75 results about "QUIC" patented technology

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.

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.

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.

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 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.

A user equipment (UE) has a radio frequency (RF) transceiver and a processor coupled to the RF transceiver. The processor controls the RF transceiver to initiate establishment of a QUIC (Quick User Datagram Protocol Internet Connection) connection for each quality of service (QoS) flow of a multi-access (MA) protocol data unit (PDU) session. During the establishment of the QUIC connection, the processor controls the RF transceiver to send a QUIC packet to the network entity via a QoS flow of the MA PDU session associated with the QUIC connection. After the establishment of the QUIC connection is completed, the processor controls the RF transceiver to send all uplink traffic of the QUIC connection to the QoS flow associated with the QUIC connection.

The present disclosure provides a communication connection establishment method and device, equipment and medium, and relates to the technical field of network security. The method comprises the following steps: sending an identity authentication request to a server, the identity authentication request carrying identity information of a client and a first connection identifier, the first connection identifier being used for establishing a quick user datagram protocol internet connection (QUIC) connection between the client and the server and uniquely identifying an identifier of the client; monitoring whether a second connection identifier returned by the server is received; if the second connection identifier returned by the server is received, establishing a communication connection between the client and the server according to the second connection identifier and a QUIC protocol, the second connection identifier being a connection identifier generated by the server based on the first connection identifier, and the second connection identifier being used for establishing a QUIC connection between the client and the server and uniquely identifying an identifier of the server. The present disclosure can maintain the continuity of access between the client and the server in the case of IP address change, and improve the security in the access process.

Technologies for accelerating QUIC packet processing include a computing device having a network controller. The computing device programs the network controller with an encryption key associated with the QUIC protocol connection. The computing device may pass the QUIC packet to a network controller that encrypts a payload of the QUIC packet using the encryption key. The network controller may segment the QUIC packet into a plurality of segmented QUIC packets prior to encryption. The network controller transmits the encrypted QUIC packet to a remote host. The network controller may receive an encrypted QUIC packet from a remote host. The network controller decrypts the encrypted payload of the received QUIC packet and may evaluate an assignment function with an entropy source in the received QUIC packet and forward the received QUIC packet to a receive queue based on the assignment function. Each receive queue may be associated with a processor core. Other embodiments are described and claimed.

The invention discloses a network proxy method based on a QUIC protocol, and belongs to the technical field of computer networks. The method comprises the following steps: establishing an encrypted transmission channel based on a QUIC protocol between a client and a proxy server; intercepting a local network request of a client and redirecting the local network request to a local proxy service port; the local proxy service carries out packaging processing on the network request based on a Trojan proxy protocol to generate a proxy protocol data packet; and finally, asynchronously transmitting the data packet to a remote proxy server through the QUIC encryption channel. According to the invention, the characteristics of quick handshake, multiplexing, built-in encryption and connection migration of the QUIC protocol are fully utilized, and the lightweight packaging and verification mechanism of the Trojan protocol is combined, so that the problems of slow connection establishment, low transmission efficiency, easy interruption and insufficient security of the traditional network agent in the environments of high delay, high packet loss and unstable network are effectively solved; and the transmission performance and the user experience of the proxy service are obviously improved.

The application discloses a method for fusing a QUIC protocol link establishment process and a 5G NAS process, belongs to the field of Internet transmission protocols, and comprises the following steps: a terminal embeds a QUIC context descriptor (QCD) in a 5G NAS registration request, wherein the QCD contains a 64-bit connection identifier, a 4-bit maximum flow quantity field and a 1-bit pre-shared key request flag; an access management function on the network side analyzes the QCD and generates a KgNB key based on 5G AKA authentication, generates a QUIC pre-shared key through a key derivation function, and allocates a dynamic connection identifier list, wherein the list contains a main CID and a standby CID; a session management function issues a CID-QoS flow mapping rule to a user plane function through an N4 interface, and establishes a preconfigured QUIC connection context. The application embeds QUIC parameters in 5G NAS signaling through a terminal-side QUIC-NAS fusion module, realizes deep coupling of protocol stacks, reduces network interaction delay, quickly establishes a connection, returns the derived KgNB key to a network-side application end, and constructs a transmission layer security protection.

The invention discloses a CDN edge node collaborative optimization method and system based on a lightweight AI model, and relates to the technical field of content distribution networks. In order to solve the problems of response lag and low resource utilization rate caused by a traditional CDN static strategy, the adopted scheme comprises the following steps: collecting specified data, performing time sequence alignment, performing real-time analysis by a lightweight TCN model, and outputting a pre-cache priority list and a routing target node score table; aggregating the global state information reported by each node, and generating a global equilibrium strategy by the MARL framework through node demand similarity matching and resource negotiation in combination with the analysis result; the following actions are executed in parallel based on a global equilibrium strategy: intelligent pre-caching is executed based on a pre-caching priority list, dynamic request routing is realized in combination with a routing target node score table and a QUIC protocol, and containerized elastic resource allocation is completed through Kubernetes according to a quantitative index; and collecting execution effect data of the actions, and optimizing the MARL framework and the lightweight TCN model. The method and the device are used for high-concurrency dynamic traffic scenes.

A method and system for preventing a denial of service (DDoS) attack based on a quick UDP internet connections (QUIC). The system includes: extracting traffic features from at least traffic directed to a protected entity, wherein the traffic features represent behavior of QUIC user datagram protocol (UDP) traffic directed to the protected entity, wherein the extracted traffic features include at least one rate-based feature and at least one rate-invariant feature, and wherein the at least traffic includes QUIC packets; computing at least one baseline for each of the at least one rate-based feature and the at least one rate-invariant feature; and analyzing real-time samples of traffic directed to the protected entity to detect a deviation from each of the at least one computed baseline, wherein the deviation indicates a detected QUIC DDoS attack; and performing at least one mitigation action when the indication of the detected QUIC DDoS attack is determined.

Techniques for combining independent sessions between application(s) and a VPN, proxy service, or similar system, including inner protocol sessions (e.g., such as QUIC, etc.), coming from a single device to form a single logicalsession, where the single logical session could share a single authentication / authorization token are described. The techniques include receiving, from a device within a network, a request for a first application to access a service associated with the proxy service or the VPN, sending, to the device, a first authentication request, and receiving, from the device, a message including a token. The techniques may further include authenticating, by the proxy service or the VPN, the token using a unique identifier associated with the device and enabling, by the proxy service or the VPN, the device to access the service via a first session flow.

The invention relates to the field of XR, in particular to a communication method, related equipment and a communication system. The method comprises the following steps: an SMF network element determines whether a target service is started; when it is determined that the target service is started, the SMF network element determines a target user plane function (UPF) network element, and the target UPF network element supports a QUIC proxy or has an MoQ relay capability; the target UPF network element is used for establishing a first connection with the intermediate UPF network element; the middle UPF network element is a shunting UPF network element or an anchor point UPF network element; and the SMF network element sends first indication information to the target UPF network element, the first indication information being used for indicating the target UPF network element to identify data packet set information corresponding to the target service, and adding the data packet set information to a packet header of the second downlink data packet. By adopting the embodiment of the invention, the target UPF network element can be selected according to the triggering of the service, and the scheme is more flexible.

The application discloses a reliable communication system based on a publish-subscribe mode in a star-ground weak network environment, aiming at the problems of high round-trip delay, limited link bandwidth, high instantaneous packet loss rate, link being easily affected by shielding and switching and the like existing in the data transmission process between a low-orbit satellite and a ground station, a publish-subscribe model is introduced in an application layer to realize business logic decoupling, and is deeply fused with an underlying enhanced QUIC transmission protocol, combined with message persistence, breakpoint resuming, forward error correction and connection migration and the like mechanisms, under the condition of unstable link, quality fluctuation and communication interruption, stable, orderly, complete and safe transmission of business data can still be guaranteed, and high availability and continuity of star-ground communication tasks under a weak network condition are realized.

The application discloses a CDN edge node cooperative optimization method and system based on a lightweight AI model, and relates to the technical field of content distribution networks. In view of the problems of response lag and low resource utilization caused by the traditional CDN static strategy, the scheme comprises the following steps: collecting specified data, aligning the time sequence, and then performing real-time analysis by a lightweight TCN model to output a pre-cache priority list and a routing target node score table; aggregating the global state information reported by each node, combining the analysis results, and generating a global balanced strategy by a MARL framework through node demand similar matching and resource negotiation; based on the global balanced strategy, the following actions are performed in parallel: intelligent pre-caching based on the pre-cache priority list, dynamic request routing realized in combination with the routing target node score table and the QUIC protocol, and containerized elastic resource allocation completed through Kubernetes according to quantitative indicators; collecting the execution effect data of the foregoing actions, and optimizing the MARL framework and the lightweight TCN model. The application is used in a high-concurrency dynamic traffic scene.

The application discloses a method for obtaining resource data, an electronic device, an electronic equipment and a medium. In the application, after receiving a user access request sent by a client, whether the electronic device stores resource data corresponding to the user access request is detected. If not, a resource obtaining request is sent to an upper-layer server based on a QUIC protocol, and the resource obtaining request is used to obtain the resource data corresponding to the user access request. If a first response message sent by the upper-layer server is received, a resource obtaining request is sent to the upper-layer server based on an HTTPS or HTTP protocol, and the first response message is used to instruct an edge server to send a resource obtaining request to the upper-layer server based on the HTTPS or HTTP protocol next time.

The invention discloses a post quantum cryptography identity authentication and secure communication method for an on-orbit satellite, and belongs to the technical field of information security, and the method comprises the steps that a ground terminal generates a post quantum public and private key pair, a post quantum public key is pre-distributed to the on-orbit satellite for caching, and the post quantum private key is exclusively held by the ground terminal; qUIC connection is established between an on-orbit satellite and a ground terminal, a locally generated shared secret is packaged by using a cached post-quantum public key to obtain a packaged ciphertext, a data packet containing the packaged ciphertext is signed by using a satellite identity private key to obtain an identity authentication certificate, the identity authentication certificate is sent to the ground terminal through a QUIC handshake frame, and the ground terminal is subjected to identity authentication. The ground terminal de-encapsulates the encapsulated ciphertext by using the post-quantum private key to obtain a shared secret, verifies the identity authentication certificate by using the satellite identity public key, and takes the shared secret as a session key after the verification is passed; according to the method, the anti-quantum-attack security is realized, and meanwhile, the spaceborne calculation overhead is remarkably reduced.

The application discloses a video information processing method, relates to video transmission, and comprises the following steps: acquiring a video stream of a video conference participant and auxiliary information from a video conference system; dividing the auxiliary information into control type information and content type information; establishing a first transmission channel for the control type information independently of the video stream through a WebSocket or a QUIC protocol; establishing a second transmission channel for the content type information in association with the video stream through an SEI mechanism of a video encoder or an RTCP channel; respectively transmitting the control type information and the content type information according to the first transmission channel and the second transmission channel, and adding a sequence number and a timestamp to the transmitted information; receiving the auxiliary information at a receiving end, and performing timestamp alignment and synchronization processing on the auxiliary information and the video stream according to the sequence number and the timestamp to generate a synchronization data structure. In view of the low reliability of auxiliary information transmission under the condition that a network is unstable, the application improves the reliability of auxiliary information transmission under the condition that the network is unstable.

The application relates to a data stream transmission method, device, system, computer equipment and storage medium, which are used in a multicast gateway, and the method comprises the following steps: sending a first service request to a multicast server; joining a target multicast group according to a service response of the multicast server to the first service request, and receiving a multicast stream sent by the multicast server based on the target multicast group, wherein the multicast stream is a data stream based on a quick user datagram protocol (UDP) internet connection (QUIC) multicast protocol; performing protocol conversion on the multicast stream to obtain a unicast stream based on a QUIC unicast protocol, and sending the unicast stream to a client. The application converts the multicast stream into a unicast stream through the multicast gateway and sends the unicast stream to the client, realizes the fusion bearing of multicast and unicast, and makes the client receive a unicast stream based on the QUIC unicast protocol, so that the client does not need to be modified, and therefore the method can support a browser.

The application discloses a user request processing method, an electronic device, an electronic equipment and a medium. In the application, an edge server receives a user request sent by a client in two different protocols, a QUIC protocol and an HTTP(S) protocol; detects whether the edge server supports the QUIC protocol, if yes, sends a response message to the client based on the QUIC protocol, and does not respond to the user request based on the HTTP(S) protocol.