76 results about "QUIC" patented technology

The invention discloses a QUIC-based Kubernetes cloud side communication system and a method thereof, and the system comprises a cloud message management assembly and an edge message management assembly, the cloud message management assembly comprises a cloud QUIC protocol library module and a plurality of cloud message processing plug-ins, and the edge message management assembly comprises an edge QUIC protocol library module and a plurality of edge service agent modules; each cloud message processing plug-in packages a request monitored and obtained by the cloud message processing plug-in into a Protobuf format and forwards the request to a cloud QUIC protocol library module, and the cloud QUIC protocol library module sends the request to a corresponding QUIC channel; and the edge QUIC protocol library module receives the message from the QUIC channel, analyzes the message and forwards the message to the corresponding edge service agent module, the edge service agent module completes an intranet request and packages a response into a Protobuf format to be sent back to the cloud, and cloud unified scheduling management of a management plane and a service plane can be realized.

The invention belongs to the field of cloud computing and edge computing, and discloses a cloud edge service access method and system based on a QUIC protocol. According to the system, an edge gateway and a tunnel server are arranged at the cloud, wherein the edge gateway supports a user-defined load balancing strategy, each edge node is provided with a service flow component, and therefore, a QUIC connection is created when the edge node is started, thereby creating a data channel for accessing the edge end service from the cloud. According to the method, the function of accessing the edge service by the cloud is realized, a user in a public network can access the edge service in an intranet through the cloud, the method still has good performance in an edge side weak network environment, the loading service performance can be effectively improved, and the network stability is improved.

A server comprising a processor, the processor being configured to receive a network connection establishment request to establish a Transmission Control Protocol, TCP, connection or a user datagram protocol, UDP, connection from a network user equipment, UE; analyze the network connection establishment request to extract TCP initial sequence numbers, ISNs, or a quick user datagram protocol, QU1C,connection identifier, ID; and send a message comprising the QUIC connection ID or at least one of the TCP ISNs to a Quality of Experience helper node, QoEHN, with instructions to control the TCP connection or the UDP connection between the server and the network UE.

The invention discloses a QUIC data transmission method and device, and the method comprises the following steps: a transmitting device generates a QUIC message with negotiation data, application data in the QUIC message is not encrypted, and other fields are encrypted; and a ciphertext block is added to the head of the QUIC message to indicate an encryption length; then handshake communication is established between the sending device and the receiving device, and unencrypted data transmission is started; and after receiving the QUIC message, the receiving equipment judges a first frame type at first, and then analyzes the length of an encryption block to obtain an original message. The method has the advantages that a scheme for safely transmitting the application data without encryption by using the QUIC is provided, the transmission efficiency can be improved, resources are saved, and the security is ensured.

The invention provides a multi-stream transmission control method based on a QUIC protocol, and the method comprises the steps: enabling a client to build a control channel, transmitting the bandwidth, time delay and packet loss rate information of a network card of equipment to a server, and building a multi-sub-stream transmission service; segmenting client user program data, distributing a unique identifier to each segmented data segment, issuing the unique identifiers to each sub-stream for transmission, recombining data according to the unique identifiers after a server receives the datasegments through a plurality of sub-streams, and delivering the recombined data to an upper-layer application to complete a multi-stream transmission task; aggregating bandwidths of a plurality of network cards according to different characteristics of user services so as to provide larger throughput bandwidths for users; selecting the substreams with smaller transmission time delay for data transmission, and redundantly transmitting the same service through the plurality of substreams at the same time, so the transmission quality is improved; moreover, the connection substreams can be dynamically added and deleted according to the network access condition of each piece of equipment and the user requirements, so that the network transmission quality of the user in a high-frequency mobile environment is improved.

The invention discloses a method and device for determining the quality of a transmission link, which can determine the quality of the transmission link. A receiving end receives at least one QUIC data packet and a characteristic value of a load in each QUIC data packet sent by a sending end through a current transmission link, then a characteristic value of a load in each QUIC data packet in theat least one received QUIC data packet is determined, according to the received characteristic value of the load in each QUIC data packet and the characteristic value of the load in each QUIC data packet sent by the sending end, a target data packet in the QUIC data packets sent by the sending end is determined, so that the data packet of which the characteristic value of the load is the same as the characteristic value of the load in one QUIC data packet in the at least one QUIC data packet is determined, and thus the receiving end can determine the link quality parameter of the current transmission link and determine the quality of the current transmission link according to the parameter of the target data packet.

The invention provides a data encryption transmission method and proxy server transmission of data based on a QUIC protocol. The method comprises the steps: receiving a TCP data request packet sent by a client for accessing a WEB application for the first time, and forwarding the TCP data request packet to a server; receiving a first data response packet and a config packaged data packet returned by the server, adding QUIC information into the first data response packet to generate a second data response packet, and forwarding the config packaged data packet and the second data response packet to the client; receiving first service data encrypted by the first communication public key and the first symmetric key and sent by the client, and forwarding the first service data to the server; and receiving second service data encrypted by the second communication public key and the second symmetric key and sent by the server, and forwarding the second service data to the client. The invention further provides a data encryption transmission device, electronic equipment and a readable storage medium.

The embodiment of the invention provides a connection control method based on a QUIC protocol. The connection control method comprises the steps receiving a QUIC connection request of an opposite end;analyzing the QUIC connection request to obtain equipment identification information of the opposite terminal; querying a target historical record of the opposite terminal according to the equipmentidentification information; if the target historical record is inquired, adjusting transmission parameters according to the target historical record; establishing QUIC connection with the opposite terminal based on the adjusted transmission parameters; and controlling the connection state of the QUIC connection according to the adjusted transmission parameters. According to the technical scheme provided by the embodiment of the invention, the connection state of the target connection is controlled based on the adjusted transmission parameters, so that the effective control of the connection state of the target connection is ensured, and the problems of resource waste and data dislocation possibly caused by controlling the target connection through the negotiated transmission parameters areavoided.

A computer implemented method for determining the identity of an Over-the Top (OTT) application or service being accessed over the Internet from a HTTP, HTTPS or QUIC connection request received in a network monitoring device. Determine if one or more entries are present in the received connection request have an IP address that matches a known server IP address. A determination is then made as to whether if the received connection request is one of a HTTP, HTTPS or QUIC connection request, and if this cannot be determined than determine if a subject field in the received connection request is available. And determine if a candidate domain name is available from IP cache created from one or more of the above steps if a subject field is not available in the received connection request. Identify and categorize OTT applications associated with the received connection request if it is determined: the connection is either a HTTP, HTTPS or QUIC connection type; a subject field is available; or a candidate domain name is available utilizing a lookup table that is periodically updated with new OTT applications.

The invention discloses a QUIC traffic classification method based on multi-modal deep learning, which comprises the following steps: S1, preprocessing QUIC traffic, carrying out shunting processing on the QUIC traffic to be classified to obtain bidirectional flow samples, and extracting flow statistical characteristics and flow payloads of the bidirectional flow samples, S2, converting the flow payloads into images, extracting fields of the flow payloads, converting the fields into grey-scale map samples, and S3, classifying the grey-scale map samples; the invention relates to the technical field of network communication and machine learning. According to the QUIC flow classification method based on multi-modal deep learning, the flow statistics characteristics and the time sequence characteristics of the network flow can express the time structure relation of the whole flow message, and the effective load of the flow can express the content characteristics of each message; the two different emphasis dimensions of the whole and details are embodied in the traffic features. The isomerism of the two different traffic information modes can be utilized, and the traffic features can be better restored.

The invention discloses a QUIC-based data transmission control method, system and device, and belongs to the technical field of communication, and the method comprises the following steps: S1, a QUIC proxy server obtains a model according to wireless link state information fed back by a wireless access point by adopting a pre-constructed optimal ACK sending frequency, and sends the optimal ACK sending frequency to a wireless access point; the optimal ACK sending frequency corresponding to the wireless link state information fed back by the wireless access point is obtained; s2, after the QUIC proxy server writes the reciprocal of the optimal ACK sending frequency into a corresponding byte bit of an ACKFREQUENCY frame of the QUIC, the ACKFREQUENCY frame is sent to the terminal equipment; s3, after the terminal equipment receives the ACKFREQUENCY frame, the ACK frame is sent to the content server according to a rule specified by the ACKFREQUENCY frame; s4, after receiving the ACK frame, the content server starts a Packing function in the QUIC connection to send service data to the terminal equipment; according to the invention, the optimal ACK sending frequency can be adaptively selected according to the wireless link state information, and the communication overhead is greatly reduced on the premise of ensuring the throughput.

A method and system for preventing denial of service (DDoS) attacks based on fast UDP Internet Connection (QUIC). The system includes a traffic feature extracted from at least traffic directed to a protected entity, where the traffic feature represents a behavior of QUIC User Datagram Protocol (UDP) traffic directed to the protected entity, where the extracted traffic feature includes at least one rate-based feature and at least one rate-invariant feature, and wherein the at least traffic comprises a QUIC packet; calculating 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 calculated baseline, wherein the deviation is indicative of a detected QUIC DDoS attack; and performing at least one mitigation action when an indication of the detected QUIC DDoS attack is determined.

The invention provides a connection establishment method, device and system and electronic equipment, and relates to the technical field of communication. The method comprises the following steps: receiving, by a target server, a connection request sent by a client based on a QUIC protocol, wherein the connection request comprises a domain name of the client; searching a digital certificate corresponding to the domain name in the local cache data; when the digital certificate corresponding to the domain name is not found in the local cache data, performing packet loss processing on the connection request, and obtaining the digital certificate corresponding to the domain name from the relay server; receiving a connection request sent by the client again; and establishing connection with the client based on the digital certificate. According to the invention, the certificate operation and maintenance cost can be reduced, and the success rate of establishing the QUIC protocol-based connection between the server and the client is effectively improved.

The embodiment of the invention discloses a client, a message sending method, a message receiving method, equipment and a storage medium. The client comprises a TUN virtual network device which is used for reading or writing an original internet protocol (IP) message; and the QUIC tunnel processing module is used for encapsulating or de-encapsulating the original IP message by using a rapid UDP (User Datagram Protocol) network connection QUIC protocol, and sending or receiving the encapsulated original IP message. According to the technical scheme provided by the embodiment of the invention, the original IP message is packaged and transmitted by using the QUIC protocol, so that the rapid and stable transmission of the original IP message is realized.

The invention provides a media stream transmission method used in user equipment, and the method comprises the steps: obtaining a uniform resource identifier used for accessing an RTMP server; determining whether the uniform resource identifier carries a QUIC identifier or not; and responding to the QUIC identifier carried by the uniform resource identifier, establishing a QUIC connection based on a QUIC transmission protocol with the RTMP server, and establishing a target RTMP connection based on the QUIC connection. In the application, the QUIC connection is established based on the uniform resource identifier carrying the QUIC identifier, and the target RTMP connection based on the QUIC connection is established, so that the RTMP data packet is packaged into the QUIC data packet, and the data is transmitted through the QUIC connection, thereby improving the real-time performance of transmission.