal to send a unicast query packet; the unicast query packet is forwarded to a screen projection device network multicast address, only a multicast response packet of a screen projection service bound with the mobile phone terminal is received; a service address in the response packet is modified into a guest network card IP and is fed back to the mobile phone terminal, and a NAT network channel is simultaneously established. The application solves the screen projection service discovery difficulty and the screen projection service discovery difficulty caused by VLAN isolation in a hotel and the like scene, does not need to change an existing network topology, realizes directional screen projection, the screen projection service can be flexibly arranged, adapts to different scene requirements, and has high connection stability.

The invention discloses a train network communication equipment data transmission verification method, device and equipment. The method comprises the following steps: receiving to-be-verified messages sent by to-be-tested train network communication equipment to each multicast address; reading to-be-verified data and a first verification result corresponding to each to-be-verified data from each to-be-verified message; verifying each piece of data to be verified to obtain each second verification result; and comparing the first verification result and the second verification result corresponding to each multicast address, and determining a data transmission verification result of the train network communication equipment to be tested according to each obtained comparison result. According to the invention, through introduction of a verification mechanism, data integrity is ensured, and effective verification of data transmission stability and accuracy of the train communication equipment in a complex environment is realized.

This invention discloses a trunking communication system based on a 4G wireless network, belonging to the field of trunking communication technology. It is used to start the device and select an architecture for connection, monitor the group call signal corresponding to the group information in real time, and send the group call signal to the terminal startup module. After receiving the group call signal, the terminal startup module sends the group call signal to all online devices in the group, compresses the voice data, and transmits the voice data based on the PoC protocol. Online devices monitor the multicast address in real time, obtain the call end signal, and send the call end signal to the online devices to stop voice data transmission. This invention achieves seamless switching between private and public networks through multi-network convergence technology, improving the reliability and stability of communication. By adopting the PoC protocol and utilizing 4G / 5G networks for trunking communication, communication efficiency is improved. At the same time, the optimized network transmission protocol reduces communication costs, demonstrating significant advantages in emergency communication and public safety fields.

An artificial intelligence (AI) device and an operating method thereof are provided. The AI device includes a switch chip and a plurality of AI chips. The plurality of AI chips are to collectively perform a computation task. One of the plurality of AI chips is a request initiation chip based on a communication operator of the computation task. The request initiation chip issues a reduce type request with a multicast address to the switch chip based on the communication operator. The switch chip multicasts the reduce type request to the plurality of AI chips that collectively perform the computation task. Any of the plurality of AI chips converts the multicast address to an internal memory physical address in response to the reduce type request to return target data corresponding to the internal memory physical address to the switch chip. The switch chip performs a reduce operation on the target data returned by the plurality of AI chips to generate reduced data. The switch chip returns the reduced data to the request initiation chip.

This application discloses a data transmission method, apparatus, electronic device, and storage medium, belonging to the field of data processing technology. The method includes: after configuring multicast registration information sent by the source node, copying the data to be transmitted received from the source node; modifying the source address in the header of each copied data packet to a multicast address; modifying the destination address and transport layer connection parameters in the header of each data packet to the corresponding target node's first target address and second transport layer connection information, based on the first target address and second transport layer connection information of each target node; sending each target data packet to its corresponding target node; aggregating all message packets received from all target nodes to generate an aggregated message packet; and sending the aggregated message packet to the source node. This application can reduce the resource overhead of the source node in one-to-many reliable communication and reduce the overall latency of the cluster.

The application discloses a multicast communication method applied to a multicast communication system, wherein the multicast communication system comprises a multicast source and at least one client, such as a first client; the method comprises the following steps: the multicast source determines a multicast address and a multicast key; the multicast source sends a first Bluetooth message to the first client, wherein the message comprises the multicast address and the multicast key; the first client sends a second Bluetooth message to the multicast source to indicate that the first client confirms to join a multicast group; the first client configures a source address corresponding to the multicast key as a MAC address of the multicast source; the multicast source sends a first multicast message encrypted by the multicast key through WiFi multicast, wherein a source address in a MAC header of the first multicast message is the MAC address of the multicast source, and a destination address is the multicast address; the first client listens to the first multicast message based on the multicast address; and the first client parses the first multicast message by using the multicast key. Thus, large-scale multicast transmission without WiFi connection can be realized.

This invention discloses an IPTV testing method, system, device, and computer-readable storage medium. The method includes: selecting a video source file as the test source in preset streaming media software according to current testing requirements, and configuring the protocol type, current multicast address, and current version of the Internet Group Management Protocol (IGMP) for the test source stream; connecting to the edge router under test, so that a simulated client connected to the edge router joins the multicast group corresponding to the multicast address according to the current version of the IMP; during the simulated test, adjusting one or more of the video parameters of the test source, the protocol type of the stream, and the version of the IMP, and performing test analysis on the first packet interaction between the simulated server and the edge router based on the first packet capture data. This invention achieves a more convenient, efficient, and comprehensive IPTV testing solution.

This disclosure provides a method for multicast transmission of routing messages in proximity service relays, relating to the field of communication technology. The method includes configuring a multicast Internet Protocol (IP) address; establishing a connection between UEs supporting the same relay service code and UEs relaying the same UE; and uploading mobile ad hoc network (MAN) routing messages to the multicast IP address. This disclosure, by configuring a multicast IP address in a UE-to-UE relay and establishing a connection between UEs supporting the same relay service code and UEs relaying the same UE, achieves the uploading of MAN routing messages via multicast IP addresses, solving the problem of radio traffic redundancy during routing table generation / maintenance in proximity service multi-hop UE-to-UE relay communication.

The embodiment of the invention provides a multi-terminal message pushing method based on a CoAP observation mechanism and related equipment, and belongs to the technical field of Internet of Things communication. The method is applied to a CoAP server, and comprises the following steps: in response to a message pushing instruction, determining message content and a target equipment grouping identifier; determining a corresponding observer list and a multicast address of the observer list according to the target device grouping identifier, wherein the observer list comprises terminal addresses and terminal identifiers of a plurality of terminal devices; packaging the message content into a CoAP (Coordinated Access Point) notification message; and carrying out multicast on the CoAP notification message according to the multicast address so as to push the message content to a plurality of terminal devices. According to the invention, multi-terminal message synchronism can be improved.

This invention discloses a method and system for locating vehicles in a residential community based on door locks. The method includes: according to the pairing relationship between a resident's vehicle Bluetooth tag and a smart door lock, the door lock sends an improved IGMP join message carrying the pairing tag ID to a preset multicast address; based on the Bluetooth tag announcement messages received by the router from each interface, a logically aggregated door lock neighbor group structure is obtained; based on the same Bluetooth tag announcement messages received by each interface within the neighbor group, an intra-group announcement suppression strategy is executed, and a random timer mechanism is used to select and forward messages received by a single interface to obtain a tag location announcement after suppressing redundancy; based on the announcement messages carrying the pairing tag ID received by the resident's door lock, the latest vehicle location information is updated according to the timestamp, and the final vehicle location range is pushed to the resident's mobile terminal after stabilization. Using the embodiments of this invention, accurate community-level vehicle positioning and resident association can be achieved without adding new dedicated hardware, improving the efficiency and stability of the positioning system.

The invention discloses a method and system for positioning a community vehicle based on a door lock, and the method comprises the steps: enabling the door lock to transmit an improved IGMP joining message carrying a pairing tag ID to a preset multicast address according to the pairing relation between an owner vehicle Bluetooth tag and an intelligent door lock; receiving a Bluetooth label notification message from each interface according to the router to obtain a logically aggregated door lock neighbor group structure; according to the same Bluetooth label announcement message received by each interface in the neighbor group, executing an intra-group announcement suppression strategy, and selectively forwarding the message received by a certain single interface through a random timer mechanism to obtain a label position announcement after redundancy suppression; and according to a notification message which is received by the owner door lock and carries the paired label ID, updating the latest position information of the vehicle according to the timestamp, and pushing a final vehicle position range to the owner mobile terminal after the vehicle position information is stabilized. According to the embodiment of the invention, the method can achieve the precise positioning and resident association of a community-level vehicle without adding special hardware, and improves the efficiency and stability of a positioning system.

The invention provides intelligent wearable equipment and a voice lamp control dimming method and system thereof, and belongs to the technical field of light control. According to the method, intelligent wearable equipment serves as a Bluetooth Mesh network master control node, a unicast address and / or a multicast address are / is configured for each photography lamp with a unique equipment identifier to achieve multi-lamp networking, single-lamp precise control is supported, the multi-lamp cooperative regulation and control requirement can be met, and the light distribution requirement of a complex shooting scene is met. Meanwhile, the relative distance between the photography lamp and the user is estimated by scanning the Bluetooth signal intensity, the target photography lamp is determined by combining the user instruction extracted through voice recognition and semantic analysis, the user does not need to memorize the lamp number or position association relation, the target can be accurately positioned through natural language description, the operation threshold and the dimming error can be reduced, and the user experience is improved. The reliability and timeliness of dimming operation are ensured, and the light regulation and control experience in a shooting scene is greatly optimized.

This invention provides a distributed IoT system with fiber optic networking and its device registration method. The system includes a host computer, a switch, and IoT terminal devices. The switch is connected to the host computer. Each IoT terminal device is equipped with two fiber optic interfaces. The IoT terminal devices are connected to the backbone network in a daisy-chain manner through the fiber optic interfaces, enabling bidirectional data communication along the cascaded path of the IoT terminal devices. Each device joins a unified multicast via a distributed soft bus component. The host computer sends multicast messages to all IoT terminal devices in the system via the CoAP protocol or sends messages to specific IoT terminal devices based on their IP addresses. The IoT terminal devices identify the destination address carried in the messages and parse and respond to messages whose destination address is their own IP address or the multicast address. This invention uses a daisy-chain fiber optic connection to form a mesh network system between the terminals and the host computer system, allowing each node to communicate with each other at high speed and low latency.

The invention relates to a method for optimizing the broadcast of multicast content within a communication network implementing a plurality of network slices, the method comprising:-receiving (11), from a terminal, a signaling message representing a request to attach the terminal to a multicast group associated with the broadcast of a multicast stream, the message comprising a multicast address identifying the multicast group, and a network slice identifier representing that the terminal preferentially is used for routing candidate network slices of the multicast stream; -obtaining (12) an identifier of a target network slice for routing the multicast flow based on the candidate network slice identifier and data representative of the current state of the communication network; -connecting (13) the terminal to a distribution tree deployed in the target network slice for distributing the multicast stream.

A method for managing at least one communication network, including a first network including a mobility management entity. The method includes broadcasting, on a multicast IP address, an announcement message carrying an identifier of the mobility management entity; and receiving at least one attachment message from at least one entity for coordinating the broadcast in the first network or at least a second network of the at least one communication network, carrying an identifier of the broadcast coordination entity sending the attachment message.

This invention discloses a shopping method and system based on the collaboration between door locks and unmanned supermarkets. The method includes: generating an improved multicast join message based on the shopping list information entered by the homeowner on the smart door lock, and sending it to a preset multicast address to complete multicast registration; based on the event triggered by the authorized user's facial recognition upon arrival at the unmanned supermarket, the supermarket door lock generates a verification request message and sends it via multicast to complete identity verification and unlock the supermarket door; based on the payment request triggered after the authorized user selects goods, the payment machine generates a payment confirmation message and sends it via multicast to trigger the homeowner's confirmation interface; based on the homeowner's payment confirmation, the door lock collects the payment QR code and sends it to the payment machine; after payment is completed, the door lock sends a multicast leave message to end the shopping process. Using this invention, flexible collaboration between door locks and supermarket systems can be achieved, solving the problems of convenient shopping and security management in offline scenarios.

In an overlay network, a network device can join a multicast group in an underlay network of the overlay network. Here, a gateway IP address can be allocated to a plurality of gateways of the overlay network. Furthermore, the multicast group can be associated with a multicast IP address and can include the plurality of gateways. The network device can then receive, from a client device, a packet with the gateway IP address as a destination address. The network device can then encapsulate the packet with an encapsulation header with the multicast IP address as a destination address. Subsequently, the network device can forward the encapsulated packet via a multicast tree in the underlay network.

Method for operating a lighting device (100) for a motor vehicle, comprising a plurality of lighting units (3), a data bus (2) and a control unit (1), wherein the lighting units (3) can each emit light with variable characteristics and are coupled to the data bus (2), via which the control unit (1) can address the lighting units (3) using unicast addresses (UA) and multicast addresses (MA), wherein each individual lighting unit (3) is assigned a unicast address (UA) and a set of multicast addresses (MA) is specified, each of which can be assigned to several lighting units (3) in order to address the several lighting units (3) simultaneously, wherein the characteristic of the emitted light of the lighting units (3) is repeatedly set in successive cycles (FRn-1, FRn) and in each cycle (FRn) preceded by a cycle (FRn-1),The following steps must be performed: , a) the lighting units (3) are divided into groups (G0, G1, G2, G3) by means of the control device (1) in such a way that the lighting units (3) which are to emit light with the same characteristics in the respective cycle (FRn) are assigned to the same group (G0, G1, G2, G3), thereby obtaining current groups (G0, G1, G2, G3) for the respective cycle (FRn); b) If the group classification in the respective cycle (FRn) changes compared to the group classification in the previous cycle (FRn-1), the control unit (1) determines an evaluation measure (BM) for each combination of the current group (G0, G1, G2, G3) and the old group (G0', G1', G2', G3') determined in the previous cycle (FRn-1). This measure is larger the greater the number of matching luminaire units (3) between the current group (G0, G1, G2, G3) and the old group (G0', G1', G2', G3') of the respective combination, and smaller the greater the number of matching luminaire units (3) between the current group (G0, G1, G2, G3) of the respective combination and the old groups (G0', G1', G2', G3') not belonging to the respective combination. old group (G0, G1, G2, G3) of the respective combination and the current one,Groups not belonging to the respective combination (G0, G1, G2, G3) are included; , c) Multicast addresses (MA) of the old groups (G0', G1', G2', G3') are assigned to the current groups (G0, G1, G2, G3) by means of the control device (1) by assigning the multicast address (MA) of a respective old group (G0', G1', G2', G3') to the current group (G0, G1, G2, G3) the combination of current group (G0, G1, G2, G3) and respective old group (G0', G1', G2', G3') with the highest weighting factor (BM), if the current group (G0, G1, G2, G3) has not yet been assigned a multicast address (MA) in the respective cycle (FRn), otherwise the multicast address (MA) of the respective old group (G0', G1', G2', G3') is assigned to another current group (G0, G1, G2, G3) that has not yet been assigned a multicast address (MA). assigned multicast address (MA), whereby the current groups (G0, G1, G2, G3) which have not yet received a multicast address (MA) after the assignment of the multicast addresses (MA) of all old groups (G0', G1', G2', G3'),Each unassigned multicast address (MA) is assigned from the given set of multicast addresses (MA); d) by means of the control unit (1) one or more grouping messages (GN) in the form of unicast and / or multicast messages are sent via the data bus (2) to the lighting units (3), with which the lighting units (3) receive the multicast addresses (MA) of the current groups (G0, G1, G2, G3) according to their assignment to the current groups (G0, G1, G2, G3); e) By means of the control device (1) a control message (SN) in the form of a multicast message is sent via the data bus (2) for each current group (G0, G1, G2, G3), which includes the multicast address (MA) of the respective current group (G0, G1, G2, G3) and a parameter value (FW) for setting the characteristic of the emitted light of the lighting units (3) of the respective current group (G0, G1, G2, G3), whereupon the lighting units (3) of the respective current group (G0, G1, G2, G3) emit light with this characteristic.

The embodiment of the invention discloses a subway differential content playing method and device based on multichannel multicast, and the method comprises the steps: configuring a plurality of independent logic playing channels based on an existing PIS of a subway, and building a video resource library with video source file parameter information; establishing a playing plan and a workflow comprising a default playing list and a plurality of timing playing lists associated with time windows for the logic playing channel based on the video resource library, and matching the time windows according to a preset period to determine an activated playing list needing to be played currently, and pushing the video file in the activated playing list to a UDP multicast address corresponding to the logic playing channel, thereby realizing the playing of differentiated contents in different subway areas at the same or different time. According to the embodiment of the invention, multi-region and time-phased accurate delivery of subway advertisement content is realized, the problems of single content and inconvenient switching of a traditional PIS system are solved, and the advertisement delivery accuracy and the commercial value of the PIS system are remarkably improved.

The application discloses a method and system for cooperation between a door lock and multiple assistants, and the method comprises the following steps: according to the operation of selecting an assistant and inputting shopping requirements of multiple entrusters on respective door locks, generating an entrust request message, and establishing an entrust relationship between the entrusters and the assistants; according to the established entrust relationship, the door lock of the entruster sends an improved multicast joining message to a preset multicast address; according to an event triggered by the assistant by face recognition in a unmanned store, the store door lock sends a list request message, the router performs hierarchical aggregation on shopping lists of the multiple entrusters according to a biological feature matching result, generates an aggregated shopping list PIM message and forwards the message to a store system; and according to the aggregated shopping list provided by the store system, the assistant completes the selection and purchase of goods, and each entruster confirms and completes payment. By using the embodiment of the application, the whole process automation from entrust establishment to automatic list aggregation and distributed payment can be realized, and the efficiency and convenience of collaborative shopping of multiple people are improved.

The invention discloses a switch test method, which comprises the following steps of: generating a switch configuration file according to a test requirement, and configuring a tested switch according to the switch configuration file; wherein the switch configuration file comprises a multicast address forwarding table used for configuring a target forwarding path of test traffic, and the target forwarding path comprises a plurality of target forwarding ports and a destination address; sending the switch configuration file to a network test instrument, so that the network test instrument generates test flow according to the switch configuration file; in each test scene in a preset test scene set, controlling the network test instrument to send the test flow through the target forwarding path according to a preset flow sending rule; recording the actual forwarding condition of the test flow, generating a forwarding condition statistical table, and generating a test report according to the forwarding condition statistical table; according to the invention, the effectiveness and efficiency of the test can be obviously improved, the accurate positioning of the fault is realized, and the safe operation of the network is ensured.