136 results about "QUIC" patented technology

The invention discloses a reliable communication system based on a publishing and subscribing mode in a satellite-ground weak network environment, and aims to solve the problems of high round-trip delay, limited link bandwidth, high instantaneous packet loss rate, easiness in blocking and switching influence of links and the like in a data transmission process between a low-orbit satellite and a ground station. A publishing and subscribing model is introduced into an application layer to realize service logic decoupling, deep fusion with an underlying enhanced QUIC transmission protocol is realized, and mechanisms such as message persistence, breakpoint resume, forward error correction and connection migration are combined, so that stable, orderly, complete and safe transmission of service data can still be ensured under the conditions of link instability, quality fluctuation and communication interruption, and the service data transmission efficiency is improved. And high availability and continuity of a satellite-ground communication task under a weak network condition are realized.

The invention belongs to the technical field of audio and video fusion transmission, and discloses an audio and video signal fusion transmission method and device, equipment and a medium, and the method comprises the steps: extracting 512-dimensional semantic feature vectors of an audio and a video, and generating a joint feature matrix through a cross-modal attention mechanism; calculating a fusion feature flow based on a coefficient alpha output by the scene classification model; a quantum random number generator is used for generating a session master key Kmain, the session master key Kmain is packaged into an encrypted session key Kenc through a Kyber-768 algorithm, and frame-level dynamic encryption is carried out on the fusion feature flow; and selecting a GPMI Type-B wired protocol or wireless transmission based on QUIC according to the transmission environment. According to the invention, the transmission efficiency, the anti-interference capability and the anti-quantum-attack security are improved, and multi-scene requirements are met.

The invention relates to a smart home equipment control method and system based on QUIC point-to-point communication, and belongs to the technical field of smart home control, and the control method comprises the steps: receiving a natural language instruction of a user terminal, and carrying out the analysis to obtain a target equipment identifier and an operation intention description text; retrieving a pre-constructed equipment registry according to the target equipment identifier, and obtaining a corresponding cue word template and a QUIC connection address; calling an artificial intelligence model deployed locally, and outputting a structured equipment control instruction in combination with the operation intention description text and the cue word template; performing signature encryption on the structured equipment control instruction, establishing a QUIC end-to-end encryption transmission channel between the user terminal and the target equipment, and transmitting the QUIC end-to-end encryption transmission channel to the target equipment; receiving operation response data fed back by the target equipment after the target equipment verifies and executes the structured equipment control instruction; the device registry is dynamically optimized based on the operational response data. According to the invention, the risk of cloud service privacy leakage can be reduced, and the data security of the smart home system is improved.

The invention relates to the technical field of network communication, and discloses a weak network adaptive multipath transmission method and system, and a storage medium. The method comprises the following steps: performing multi-path connectivity and quality detection on a target server, constructing a candidate set comprising a first path of a native UDP bearing QUIC, a second path of a TCP tunnel packaging QUIC and a third path of a TCP combined TLS, and performing initial selection of a main path according to the priority from high to low; periodically collecting and smoothly processing network quality indexes such as round-trip delay and packet loss rate during the connection duration; and when the monitoring data meets a preset degradation condition, reordering and switching the candidate paths in combination with a lag mechanism and a comprehensive quality scoring model. Through multi-dimensional perception and a dynamic strategy, the problem of QUIC failure caused by UDP blocking in a firewall interference or weak network environment is solved, the advantages of a QUIC protocol can be reserved to the greatest extent on the premise of not interrupting services, and the reliability and fluency of data transmission are remarkably improved.

The invention provides a Web page first screen loading acceleration method and system, a medium and equipment, and relates to the technical field of Web front-end performance optimization and network transmission, the method comprises the following steps: after obtaining a request of a user for accessing a URL (Uniform Resource Locator), analyzing an HTML (Hypertext Markup Language) and constructing a DOM (Document Object Model) tree; marking first screen resources to obtain a first screen resource list; key resources are inserted into the head of the loading queue, and non-key resources are marked as defer; if the weak network is detected, degrading the picture quality; after the CSSOM is ready, text and layout are rendered immediately, and placeholders are replaced after pictures are asynchronously loaded; when the delay is high, switching to an edge CDN node or starting a QUIC protocol; and pre-fetching resources are predicted based on user behaviors, and the pre-fetching resources are stored in a Service Worker cache. According to the method, the first screen loading time can be shortened, the maximum content drawing time is shortened, the network transmission cost is saved, and the cache utilization efficiency is improved.

The invention relates to the technical field of data transmission, and discloses a speed reducer remote monitoring and parameter configuration system, which comprises the following modules: a calculation module used for establishing QUIC protocol connection between a speed reducer terminal and a cloud server to realize communication; the speed reducer terminal collects vibration, temperature and load data, extracts a main frequency amplitude and calculates a comprehensive index of the health state of the equipment; the scheduling module is used for determining the priority of the current data for the cloud server to perform flow scheduling; the reporting module is used for calculating the size of a data aggregation window by the speed reducer terminal in combination with the smooth round-trip time and priority of the QUIC connection; a plurality of time sequence telemetering floating point values collected in the window size are converted into fixed-length binary sequences, and after the fixed-length binary sequences are spliced to form aggregated data blocks, bit compression coding is carried out, and the aggregated data blocks are reported; and the feedback module is used for realizing asynchronous feedback of an instruction execution state after the speed reducer terminal executes the instruction. According to the invention, the real-time performance of data transmission and the reliability of connection are improved.

The invention discloses a multi-level streaming media cascading and cluster scheduling system and a multi-level streaming media cascading and cluster scheduling method. The system comprises a source station node, a scheduling node, an edge node and a state bus, wherein the nodes are interconnected through QUIC protocol channels; the source station node releases an original media stream, writes metadata of the original media stream into the state bus through the cluster plug-in, and broadcasts a media stream release event to the scheduling node; the scheduling node carries out registration management and API proxy on the multi-level nodes, and carries out scheduling and switching control on the media stream service according to a subscription request of the edge node; the edge node responds to a request service of the monitoring terminal, provides a media stream service, and carries out state reporting, upstream acquisition and service switching under the control of the scheduling node; and the state bus manages the operation state of each node in a centralized manner. According to the invention, low-delay back-to-source and switching can be realized, the streaming media delay performance is improved, the resource utilization rate is improved, and centralized and efficient state synchronization is realized.

A communication method and a communication apparatus, which are used for implementing communication between a terminal and a core network by means of a unified non-3GPP access gateway, thereby reducing the complexity of network deployment. The method comprises: receiving a first message from a terminal, the first message being used for requesting authentication, connection establishment or connection release, and the first message being an internet protocol security (IPSec) message, or the first message being a quick user datagram protocol internet connection (QUIC) protocol message; and sending a second message to a control plane network element, the second message being a non-access stratum (NAS) message determined on the basis of the first message.

A computer-implemented method is provided that enables remote control of a headless browser. A message from a client to open a connection to a headless browser running on a device remote from the client is received. A command to provision the browser is sent to the headless browser. The command may configure the browser to appear as if the browser is controlled by a human. A command for controlling the headless browser is received from the client. The command is sent to the headless browser for execution. A response to the command is received from the headless browser. Finally, the response is forwarded to the client.

The invention discloses an international roaming ticket interaction method, device, equipment and medium, and relates to the technical field of communication, the method is applied to a server, and the method comprises the following steps: receiving a QUIC connection request initiated by a client and performing TLS bidirectional certificate verification to establish an encrypted transmission channel; receiving an interaction request initiated by a client, wherein the interaction request comprises a downloading request and an uploading request; packaging the target data according to the downloading request to obtain an original data packet and a redundant packet; and transmitting the original data packet and the redundant packet to the client based on the number of the current concurrent data streams. Rapid establishment of a channel is realized based on QUIC merge connection and encrypted handshake, rapid connection with zero round-trip time is realized, the connection establishment process is rapid and efficient, dynamic and efficient parallel transmission is realized through intelligent multi-stream multiplexing, small file transmission efficiency is optimized, and high real-time ticket transmission requirements are preferably met.

Methods and apparatuses are described herein for implementing multi-host multi-path secure transport using a Quick User Datagram Protocol (UDP) Connections (QUIC). A method performed by a client endpoint can involve sending, to a network node, a request to establish a QUIC connection with a destination endpoint, the request to establish the QUIC connection including a flow identifier (ID). The method can involve receiving, from the network node, a response including an indication of the request to establish the QUIC connection with the destination endpoint. The method can involve encapsulating inner QUIC packetized data within outer QUIC packetized data, the inner QUIC packetized data including the flow ID. The method can involve sending the outer QUIC packetized data to the network node for forwarding to the destination endpoint based on the flow ID.

The application discloses a user access request processing method, an electronic device, an electronic equipment and a medium. In the application, a user access request sent by a client based on an HTTPS or HTTP protocol is received; whether identification information corresponding to a QUIC protocol is contained in the user access request is detected; if yes, a first response message is sent to the client based on the HTTPS or HTTP protocol under the condition that it is determined that the QUIC protocol is supported, the first response message being used for instructing the client to send a user access request based on the QUIC protocol next time; a user access request sent by the client based on the QUIC protocol is received; a second response message is sent to the client based on the QUIC protocol, the second response message comprising resource data corresponding to the user access request.

The invention discloses an internal network proxy communication method, system and device based on a QUIC protocol, and belongs to the technical field of computer networks. The method comprises the following steps: a proxy gateway receives a client request and converts the client request into a preset format; sending to a QUIC connector deployed at a back-end server side in a stream form through the established QUIC connection; the QUIC connector forwards the request to a local back-end service through the loopback address; the response is returned along the original path. The system includes a proxy gateway, a QUIC connection, and a QUIC connector. According to the method and the device, a plurality of client requests are multiplexed into a small number of QUIC connections, and the multiplexing characteristic of the QUIC protocol is utilized, so that the occupation of the NAT table item is reduced from O (N) to O (1), the technical problem that the NAT table item is exhausted in a high-concurrency scene is solved, meanwhile, the connection processing capability of the proxy server is remarkably improved, the delay is reduced, and the system resource consumption is reduced.

The invention provides a multi-terminal cooperative transmission management method based on a QUIC protocol in intelligent education recording and broadcasting, and relates to the technical field of intelligent education, and the method comprises the steps: dividing all access terminals into a plurality of cooperative groups according to terminal types, network access modes and geographic areas, and distributing an independent bandwidth pool for each cooperative group; an independent bandwidth pool is allocated based on each collaborative group, QUIC connection of each collaborative group is monitored, an aggregation bandwidth demand is calculated and compared with a link bearing upper limit, and a slow start threshold value down-regulation instruction is generated to suppress bandwidth competition so as to obtain an adjustment result; and according to the adjustment result, performing initial transmission priority marking on different service data streams, and executing a differential retransmission control strategy in the QUIC multi-stream transmission channel. According to the invention, a complete collaborative link from access to transmission to synthesis to optimization is formed, and the full-scene demand of intelligent education recording and broadcasting is fully covered.

Techniques are described for managing QUIC connections. The techniques include identifying a first QUIC connection between a first and second device. Determining, from the connection, a first IP address and port number of the first device, a second IP address and port number of the second device, and a first CID. Storing an association between the first and second IP addresses, port numbers and first CID. Identifying a second QUIC connection between the first device and another device. Identifying, from the second connection, the first IP address and port number, a second CID, and a third IP address and port number. Determining if two of the following are met: the second IP address corresponds to the third IP address, the second port number corresponds to the third port number, the second CID corresponds to the first CID, if two are met, the first and second QUIC connections are the same.

A method and apparatus for implementing a network configuration protocol based on QUIC relates to the technical field of data communication and network, the method is applied between a network management and control entity and a network device, and comprises: setting a NoQ cushion layer between an application service layer and a QUIC layer, the NoQ cushion layer implementing mapping of a network configuration protocol message to the QUIC; a plurality of network configuration protocol sessions are bound to a QUIC connection through an NoQ cushion layer, and an independent QUIC flow is allocated to each session to realize entity multiplexing; and maintaining the binding relationship between the network configuration protocol session state and the QUIC connection state through the NoQ cushion layer to realize state management. According to the method, the technical problems of thread end blockage, long connection establishment time and difficulty in multiplexing in the prior art can be solved.

Disclosed in the present application are a registration method, a packet data gateway, a terminal device, and a storage medium. The registration method is applied to a packet data gateway (PDG). The method comprises: establishing a control plane connection with a terminal device on the basis of a Quick User-Datagram-Protocol Internet Connections (QUIC)-based control plane protocol; receiving a registration request message which is sent by the terminal device on the basis of the control plane connection, wherein the registration request message comprises identification information and a registration parameter of the terminal device; sending an authentication request message to a core network device on the basis of the identification information and the registration parameter of the terminal device; and receiving an authentication authorization message sent by the core network device, and sending a registration response message to the terminal device on the basis of the authentication authorization message.

The application discloses a detection method for a QUIC protocol denial of service attack (QDA) in a backbone network. The method can realize detection of a composite denial of service attack under the QUIC protocol. The detection method comprises an offline training stage and an online detection stage. In the offline training stage, according to the attack characteristics of the composite QDA, representative one-way traffic feature data is extracted, and corresponding feature groups are constructed. These features can effectively deal with the case that there is a large amount of one-way traffic in the backbone network node. Finally, a specific machine learning method is used for training to obtain an attack detection model. The application can be used for QDA attack behavior detection and early warning in a massive traffic scene such as a backbone network, and provides a basis for maintaining the security of the network.

The invention discloses a communication method used for a terminal, and the communication method comprises the steps: obtaining the Stream ID of a plurality of to-be-transmitted service flows; a corresponding QoS flow identification field label QFI is generated according to each of the Stream IDs, and the QoS flow identification field labels corresponding to different Stream IDs are different from each other; embedding each generated QFI into a packet data convergence protocol (PDCP) header, and generating a QUIC flow to be transmitted by using a plurality of service flows to be transmitted; sending the QFI to a core network device through an NAS (Network Attached Storage) signaling; and sending each service flow of the QUIC flow to a corresponding base station through an exclusive DRB established by the base station according to the QFI. The invention further discloses the electronic equipment.

A data transmission method is provided, where the method includes: receiving a user datagram protocol (UDP) data packet transmitted by a client; determining a target second thread from n second threads through a first thread, where the n second threads are configured for processing the UDP data packet, and the target second thread is configured for managing a QUIC connection corresponding to the UDP data packet; and transferring the UDP data packet to the target second thread through the first thread. The second threads are scheduled by the first thread, and different second threads may manage different QUIC connections, so that QUIC connections are managed through different threads. Therefore, a server can fully utilize a concurrent processing capability of a plurality of cores, which improves the efficiency of managing QUIC connections and the data transmission performance.

The present invention provides a device and method for selectively blocking network connections that use the QUIC protocol in a packet mirroring-based network environment. [Solution] The device includes a QUIC protocol detection unit that detects packets corresponding to the QUIC (Quick UDP Internet Connection) protocol among multiple packets received, a QUIC protocol analysis unit that analyzes the initial packet of the detected QUIC protocol-corresponding packet to grasp server name information, a blocking target suitability determination unit that determines whether or not to block based on the grasped server name information, and a connection blocking packet generation unit that, if determined to be a blocking target, generates and transmits a QUIC protocol connection blocking (CONNECTION_CLOSE) packet to the client and / or server.

The invention discloses a traffic data processing method and device, a storage medium, equipment and a program product, which are applied to scenes of traffic data processing, directional traffic free flow and the like. The method is applied to an end-side multi-network transmission unit in a multi-network transmission system, and comprises the following steps: when a directional traffic free function is started for a service application program, obtaining configuration information containing an IP address list and CID field division information from a multi-network transmission controller; respectively establishing a first QUIC tunnel and a second QUIC tunnel with a first gateway and a second gateway in the multi-network transmission gateway according to the configuration information and a service target of the service application program; obtaining traffic data of the service application program and carrying out traffic screening to distinguish directional traffic and non-directional traffic; the non-directional traffic is sent to the first gateway for proxy forwarding through the first QUIC tunnel, and the directional traffic is sent to the second gateway for proxy forwarding through the second QUIC tunnel, so that the problem of failure of a directional traffic flow-free function in a multi-network transmission system is solved.

Embodiments include a method of opening a Quick User Datagram Protocol (UDP) Internet Connections (QUIC) socket on a computing platform, initializing QUIC packet processing of a hardware-based offloader, opening a QUIC connection to the offloader, and transmitting a first QUIC packet to the offloader over the QUIC connection. The hardware-based offloader encrypts and transmits the QUIC packet.

Systems and methods for fast user datagram protocol Internet connectivity (QUIC) traffic steering over the N6 interface are presented. A user plane function (UPF) may receive traffic filtering information from a session management function (SMF). The traffic filtering information may include an identifier of a Fast User Datagram Protocol Internet Connection (QUIC) connection. The UPF may identify a portion of the data traffic according to traffic filtering information that includes an identifier of the QUIC connection.

The present arrangement relates to systems, methods, and non-transitory computer-readable media for traffic classification and processing. The systems, methods, and non-transitory computer readable media may include configuring, by a wireless communication device within a Fast User Datagram Protocol (UDP) Internet Connection (QUIC) network, traffic classification information in a QUIC datagram header of a QUIC datagram; and transmitting, by the wireless communication device, the QUIC data message having the traffic classification information in the QUIC data message header to an endpoint of the QUIC network.

To provide handling of datagrams with unknown identity.SOLUTION: Various aspects of the present disclose provide mechanisms for handling datagrams, such as datagrams having an unknown context ID, by a UE and / or network entity of a 3GPP network that employs Multipath QUIC (MPQUIC) functionality during a packet-data-unit (PDU) session. For example, the 3GPP network may predetermine the transport mode of datagrams transmitted within a PDU session by the network's policy control functions (PCFs) and convey the transport mode to the UE and network entities that established the PDU session.SELECTED DRAWING: Figure 3

The embodiment of the invention discloses a communication protocol architecture and a communication method applied to communication between large language models. The communication protocol architecture comprises a transmission layer, a semantic layer and a session layer, wherein the transmission layer is used for carrying out communication data transmission between large language models based on a rapid UDP internet connection QUIC and / or a hypertext transfer protocol HTTP-3; the session layer is used for session negotiation between large language models; and the semantic layer is used for converting the session negotiation result generated by the session layer into a data frame form so as to carry out information interaction between large language models through the data frame. According to the technical scheme, communication data transmission between the large language models and session negotiation between the large language models of the session layer are carried out through the transmission layer based on QUIC and / or HTTP-3, and the session negotiation result generated by the session layer is converted into the data frame through the semantic layer, so that information interaction between the large language models is carried out through the data frame; on the basis of reducing resource consumption, timely and accurate data sharing between models can be realized.

The application discloses a satellite communication-based data classification-oriented QUIC communication method and device, and a medium, which comprises the following steps: a client sends a client greeting to a server; in response to the client greeting, the server determines an encryption algorithm, a key agreement algorithm and a signature algorithm used by transmission data corresponding to each security level label, and sends a server greeting to the client; thereby completing handshaking between the client and the server; the client and the server generate and agree on a key according to the security level label; the client encrypts transmission data according to the security level label, and uploads the encrypted transmission data to the server; the server decrypts the encrypted transmission data according to the security level label, thereby completing secure transmission of the data; the client signs the transmission data according to the security level label, and uploads the signed transmission data and the security level label to the server; and the server verifies the signature according to the security level label.

Disclosed are a data processing method, an electronic device, and a computer-readable storage medium. During uplink transmission, upon receiving a first QUIC message from a client device over a target UDP port, an NGINX server sends the first QUIC message to the QUIC protocol stack, such that the QUIC protocol stack processes the first QUIC message to derive application layer data, and sends a first data stream including a first application layer data packet to an upstream server. During downlink transmission, the NGINX server receives a second data stream from the upstream server, caches a second application layer data packet included in the second data stream into a second cache, and delivers the second application layer data packet to the QUIC protocol stack for processing when the QUIC protocol stack is writable to derive a second QUIC message and sends the second QUIC message to the client device.