81 results about "Traffic shaping" patented technology

The invention discloses a traffic shaping scheduling method and device, electronic equipment and a storage medium. The method comprises the following steps: determining a target service type of a first data stream at a first time, and obtaining a second data stream at a second time corresponding to the target service type; the second time is before the first time and comprises flow data of a plurality of time periods; determining flow characteristic data of a third data stream at a third time according to the second data stream; the flow characteristic data is used for describing the flow rate and the burst degree of the third data flow; and determining a control instruction of a token bucket shaper of the flow queue based on the flow characteristic data, and adding a token to the token bucket shaper based on the control instruction to meet the flow transmission of the third data flow. According to the invention, through real-time adjustment of the token bucket parameters, accurate control of network congestion is realized.

Systems, methods, and instrumentalities are described herein associated with multi-flow prioritization and shaping. Per packet treatment for traffic shaping (e.g., UL traffic shaping) may be performed. Per packet treatment for traffic shaping may be performed based on a characteristic / condition associated with a data packet. Per packet treatment for traffic shaping may be performed based on a network signaling. Exclusion from traffic shaping may be determined, for example, on a per packet basis (e.g., based on a characteristic / condition associated with a data packet).

The invention discloses a data transmission method based on low-delay optimization, which comprises the following steps of data preprocessing, data classification, partitioning, compression and encryption preprocessing operation, transmission scheduling, multi-path selection, priority scheduling and flow shaping function realization, network transmission, actual data packet sending and receiving processing and basic transmission control. According to the data transmission method and system based on low-delay optimization and the computer readable storage medium, through real-time network awareness and machine learning technologies, the system can dynamically adjust a transmission strategy and adapt to diversified network environments, and the data transmission efficiency is improved. And a multi-dimensional priority model and an intelligent scheduling algorithm ensure that key data obtains an optimal transmission path and resources.

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for use case aware network traffic shaping techniques for power reduction. An AR device may align a set of transmission periodicities associated with a set of transmission types to a common periodicity corresponding to a master transmission type of the set of transmission types based on a modification to at least one transmission periodicity of the set of transmission periodicities. A UE may align a set of transmission periodicities associated with a set of transmission types to a common periodicity, where a packet size associated with a transmission type may be based on a latency threshold associated with the transmission type. The UE may buffer one or more transmissions of a set of transmissions corresponding to the set of transmission types prior to performing packetization associated with at least one transmission.

The invention discloses a secure data transmission method based on multi-thread control, and relates to the technical field of network information security, and the method comprises the following steps: extracting a sensitivity identifier from a data packet header, adopting a lookup algorithm to match a preset sensitivity grading table, dividing data into a high-sensitivity type, a medium-sensitivity type and a low-sensitivity type, determining a priority queue distribution proportion according to the sensitivity, obtaining an initial flow shaping parameter, obtaining current network flow data according to the initial flow shaping parameter, analyzing a preset congestion detection threshold value and a historical transmission record, judging a network congestion degree by adopting a token bucket algorithm, and if the congestion degree is higher than the preset congestion detection threshold value, sending the current network flow data to the priority queue; if yes, the token generation rate of the high-sensitivity data is adjusted, and an adjusted traffic shaping strategy is obtained; according to the secure data transmission method based on multi-thread control, the network transmission efficiency can be effectively improved while the data security is ensured, and the method is particularly suitable for a complex network environment in which data with different sensitivities needs to be processed at the same time.

This disclosure provides systems, methods and apparatus, including computer programs encoded on computer storage media, for use case aware network traffic shaping techniques for power reduction. An AR device may align a set of transmission periodicities associated with a set of transmission types to a common periodicity corresponding to a master transmission type of the set of transmission types based on a modification to at least one transmission periodicity of the set of transmission periodicities. A UE may align a set of transmission periodicities associated with a set of transmission types to a common periodicity, where a packet size associated with a transmission type may be based on a latency threshold associated with the transmission type. The UE may buffer one or more transmissions of a set of transmissions corresponding to the set of transmission types prior to performing packetization associated with at least one transmission.

The invention discloses a dynamic working condition-oriented data-real fusion test consistency guarantee method, which comprises the following steps of: carrying out dynamic working condition sensing and data stream preprocessing, sensing network load and physical node states in real time, and preferentially processing high-timeliness data by adopting a self-adaptive traffic shaping mechanism; the method comprises the following steps: constructing an attention-enhanced distributed multi-agent Actor-Critic network architecture based on deep reinforcement learning, and carrying out collaborative decision making by taking a communication node as an independent agent; strategy iteration training is carried out in a digital twin training environment mapped with a physical environment, key state features are extracted by using a self-attention mechanism, and scheduling behaviors are optimized through a multi-target reward function comprehensively balancing delay jitter, multi-source data consistency and network load balance; and converting the global optimization strategy into a dynamic flow scheduling table and issuing the dynamic flow scheduling table to a physical node for execution. According to the method, the problems of time delay fluctuation and consistency deviation of a data-real fusion test in a dynamic network environment are solved.

This application provides a traffic scheduling method, apparatus, and electronic device, relating to the field of communication technology. The method includes: when a target channel group determined from a shaping group and a non-shaping group is a shaping group, determining a first target channel from the shaping group based on a filtering rule that uses the channel corresponding to the highest credit value as the target channel, and determining whether it meets preset shaping conditions; if it does, scheduling the traffic of the first target channel, adjusting the credit values ​​of the first target channel and other first channels according to a preset credit value adjustment rule, and continuing to schedule the shaping group; if all channels in the shaping group have been scheduled at least once or the preset shaping conditions are not met, re-determining the target channel group. The non-shaping group is scheduled using a round-robin scheduling method. This can alleviate the problem of uneven traffic distribution among channels with traffic shaping enabled when some channels have traffic shaping enabled and others do not.

The invention relates to the technical field of communication, and discloses a traffic shaping method and device and a storage medium, the traffic shaping device comprises a message receiving module, a plurality of cache units, a message forwarding module and a token management module, and the token management module comprises a token supplementing unit and a token deduction unit. And the token deduction unit is used for determining a corresponding deduction multiplying power coefficient according to the priority of the message to be forwarded when the message forwarding module forwards the message to be forwarded, and deducting a corresponding number of tokens from the token bucket corresponding to the cache unit in which the message to be forwarded is located. According to the invention, the differentiated deduction multiplying power coefficients are set for the messages with different priorities, so that the overall forwarding efficiency and the service quality adaptability of the system in a multi-service complex environment are improved.

The application discloses an edge computing network architecture providing deterministic quality of service, which mainly comprises a service provider, a user terminal, a base station, a router and an edge computing node, wherein the service provider receives a task of the user terminal and feeds back relevant configuration parameters for processing the task to the user terminal and relevant equipment on a task transmission / processing path, the base station receives the task of the user terminal and forwards the task to the router, and the router receives the task sent by the base station and forwards the task to the edge computing node; a three-part domain deployment mode is adopted, including three independent domains of a wireless domain, a wired transmission domain and a computing domain, and an inter-domain traffic shaping mechanism is adopted. The method transplants the deterministic network technology into the edge computing network, solves the problem that the traditional deterministic network technology cannot be adapted to a heterogeneous medium scene, and can provide deterministic quality of service in a dynamic and unpredictable environment.

The invention discloses a traffic shaping method and system for an AXI bus, a storage medium and electronic equipment, and the method comprises the steps: collecting the traffic performance data of all main equipment on the AXI bus in real time, and obtaining a real-time monitoring data set; based on the real-time monitoring data set, predicting the flow trend of each master device in a future time window through a long short-term memory network to obtain a prediction result; according to the prediction result and the real-time monitoring data set, calculating a weight adjustment strategy of each master device through a reinforcement learning algorithm to obtain a decision instruction; and performing real-time traffic shaping control on the AXI bus according to the decision instruction. According to the invention, the utilization efficiency of the bus bandwidth and the overall performance of the system can be improved on the premise of ensuring the real-time performance of the key task.

The invention relates to the technical field of data security, in particular to a security operation method and system based on multi-agent collaboration, and the method comprises the steps: intercepting and capturing a TLS length and a time interval sequence of an encrypted session by using an edge-aware agent, constructing a spatio-temporal topology embedding vector based on a linear visibility criterion and a graph attention mechanism, and constructing a spatial-temporal topology embedding vector; and the flow agent maps the vector into a Gaussian distribution parameter to generate a token adjustment coefficient, dynamically adjusts the token bucket frequency and executes asynchronous delay shaping by using a time wheel, and the reflection agent combines a flow confusion escape rate and a processing delay index to carry out closed-loop updating on model parameters through a strategy gradient algorithm. According to the invention, adaptive defense of the encrypted covert channel is realized through dynamic traffic shaping.

The invention discloses a message delay analysis method for ARINC664 terminal traffic shaping. The method comprises the following steps: calculating an arrival curve of each message; adding the arrival curves of the messages to obtain a message frame stream aggregation arrival curve alpha w of all frameflowi in the sub virtual link queue; calculating a strict service curve beta < w > (t) of the sub-virtual link; and taking the maximum horizontal distance between the aggregation arrival curve and the strict service curve as the maximum delay of sub-virtual link traffic shaping, and taking the maximum value of the maximum delay of all sub-virtual link traffic shaping as the maximum delay of virtual link traffic shaping. The method can be used as a basis for deterministic analysis of the ARINC664 network.

A network device for the exchange, routing and / or gatewaying of data between different subnets of a communication network, comprising: a central processing unit; one or more data ingress ports and one or more data egress ports for exchanging data with another network device of the communication network; a plurality of co-processors, including one or more frame normalization co-processors, one or more ingress queuing co-processors, one or more filtering and policing co-processors, one or more intermediate queuing co-processors, at least one gateway co-processor, one or more egress queuing co-processors and at least one traffic shaping co-processor; the central processing unit being adapted to configure and control the one or more data ingress ports, the one or more data egress ports and the plurality of co-processors to implement one or more data processing paths in parallel and / or pipelined between the one or more ingress ports and the one or more egress ports.

The invention relates to a VxWorks hybrid message transmission method based on dual-channel isolation and dynamic traffic shaping, and belongs to the technical field of embedded real-time operating system communication. According to the transmission method of the mixed message in the VxWorks system, the UDP message delay jitter and the UDP message packet loss rate are effectively reduced, the bandwidth utilization rate of the TCP message is improved, and a standardized solution of mixed flow cooperative transmission is provided for the VxWorks system.

The application discloses a kind of vehicle-mounted Ethernet dynamic flow scheduling method and system, it is related to vehicle communication field, comprising: T1, the data stream feature registration and global view management of the equipment of access vehicle-mounted network are carried out;T2, time window is taken as scheduling unit, multiple time slots are divided in time window, and hierarchical time slot scheduling model is constructed;T3, based on flow quota, network data is monitored and flow shaping in real time, and burst flow is inhibited;T4, according to the trigger of high priority emergency data stream, time slot preemption and time window dynamic reconstruction are executed;T5, according to network transmission quality feedback, the bandwidth quota of each data stream is adaptively adjusted.Through the above scheme, time window and three-level time slot physically isolate burst flow, ensure that safety data bandwidth such as braking, steering is monopolized, significantly reduce the packet loss rate, realize key business strong guarantee.

One or more embodiments of the invention provide a cross-location traffic shaping method, a model training method and related equipment. The method comprises the following steps: collecting downlink traffic generated by successfully accessing an agent hiding service through an onion routing client; identifying a burst segment in the downlink flow according to a preset judgment condition; simulating bottom packaging logic of an onion routing protocol, and performing burst reconstruction on the burst segment to obtain a reconstructed burst segment; and replacing the burst segment with the reconstructed burst segment to realize feature alignment of the reconstructed downlink traffic and a target downlink traffic, the target downlink traffic being a downlink traffic generated by successfully accessing a target hidden service through an onion routing client. Through the technical scheme of the invention, the consistency expression capability of cross-position traffic can be improved. Training and testing of a traffic fingerprint identification model are carried out based on the cross-position traffic with the consistent expression capability, and the performance of the traffic fingerprint identification model can be further improved.

Systems and methods for dynamically metering network access in a vehicle network are disclosed. An exemplary method includes periodically receiving one or more performance metrics for one or more communication links, the one or more communication links supporting wireless communication of one or more networked computing devices onboard a vehicle, where the one or more performance metrics fluctuate over time; periodically determining a link quality indicator based on the one or more performance metrics; and periodically communicating the link quality indicator to a traffic shaper system such that the traffic shaper system dynamically allocates bandwidth between the one or more networked computing devices based on the link quality indicator.

The application discloses an Ethernet and serial communication conversion device and method for semiconductor equipment, which comprises a hardware system and a software system, the hardware system contains an industrial-grade main controller, a plurality of independent configurable serial communication interfaces, an Ethernet interface, a state indication and alarm module and the like; the software system runs on the main controller and comprises a bidirectional protocol conversion module, a data priority processing and flow control module and a state monitoring and fault diagnosis module. The data priority processing and flow control module is internally provided with a data processing mechanism based on static priority, or adopts an adaptive priority dynamic re-marking and flow shaping method based on process stage sensing and queue pressure prediction, and the priority of a data frame and a token bucket injection rate are dynamically adjusted. The application can adapt to the harsh environment of a semiconductor factory, realize high-reliability and low-delay bidirectional conversion of a multi-protocol serial device and an Ethernet, and has perfect state monitoring and fault automatic recovery functions.

The application discloses an AXI bus traffic shaping method, a system, a storage medium and an electronic device, wherein the AXI bus traffic shaping method comprises the following steps: collecting traffic performance data of each master device on an AXI bus in real time to obtain a real-time monitoring data set; predicting the traffic trend of each master device in a future time window through a long short-term memory network based on the real-time monitoring data set to obtain a prediction result; calculating a weight adjustment strategy of each master device through a reinforcement learning algorithm according to the prediction result and the real-time monitoring data set to obtain a decision instruction; and performing real-time traffic shaping control on the AXI bus according to the decision instruction. The application can improve the bus bandwidth utilization efficiency and the overall system performance on the premise of guaranteeing the real-time performance of key tasks.

The invention discloses a power network sensitive service multi-scale monitoring and protection method and system, a medium and a processor, and relates to the technical field of power system network security. The method comprises the following steps: identifying key business services of a power network to form a sensitive service list, formulating a multi-level protection strategy based on business influence analysis, security risk assessment and compliance requirements, and configuring a monitoring component to form a sensing network; performing multi-scale real-time monitoring and data aggregation based on a sensing network to form a standardized event stream; carrying out anomaly analysis on the event flow by adopting a multi-level detection engine combining rule matching and behavior baseline analysis, and judging and generating a threat alarm event through a self-adaptive threshold value; active protection actions including equivalent transformation and dynamic disguise, isolation and locking, access regulation and control and traffic shaping are executed on the threat business service; the protection effect is evaluated regularly, and a closed-loop optimization mechanism is formed. According to the invention, fine-grained, self-adaptive and automatic real-time safety protection of the sensitive service of the power network is realized.

The invention relates to the technical field of energy transmission management, in particular to a source network load storage park energy management method based on edge computing. The specific implementation process comprises the following steps: acquiring an original message of terminal equipment by using a protocol analyzer, recombining the original message into an energy telemetering load based on a private protocol stack mapping table, and inputting the energy telemetering load into a traffic shaping pipeline; calculating a characteristic distance by using a time sequence entropy difference algorithm, filtering redundant loads and packaging incremental telemetering key frames; establishing a cloud edge synchronization tunnel to perform data interaction, and when a wide area network link is blocked, passing back through a local area network two-layer link; and analyzing the policy reconstruction packet and the edge self-healing signaling, and carrying out hot update on a local policy routing engine and a traffic shaping pipeline. According to the method, redundant steady-state data are dynamically filtered by utilizing a flow shaping pipeline and a time sequence entropy difference algorithm, the occupation of bandwidth resources by full-quantity uploading is avoided, meanwhile, the local decision-making capability when an external network is abnormal is guaranteed through edge self-healing logic, and the efficiency and safety of park energy management are improved.

This disclosure provides a method, apparatus, medium, and electronic terminal for traffic shaping in an in-vehicle system. The traffic shaping method includes: acquiring a queue request signal; processing the queue request signal to obtain a random access memory (RAM) number and address associated with the queue request signal, wherein the RAM stores counters for each queue within the in-vehicle system port, and the counters are used to record the credits or tokens of the queues; and performing traffic shaping on the queues within the in-vehicle system port based on the RAM number and the address. This traffic shaping method can save resources in the in-vehicle system, reduce chip area, and thus reduce chip cost. Furthermore, it supports both credit-based and token-based traffic shaping, improving the flexibility of traffic shaping.

The application discloses a kind of adaptive bidirectional traffic shaping method and system suitable for service grid, it is related to network security technical field, the metadata collection mechanism based on time window of the present application makes system can continuously perceive service state change, by the configuration file of dynamic updating shaping strategy, it is realized to the quick adaptation of new service on-line, traffic mode change etc. Scene, by dynamically clustering analysis service traffic characteristics, can automatically identify key services and form optimal shaping strategy, realize the accurate allocation of network resources, effectively avoid the problem of bandwidth waste or key service resource shortage caused by traditional fixed strategy. Adopt sending / receiving double-agent architecture, implement cooperative shaping at both ends of communication. The sending end marks the shaped traffic by header identification, and the receiving end significantly reduces the impact of burst traffic on the system through intelligent reorganization and differential processing of virtual / real requests, improving the stability and reliability of inter-service communication.

The invention discloses a switch chip. The switching chip is connected with the input end of the loopback interface through a bus through a service access interface, and is used for receiving original flow and transmitting the original flow to the loopback interface in a directional manner; the output end of the loopback interface is connected with the input end of the link aggregation interface, and the loopback interface is used for carrying out traffic shaping on the original traffic through a pre-configured shaping parameter and transmitting the shaped original traffic to the link aggregation interface through a pre-binding relationship; and the output end of the link aggregation interface is connected with an external network and is used for transmitting the shaped original traffic to the external network through a preset mechanism. According to the invention, the technical effect of meeting the requirements of efficient, flexible and refined traffic control of the link aggregation interface in a modern complex network environment can be realized.

The invention relates to the technical field of photovoltaic power plant combiner box data acquisition, and discloses a new energy power plant network security industrial gateway with layered interface protection. The gateway divides an internal network domain and an external network domain by constructing a virtual protection space with a physical interface as a boundary. The operation process comprises the following steps of: capturing and analyzing message characteristics and session context of boundary communication data in real time; performing intelligent tagging on the communication behaviors by utilizing a behavior intention recognition engine; querying a security policy library based on the intention label to generate a preliminary disposal instruction; activating a traffic shaping and protocol filtering function to perform deep content inspection; and dynamically updating the threat index and triggering a strategy adjustment mechanism in the checking process. According to the method, the passive response of the existing dynamic gateway is overcome, the overall study and judgment and active defense of a complex attack chain are realized by constructing a full-process collaborative intelligent framework of data perception, intention understanding and strategy generation and execution, and the network security level of a new energy power plant monitoring system is remarkably improved.

Systems and methods for dynamically metering network access in a vehicle network are disclosed. An exemplary method includes periodically receiving one or more performance metrics of one or more communication links that support wireless communications for one or more networked computing devices onboard a vehicle, wherein the one or more performance metrics fluctuate over time, periodically determining a link quality indicator based upon the one or more performance metrics, and periodically transmitting the link quality indicator to a traffic shaper system to cause the traffic shaper system to dynamically allocate bandwidth among the one or more networked computing devices based upon the link quality indicator.

Embodiments of the present application relate to the technical field of communication, and disclose a cache queue management method, an electronic device and a storage medium. The cache queue management method comprises: obtaining the data amount of cached data in each cache queue in which the cache condition changes; detecting whether the data amount of the cached data exceeds a first preset threshold; in the case where the data amount of the cached data exceeds the first preset threshold, obtaining the enqueue rate of the cached data in the cache queue and determining the dequeue weight corresponding to the cache queue according to the data amount of the cached data and the enqueue rate; and in the case where the data amount of the cached data does not exceed the first preset threshold, determining the dequeue weight corresponding to the cache queue according to the data amount of the cached data. Thus, when traffic shaping is performed based on the cache queue, the time delay and packet loss can be reduced.

The application discloses a log management transmission intelligent agent system and method based on intelligent scheduling and a storage medium, and the system comprises an intelligent retransmission controller, a dynamic load balancer, a service priority identification unit and a self-adaptive flow limiting funnel model controller. The application is based on the open source ElasticSearch, and the intelligent retransmission controller, the dynamic load balancer, the service priority identification unit and the self-adaptive flow limiting funnel model controller jointly constitute a log management transmission intelligent agent system based on intelligent scheduling, which has the abilities of intelligent fault recovery, dynamic load scheduling, service hierarchical processing and burst traffic shaping, is suitable for real-time transmission and storage of large-scale log data, and solves the problems of the existing log management transmission tools, such as a simple and rough retransmission mechanism, a fixed strategy load balancing difficult to adapt to a dynamically changing cluster state, insufficient service priority support and easy message accumulation or loss in a burst traffic scenario.

The invention relates to a protocol conversion method and system for an Autbus and FC equipment, and the method comprises the steps: S1, receiving an FC message, and carrying out the priority marking and traffic shaping according to the priority and data type of the FC message; s2, analyzing the FC message, and extracting the data load of the FC message; s3, according to the Autbus protocol and the traffic shaping result, splitting and packaging the data load of the FC message to form a packaged Autbus message; s4, according to the priority identifier, adding the Autbus message into a corresponding cache queue; s5, based on a dynamic time slot resource allocation algorithm, allocating a time slot for the Autbus message, and transmitting the Autbus message through an Autbus bus; s6, an Autbus message is received, and decoding, verification and analysis are carried out on the Autbus message; s7, according to FC protocol recombination data, FC message recombination is carried out on the analyzed Autbus message; s8, performing end-to-end integrity verification on the recombined FC message; and S9, carrying out flow control and rate adaptation based on the FC equipment capability and the network condition, and then sending the recombined FC message.