213 results about "Transmission Control Protocol" patented technology

The invention discloses a millimeter wave radar meteorological target detection method based on deep learning, and relates to the technical field of meteorological radar processing. The method comprises the following steps: acquiring a millimeter wave radar original signal by using a transmission control protocol for preprocessing; the distance and the angle between an object and an antenna are measured through a millimeter wave radar, so that three-dimensional space coordinates of the measured object are obtained; converting the three-dimensional space coordinates through time alignment and a space coordinate system, and projecting the three-dimensional space coordinates into a visual coordinate system; pre-training a feature extractor, analyzing a data label by using ECMWF, and then performing end-to-end fine tuning; and automatically optimizing the detection threshold according to the signal-to-noise ratio, and outputting target meteorological classification, meteorological intensity and meteorological motion prediction. According to the method, the detection threshold is automatically optimized according to the signal-to-noise ratio, target classification, intensity estimation and motion vector prediction are output, weather weak signal leak detection is avoided, and the target tracking capability and the extreme weather generalization capability are improved.

The invention provides an nginx monitoring index scheme of a message queue. The method belongs to the technical field of web performance monitoring. According to the scheme, the method comprises the steps that Filebeat serves as a log collector and is deployed on an Nginx server, and access logs and error logs of the Nginx are captured in real time; the Filebeat encapsulates the collected log data into a message, and pushes the message to a Kafka message queue through a TCP (Transmission Control Protocol); the consumer pulls the log message from the Kafka, and analyzes and processes the Nginx access log in the message; and through an intelligent aggregation algorithm, performing aggregation processing on the Request-URLs with the same service meaning, and summarizing the Request-URLs as a monitoring index set. Nginx logs are captured in real time through Filebeat and quickly pushed to Kafka, and it is ensured that a monitoring system can respond to changes in the logs in time.

The invention relates to the technical field of Internet information, in particular to an Internet service provider-oriented encrypted multimedia traffic classification method and device.The method comprises the steps of capturing statistical characteristics, time sequence characteristics and original byte domains of target encrypted traffic to construct a multi-domain characteristic data set; simulating transmission control protocol behaviors in real network transmission according to the multi-domain feature data set to generate an enhanced data set containing transmission control protocol semantics; inputting the enhanced data set containing the transmission control protocol semantics into a pre-constructed hybrid fusion model so as to respectively extract a feature vector of each domain; and integrating the weight of the feature vector of each domain by using maximum likelihood estimation to determine the category of the target encrypted traffic. Therefore, the problems that an existing Internet traffic classification method mostly depends on single-dimensional features for classification, but the use of the single-dimensional features causes that an existing classification model cannot comprehensively capture traffic features, and the improvement of classification precision is limited are solved.

There is provided an apparatus, method, and computer program for transmitting, to a first roaming intermediary, a hypertext transfer protocol connect request of establishing a transmission control protocol connection between the first roaming intermediary and a peer apparatus, wherein the transmission control protocol connection is used for establishing an inter-public-land-mobile-network signaling connection between the apparatus and the peer apparatus via the first roaming intermediary; and receiving, from the first roaming intermediary, a hypertext transfer protocol connect response comprising response information which indicates whether the transmission control protocol connection towards the peer apparatus is established; wherein the hypertext transfer protocol connect request comprises information indicating the peer apparatus, and wherein the hypertext transfer protocol connect request comprises a header comprising at least one of: information indicating the apparatus; information describing a purpose of establishing the transmission control protocol connection; information describing the inter-public- land-mobile-network signaling connection being established by using the transmission control protocol connection; or information controlling forwarding or origination of messages by the first roaming intermediary towards the apparatus or the peer apparatus.

The invention discloses a cross-local area network equipment interaction method and system, a terminal and a storage medium, and relates to the technical field of communication, and the method comprises the steps: building transmission control protocol connection with connection application equipment through a cloud server, and obtaining identification information sent by the connection application equipment; storing the identification information in a device connection table, and searching the identification information of the to-be-connected device matched with the identification information of the connection application device in the device connection table; and if the identification information of the to-be-connected device is found, the cloud server realizes interaction between the connection application device and the to-be-connected device according to the connection application device and the identification information corresponding to the to-be-connected device. According to the invention, the transmission control protocol connection is established between the cloud server with the public network address and the local area network equipment, and the cloud server is used as a transit to realize the interaction between the local area network equipment; therefore, the problem that the security of data transmission is difficult to guarantee while the shortage of the current public network internet protocol address is solved in the prior art can be effectively solved.

The invention discloses a method and a system for identifying general overseas VPN (Virtual Private Network) proxy traffic based on a TCP (Transmission Control Protocol). The method comprises the following steps: S1, carrying out switch TCP traffic mirroring and session SYN related time delay calculation; s2, performing hash table interaction and time delay calculation under downlink message load distinguishing; s3, on the basis of judgment of the time delay # imgabs0 # and a threshold value D, counting and logic insertion are carried out on the HashVPS hash table; s4, periodically triggering HashVPS traversal and VPS proxy service affirmation in a timing manner; the system is suitable for the general overseas VPN proxy traffic identification method based on the TCP protocol. Aiming at various TCP transmission VPN protocols, the method breaks through conventional identification limitation, is not afraid of encryption, disguising and mining proxy traffic characteristic differences, constructs a complete identification closed loop, accurately screens out proxy traffic, and builds a network security defense line.

The invention discloses a remote intelligent control system for multimedia equipment and an implementation method thereof, and belongs to the technical field of network communication, and the implementation method comprises the following steps: acquiring network environment information of the multimedia equipment, judging an NAT (Network Address Translation) type, and generating a mixed penetration protocol selection rule to determine an initial penetration protocol; the method comprises the following steps: acquiring port allocation characteristics of NAT equipment based on an initial penetration protocol, generating port prediction parameters through linear increment prediction and LSTM neural network training, and formulating a port prediction and keep-alive strategy; executing UDP (User Datagram Protocol) penetration according to a keep-alive strategy, starting a TCP (Transmission Control Protocol) standby mechanism when the UDP penetration fails, and generating a penetration scheme by combining HTTP tunnel encapsulation and firewall inbound rule configuration; equipment identification information collection, signaling interaction, penetration attempt and connection establishment are completed based on a penetration scheme, successful feedback is generated after verification is passed, and remote control is realized; according to the invention, the stability and efficiency of remote connection of the multimedia equipment in a complex network environment are improved.

The invention discloses a multi-path health degree determination method and device, electronic equipment and a storage medium, and relates to the technical field of network transmission, and the method comprises the steps: building a multi-path session based on a multi-path transmission control protocol, the health degree of the multiple paths is evaluated by comprehensively considering standardized index values and dimension weights of the multiple network paths under different index dimensions, the technical problem that the data transmission efficiency is not high due to the fact that the health state of the multiple paths cannot be accurately judged is solved, and the purposes of accurately judging the health state of the multiple paths and improving the data transmission efficiency are achieved. And the data transmission efficiency is improved.

The technology described herein is directed towards a transcoder device (node) that leverages multipath routing techniques using both terrestrial and satellite links simultaneously. The transcoder device implements the multipath transmission control protocol (MPTCP) along with metasurfaces, such as to support satellite, ethernet, Wi-Fi, and new radio (e.g., 5G) interfaces. The transcoder can decode and reencode data packets at the packet level to facilitate communication between user equipment (UEs) and existing Satcom satellites. A metasurface redirects signals from the satellite to a satellite radio frequency (RF) interface of the transcoder, with the transcoder also coupled by a UE RF interface to a UE, such as a computing device or cellphone. For direct-to-device communications, transcoder conversion is bypassed. Various additional functions facilitate such satellite service, including via frequency conversion, doppler manipulation, a repeater, and frequency equalization / negative-slope compensation.

The invention relates to the technical field of network transmission, in particular to a parallel coding and decoding method based on a multi-channel network TCP-UDP (Transmission Control Protocol-User Datagram Protocol). According to the invention, by constructing a multi-path parallel transmission mechanism of a transmission control protocol and a user datagram protocol, the transmission performance of each path can be dynamically evaluated and quantified according to the round-trip time and packet loss rate of the path at the beginning of session establishment, and the initial data distribution proportion is scientifically calculated, so that the initial optimization utilization of network bandwidth resources is realized; in the data transmission process, the actual sending rhythm and the bandwidth utilization condition of each link are continuously monitored, and the evolution trend of the bandwidth load is accurately identified through a time sequence prediction model, so that the path weight is dynamically modulated, the distribution proportion of the data packet is corrected in real time, and the data stream can be continuously and uniformly transmitted on the optimal path. The problems of transmission bottleneck and delay caused by performance fluctuation of a single path are effectively solved, and the reliability, stability and efficiency of data transmission are greatly improved.

The invention relates to a 5G signaling plane traffic screening method based on a multi-core processing unit, and the method comprises the steps: receiving network mirror image traffic through a physical interface unit, and screening out transmission control protocol traffic; the switching chip unit identifies HTTP / 2 protocol traffic from transmission control protocol traffic according to a target port number or an application layer protocol handshake feature, and forwards the HTTP / 2 protocol traffic to the multi-core processing unit; the binary framing structure of the HTTP / 2 protocol is analyzed, a data frame and a control frame are distinguished, and an HTTP request head is restored; analyzing and decoding an HTTP request header, and extracting a pseudo header field of a uniform resource identifier path in the HTTP request header; generating a traffic filtering rule corresponding to the service signaling traffic bearing the specific network function; and issuing the generated flow filtering rule to a switching chip unit, and outputting specified 5G signaling plane flow. The method automatically adapts to the dynamic change of the 5G network element, and effectively solves the problem of traffic loss or inaccuracy caused by difficult maintenance and untimely updating of the static work parameter data.

A method for speeding up packet processing is provided. The method includes: receiving, by a hardware acceleration circuitry of a computing device, a packet from an application layer. The method includes determining, by the hardware acceleration circuitry, whether the packet is a transmission control protocol / Internet protocol (TCP / IP) packet. The method includes performing, by the hardware acceleration circuitry, related processing on the TCP / IP packet to obtain a processed TCP / IP packet after the related processing in response to determining that the packet is the TCP / IP packet. The method includes transmitting, by the hardware acceleration circuitry, the processed TCP / IP packet to a lower layer.

The present disclosure refers to methods and systems to reduce delays in VoWI-FI handover and packet switching registration. The method includes triggering a Router Solicitation Router Advertisement (RSRA) procedure to establish a Transmission Control Protocol / Internet Protocol (TCP / IP) interface based on a determination that the VoWi-Fi handover of a user equipment (UE) is to be performed, determining if a router advertisement (RA) is received within a first time interval, and obtaining a full Internet Protocol version 6 (IPv6) address previously used by the UE in response to determining that the RA is not received within the first time interval, the full IPv6 address being for establishing the TCP / IP interface with a network.

Methods, systems, and devices for wireless communications are described. A user equipment (UE) may generate and transmit at least one TCP ACK message according to a delay timer. A duration for the delay timer may be based on a downlink data pattern associated with downlink data packets for the UE and an uplink scheduling pattern associated with uplink data packets for the UE. The UE may generate and transmit multiple TCP ACK message segments corresponding to the TCP ACK message based on the downlink data pattern and the uplink scheduling pattern. A TCP ACK message segment may correspond to feedback for a respective portion of the quantity of data. The UE may generate and transmit a TCP ACK message associated with the quantity of data based on a transmission blanking pattern.

System and method for adapting transmission control protocol (TCP) operation between a provider equipment (PE) node apparatus and a plurality of user devices in data communication including receiving a spectrum grant, creating at least one beam for each user device based on the spectrum grant and a number of the plurality of user devices being serviced by the PE node apparatus, initializing data representative of at least one profile for storing slow-start-related information for each beam of the at least one beam servicing a TCP upload or TCP download connection, and providing network services to each of the plurality of user devices via each beam of the at least one beam supporting the respective TCP upload and TCP download connections.

A monitoring device and a method are provided for dynamically adjusting an idle interval for a Transmission Control Protocol Keepalive (TCPK) setting in a monitoring device of an electronic monitoring system. The monitoring device is connectable to an access point over a communications network utilizing Transmission Control Protocol (TCP). The initial idle interval for the TCPK of the monitoring device is programmed and a connection between the monitoring device and the access point over the communications network is established. A connection status of the communications network is monitored for failures and a count of the failures is maintained. If the count exceeds threshold, the initial idle interval is reduced by a selected time period to provide an updated idle interval.

The disclosed systems, methods and computer readable media relate to managing Non-Volatile Memory Express (NVMe) over Transmission Control Protocol (TCP) (NVMeOTCP) connections between a smart network interface card (smartNIC) and a block storage data plane (BSDP) of a cloud computing environment. A software agent (“agent”) executing at the smartNIC may manage a number of network paths (active and, in some cases, passive network paths). The agent may monitor the network traffic (e.g., input / output operations (IOPS)) through the paths (e.g., using established NVMeOTCP connections corresponding to the paths). If a condition is met relating to a performance threshold associated with the monitored paths, the agent may increase or decrease the number established NVMeOTCP connections to match real time network conditions.

The invention discloses a full-duplex remote communication calling method and device and a storage medium, and relates to the technical field of network communication, and the method comprises the steps: responding to a remote calling request sent by a client, and based on the remote calling request, creating a transmission control protocol long connection with the client, the number of the client being one or more; and in response to a remote call request sent by at least one client, creating TCP long connection with the client. According to the invention, real full-duplex remote calling is realized by establishing a single TCP long connection, so that the server can initiatively initiate a calling request to the client, the limitation of unidirectional communication of a traditional RPC framework is broken through, the system architecture is effectively simplified, the complexity that the client plays the server at the same time is avoided, and the resource overhead caused by maintenance of multiple connections is reduced.

The application discloses a data processing method, a base station, a terminal and a storage medium. The data processing method comprises the following steps: acquiring a transmission control protocol (TCP) message, backing up a packet data convergence protocol (PDCP) service data unit (SDU) corresponding to the TCP message, generating and saving a sequence number code corresponding to the PDCP SDU; sending the TCP message to a data receiving end; when an acknowledgement (ACK) message carrying an acknowledgement sequence number is received according to the TCP message sent by the data receiving end, determining a sequence number code meeting an acknowledgement condition from the saved sequence number codes according to the acknowledgement sequence number in the ACK message; and deleting the PDCP SDU corresponding to the sequence number code meeting the acknowledgement condition. According to the scheme provided by the embodiment of the application, the sequence number code determined according to the ACK message acknowledgement sequence number is the maximum confirmable sequence number code, the PDCP SDU corresponding to the sequence number code smaller than or equal to the maximum confirmable sequence number code is deleted, the backup file of the PDCP SDU can be deleted more timely, and thus the message quantity of PDCP retransmission is reduced.

Transmission Control Protocol (TCP) states of an active device are replicated at a backup device configured to track connections in a software defined network (SDN). The backup device receives, from the active device, a TCP packet with a TCP flag including one or more of SYN, SYN-ACK, ACK, FIN, FIN-ACK, ACK, or RESET. When the TCP packet has a SYN flag, the backup device adds a connection record to a connection table. Otherwise, the backup device derives an updated connection state for the connection record using a TCP state machine. The connection state is updated as future packets are received by the backup device.

The invention discloses a user limiting method for centralized authorization control cluster service, which belongs to the technical field of centralized security management and control of cluster service, and specifically comprises the following steps: S1, identity registration and establishment of TCP (Transmission Control Protocol) long connection, S2, a dynamic authority control step and S3, a dynamic authority control step. According to the user limiting method, node counterfeiting is completely eradicated through a dynamic ID authentication mechanism of TCP long connection, the operation and maintenance complexity and the hardware input cost are remarkably reduced while the safety is guaranteed, and an anti-copying, high-real-time and low-cost authorization control normal form is provided for a distributed system; the digital certificate and the hardware fingerprint are bound for life and cannot be exported, so that the problem of authorization failure caused by the fact that a traditional digital certificate is easy to copy is solved.

The invention provides an inference system based on a large model, and relates to the technical field of data processing, in particular to the technical fields of large models, deep learning, intelligent search and the like. According to the specific implementation scheme, a transmission engine establishes a transmission channel for a pre-filling node and a decoding node of a large model; the pre-filling node and the decoding node are used for processing the same target reasoning request; the pre-filling node is used for storing key value pair information obtained by processing the target reasoning request into a local first video memory; storing the key value pair information in the first video memory into a second video memory of a decoding node through a transmission channel; under the condition of determining that the key value pair information is completely stored in the second video memory, sending a notification message to a decoding node through a transmission control protocol (TCP); and the decoding node responds to the notification message and processes the key value pair information in the second video memory to obtain a processing result of the target reasoning request.

Disclosed in the present application is a data transmission method. The data transmission method includes: establishing a multipath transmission control protocol (MPTCP) connection with a network access point device, the MPTCP connection including a first TCP connection and a second TCP connection, the first TCP connection being constructed according to a first Wi-Fi connection corresponding to a first Wi-Fi module, and the second TCP connection being constructed according to a second Wi-Fi connection corresponding to a second Wi-Fi module; and transmitting network access data to the network access point device by means of the MPTCP connection.

A method for transmitting one or more Transmission Control Protocol (TCP) acknowledgment (ACK) packets, performed by a user equipment (UE), and the user equipment are provided, the method comprising: reserving one or more sequence numbers (SNs) in at least one of a Packet Data Convergence Protocol (PDCP) SN space or a Radio Link Control (RLC) SN space; allocating the reserved one or more SNs to the one or more TCP ACK packets; and sending the one or more TCP ACK packets.

The present invention discloses a method for generating and automatically annotating data for a high-fidelity virtual environment, which relates to the fields of data generation and drone simulation technology. The method comprises the following steps: using an Unreal Engine to render a virtual simulation environment, obtaining and exporting a scene camera rendered image; performing real-time image encoding and single-frame image transmission on the scene camera rendered image through a customized network protocol and transmission control protocol; utilizing the environmental projection principle and target key point coordinate information to convert the target world coordinates into camera coordinates, extract target annotation information, and complete the overall data acquisition and annotation tasks. The present invention can achieve real-time and stable extraction of simulated images without dropping frames, realize low-latency single-frame image data transmission tasks, solve the drawback that the Unreal Engine can only transfer coordinates to the screen coordinate system, and support image acquisition and automatic annotation tasks for multiple cameras.

A computing system (500) is configured to detect a Transmission Control Protocol (TCP) session hijacking attack on a TCP session. In particular, the computing system monitors for nonsequential packets of the TCP session. The nonsequential packets each comprise a sequence number (220) that is different from a next expected sequence number of the TCP session. The computing system (500) calculates, for each of a plurality of time intervals, a variation metric representing an extent to which the sequence numbers (220) of the nonsequential packets received in the time interval differ from the next expected sequence number. The computing system determines a variation baseline representing a trend of the variation metrics over time, and detects the TCP session hijacking attack on the TCP session based on the variation metric in a given time interval being different from the variation baseline by less than a threshold.

The invention relates to one-to-many TCP connection splicing. A computing device includes at least one network interface controller (NIC), a memory, and at least one processor including one or more cores. The NIC (s) receive inbound transmission control protocol (TCP) data packets and transmit outbound TCP data packets. The memory stores a program of instructions that the processor executes to divide a data path within the computing device that includes both a receiving endpoint and a transmitting endpoint into a first path and a second path. In response to determining that the first inbound TCP data packet is associated with the established TCP connection and the data stitching group, the processor assigns the first inbound TCP data packet to the first path and assigns a second inbound TCP data packet that is not assigned to the first path to the second path. The processor performs a one-to-many data stitching of payload data from the first inbound TCP data packet to the outbound TCP data packet using the first path.

Certain aspects of the present disclosure are directed to enhancing throughput of multi-link operations. In general, one example method at a first wireless node includes determining a first ratio of first traffic on each of one or more of a plurality of links between the first wireless node and a second wireless node based on at least one characteristic of the one or more of the plurality of links, the first service comprises a transmission control protocol (TCP) or internet protocol (IP) service; and outputting the first traffic for transmission to the second wireless node according to the first ratio.

The present disclosure relates to a 5G or 6G communication system for supporting a data transmission rate higher than that of a 4G communication system such as LTE. A method for a server in a wireless communication system, according to one embodiment of the present disclosure, comprises the steps of: receiving acknowledgement (ACK) packets from a base station; determining scheduling characteristics on the basis of the ACK packets; and performing transmission control protocol (TCP) congestion control on the basis of the scheduling characteristics.

The invention provides a vehicle-cloud cooperative vehicle-mounted network fault processing method and system, and relates to the technical field of vehicle-mounted network fault processing, and the method comprises the steps: deploying a network probe at a vehicle end, and collecting wireless communication indexes in real time, wherein the wireless communication indexes comprise reference signal receiving power, a signal-to-interference-plus-noise ratio, reference signal receiving quality and TCP / HTTP (Transmission Control Protocol / Hyper Text Transport Protocol) service success rate; a multi-module fault diagnosis mechanism is combined to carry out accurate anomaly detection on various vehicle-mounted services, and context information is uploaded to a cloud end once a fault is found; and the cloud side intelligently generates a recovery strategy such as module reset, neighbor cell forced switching or flow routing optimization by relying on the regional base station load and historical network quality data, issues the recovery strategy to the vehicle side for execution, and receives execution feedback to form closed-loop control at the same time. According to the method, the perception precision, the diagnosis efficiency and the recovery speed of the vehicle-mounted network fault are improved, the vehicle-cloud cooperative operation and maintenance mode from passive response to active prediction, decision making and execution is realized, and the continuity of the vehicle-mounted service and the user experience are effectively guaranteed.