557 results about "Packet processing" patented technology

The invention relates to the technical field of integrated circuit system-on-chip communication, and relates to a network-on-chip transmission method and device based on a dynamic parallel mechanism, and a medium. The method comprises the following steps: carrying out parallel transmission by adopting a control link and a data link which are separated; the control link and the data link are respectively provided with an independent packing module and an independent unpacking module; different transaction types are adapted through a dynamic message structure; dynamic subpackaging is carried out according to the data size during data link packaging; when the control link is unpacked, parameters are split through the Controldec module and are sent to the parameter receiving module; and when the data link is unpacked, the data link is controlled by a state machine, and the split data is transmitted into a data storage module. The invention aims to effectively reduce congestion, reduce power consumption and improve the transmission efficiency and the overall performance of the network on chip through parallel transmission architecture design, double-link parallel packet processing logic design and a composition structure of a dynamic message.

Example embodiments of the present disclosure relate to methods, devices, and computer storage medium for communication. The method comprises: receiving, at a terminal device from a network device, at least one of the following parameters associated with a protocol data unit (PDU) set: a first parameter indicating whether all PDUs in the PDU set are needed by an application layer; a second parameter indicating whether the PDU set is to be discarded when an additional PDU set associated with the PDU set is lost or discarded; a third parameter indicating a discard timer for the PDU set; or a fourth parameter indicating a reordering timer for the PDU set, and processing the PDU set based on the received at least one of the parameters. In this way, packet processing with PDU set granularity is supported, and PDU-set based handling is also supported. Therefore, communication quality and network performance are improved.

The invention relates to the technical field of fault detection, and discloses a big data-based machine room equipment fault diagnosis method and system, and the method comprises the steps: collecting load information data streams generated by all equipment in a machine room in real time, and carrying out the filtering, and obtaining a filtered information sequence; performing grouping processing on the filtered information sequence by using a K-means clustering algorithm to obtain a dynamic change mode group, calculating a key statistical index, and obtaining an abnormal feature set; if the abnormal feature set exceeds a preset variance threshold, classifying the abnormal feature set and determining a fault mode to obtain a fault mode category set; matching the fault mode category set with a preset fault mode database to obtain a fault mode matching result, and generating a corresponding risk assessment report to obtain a risk assessment report; and adjusting the operation parameters of the machine room equipment to obtain the equipment operation parameters. According to the method, equipment faults can be diagnosed in time.

The invention relates to the field of databases, in particular to a database disaster tolerance synchronization method based on packet replication and a database system. The invention provides a refined synchronization control mechanism based on a grouping strategy aiming at the problem that a unified global synchronization strategy cannot meet refined and differentiated requirements of distributed applications on data consistency, availability and performance in the existing database replication technology. Multiple groups of standby libraries adopt different synchronization levels to perform grouping copying in the same database; a logic abstraction layer of a synchronization group is introduced, a synchronization strategy and a physical standby library are decoupled, and multiple different synchronization mechanisms of a master-slave replication process are allowed in a database; a synchronous waiting mode of a traditional single path is broken through by utilizing a multi-waiting queue and a grouping ACK processing mechanism, so that state advancement of different groups does not interfere with each other; and checking is completed based on the consistency of the state mask, so that the transaction can be successfully returned only after all specified synchronization conditions are met, and the strong consistency of data is ensured.

The invention provides a nuclear magnetic resonance spectrogram analysis method and system, and relates to the technical field of mass spectrometry, and the method comprises the following steps: carrying out Fourier transform on an original FID signal of a to-be-detected solution to obtain a corresponding frequency domain signal; after carrying out phase correction processing on the frequency domain signal, determining positions of a plurality of candidate peaks from the frequency domain signal according to a second derivative; grouping the candidate peaks based on the distance parameter between the adjacent candidate peaks to obtain a plurality of first candidate peak groups; if the difference value between the maximum peak height and the minimum peak height of the candidate peaks is greater than a first preset threshold value, filtering partial candidate peaks in the first candidate peak group; if the difference value between the maximum peak value of the abnormal candidate peak group and the maximum peak value of the first candidate peak groups on the two sides is greater than a second preset threshold value, filtering the abnormal candidate peak group to obtain a target candidate peak group; and performing parameter fitting on the candidate peaks in the target candidate peak group by using a least square method, and determining the solvent peak position and the water peak position.

The invention discloses an intelligent construction site multi-dimensional collaborative management method based on BIM and Internet of Things, and the method comprises the steps: carrying out the grouping processing of data through employing a clustering algorithm according to a unified data set after fusion, classifying the data of similar processes, and carrying out the recalculation through adjusting a clustering center if a grouping result shows that the data distribution is not uniform, determining an inter-process logic dependency relationship graph; the method comprises the following steps: acquiring real-time field update data as input through a complex coupling process sequence, predicting the completion time of each process in the sequence by adopting a neural network model, judging whether a prediction deviation is within an allowable range or not, and obtaining an accurate progress prediction result; and deducing a result through a final dynamic resource demand, generating a summary report for a project end process, carrying out mapping display on the result by adopting a visual tool, judging whether a construction period requirement is met or not, and obtaining complete construction management output.

Systems and methods for the storing and distribution of routes with different length prefixes between different tables in network devices utilizing lookup strengths associated with prefix lengths are disclosed. The results from performing lookups in these tables may have associated lookup strengths based on the prefix length of the associated routes, and the evaluation of which route to utilize for packet processing can be determined utilizing these associated lookup strengths. In this manner, a desired route for such packet processing may be determined regardless of the table where a route resides.

An example method may include determining whether a preemption flag associated with a first input / output (I / O) handling thread is equal to a first value indicating that preemption of the first I / O queue handling thread is forthcoming, wherein the first I / O queue handling thread is executing on a first processor, the first I / O queue handling thread is associated with a first set of one or more queue identifiers, and each queue identifier identifies a queue being handled by the first I / O queue handling thread, and, responsive to determining that the preemption flag is equal to the first value, transferring the first set of one or more queue identifiers to a second I / O queue handling thread executing on a second processor. Transferring the first set of queue identifiers may include removing the one or more queue identifiers from the first set.

A method for processing packets, comprising receiving a packet via a representor port on a data processing unit (DPU) operatively connected to a physical host, in response to receiving the packet, processing packet using a hardware switch pipeline in the DPU, where the processing the packet comprises using a plurality of match / action tables to identify an exact match flow entry for the packet, where the plurality of match / action tables do not contain any match flow entries that are not exact match flow entries; and initiating transmission of the packet towards its intended destination using the exact match flow entry.

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).

A method for processing packets. The method comprising selecting, by an application executing on a container in a pod on a physical host, a transmission interface from a set of transmission interfaces over which to transmit a packet, where the set of transmission interfaces comprises a virtual Ethernet interface and a virtual function, where the set of transmission interfaces are associated with the pod, and where the transmission interface is the virtual Ethernet interface. The method further comprises receiving the packet by a host bridge in the physical host, wherein the packet is destined for a second container on a second pod in executing on the physical host, and transmitting, by the host bridge, the packet to a second virtual Ethernet interface, wherein the second pod is associated with the second virtual Ethernet interface.

A method for processing packets, the method comprising receiving a packet by a data processing unit (DPU) operatively connected to a physical host, in response to receiving the packet, processing packet using a hardware switch pipeline in the DPU, wherein the processing the packet comprises using a plurality of match / action tables to identify an exact match flow entry for the packet, wherein the plurality of match / action tables do not contain any match flow entries that are not exact match flow entries, and initiating transmission of the packet towards its intended destination using the exact match flow entry.

There is provided a wireless communication device comprising a receiver and a processor. The receiver is arranged to receive a downlink packet from an end-point address, the downlink packet marked with a reflective Quality of Service indication and packet set information. The processor is arranged to determine that reflective Quality of Service must be applied for packets sent in the uplink direction towards the end-point address and that are part of a particular packet set. The processor is further arranged to derive uplink Quality of Service rules for packet data units of the particular packet set. The processor is further arranged to determine which packets sent in the uplink direction towards the end-point address are part of the particular packet set. The processor is further arranged to apply the uplink Quality of Service rules for packets sent in the uplink direction towards the end-point address that are part of the particular packet set.

This application provides a packet processing method, a device, a system, and a storage medium. A first network device receives an original packet, generates an IPv6 packet based on the original packet and endpoint group (EPG) information, where the IPv6 packet comprises an IPv6 extension header and the original packet, and the IPv6 extension header comprises the EPG information, and sends the IPv6 packet. A second network device receives the IPv6 packet;obtains the EPG information from the IPv6 extension header, and processes the IPv6 packet according to a group based policy corresponding to the EPG information.

The invention relates to the technical field of data communication, and discloses a multi-device group collaborative playing method and device, equipment and a storage medium, which are used for improving the overall collaborative efficiency of a system. The multi-device group collaborative playing method comprises the following steps: acquiring device information of all available playing devices and display devices in a network, labeling types and positions for the devices to form a device set, and performing scene-based grouping processing according to device labels, functional characteristics and user historical use modes in the device set to obtain a plurality of playing groups; and carrying out clock synchronization and playing progress coordination processing on the equipment in each playing group to obtain a synchronously controlled group playing state, calling playing parameter configuration optimized by a machine learning algorithm based on the group playing state and the identified user scene, receiving a user instruction, and sending the user instruction to the server. And carrying out unified control and management on the playing group according to the playing parameter configuration and the user instruction.

Disclosed are a virtual-machine state switching method and apparatus, and a device cluster and a readable storage medium, which relate to the technical field of virtualization. The method comprises: during the processing of virtual-machine state switching, after having received a switching request of a first virtual machine, creating a second virtual machine in a host machine that runs the first virtual machine, and on the basis of a second state indicated by the switching request, configuring a message exchange mechanism of the second virtual machine; and live-migrating the first virtual machine to the configured second virtual machine, so as to implement online switching of a message exchange mechanism in the first virtual machine. In this way, a data packet processing method between a first virtual machine and a client is switched without shutting down the first virtual machine. Thus, losses caused by service interruptions are reduced.

The application provides a message processing method, device and system. The method comprises: a terminal device generates a first data message, the first data message comprises a first field and a second field, the first field and the second field are different, the first field carries first information, the second field carries second information, and the second field is used for indicating third information, the first information is used for indicating first identity information of the terminal device, the second information is used for indicating the first identity information, and the third information comprises information for encrypting, decrypting and security checking a payload of the first data message; and the terminal device sends the first data message to a first network device. The method can improve the communication security in the network and help save network resources.

A method, computer system, and a computer program for managing computer jobs in a queue is provided. This comprises extracting metadata from a new job received for processing and upon determining when a similar enriched metadata exists in a database. A job score and storage footprint may then be determined for the new job from the extracted metadata. It is then determined whether the new job can be grouped for processing with any other jobs already placed on a queue. The new job is then added to the queue based on the new job's score and footprint, and whether it can be grouped with other jobs. The queue is then updated and sent to a scheduler for further processing.

The invention relates to a portable WiFi (Wireless Fidelity) self-adaptive endurance optimization system, which comprises a data acquisition module used for acquiring terminal information for establishing Wi-Fi connection, byte receiving and transmitting total quantity, data packet processing quantity and physical state information of equipment, adding a timestamp label to acquired real-time data, storing the data in a nonvolatile memory of the equipment, and storing the acquired real-time data in the nonvolatile memory of the equipment; the method comprises the following steps: generating a historical log, performing periodic aggregation calculation on the historical log, generating feature data representing user behavior habits, compressing and encrypting the feature data and the historical log, and reporting the feature data and the historical log to a cloud server; the behavior prediction module is used for receiving the baseline prediction model issued by the cloud server and the data acquired by the data acquisition module, and performing real-time behavior prediction of the equipment side and incremental training and fine tuning optimization of the model according to the data; the intelligent decision engine is used for dynamically generating a power consumption control strategy; and the feedback learning module collects actual operation effect data, updates a local model and synchronizes the local model to the cloud.

The application discloses a cryptographic algorithm debugging data hierarchical grouping compression method for a reconfigurable cryptographic chip. In the debugging work of the reconfigurable cryptographic chip, the debugging data is divided into reconfigurable cryptographic algorithm configuration information and operation intermediate data. The debugging data is processed by hierarchical grouping, the debugging data of each level module is divided into one or more groups, then the debugging data is filled or spliced, and then the reconfigurable debugging data is compressed by using a Huffman coding mode. After the hierarchical grouping compression method of the debugging data is used, the transmission performance of the debugging data can be effectively improved while the storage resource of the debugging data is reduced.

The invention provides an optical cable fault intelligent analysis and positioning method based on big data and AI, and the method comprises the steps: extracting a spatial density feature value from a latitude and longitude coordinate set, judging the coordinate as a high-density region coordinate if the spatial density feature value exceeds a preset threshold value, and obtaining a preliminary spatial distribution point set; performing grouping processing on the preliminary spatial distribution point set by adopting a clustering algorithm, fusing Euclidean distance measurement in the longitude and latitude coordinate set, determining a cluster of fault points, and obtaining a distribution mode cluster group; and performing prediction processing on a time sequence of the high-incidence area identification set through a time sequence analysis algorithm, fusing trend data of the time evolution sequence segment, determining a prediction value of a future evolution rule, and obtaining a prediction rule value set.

A network device for capability-based autonomous SAN traffic engineering is provided. The network device includes one or more ingress points configured to receive one or more packets from a first network node, a first set of buffers configured to store packets associated with a first group of network nodes, and a packet processing logic configured to determine a communication speed of the first network node over a first channel, wherein the packet processing logic is configured to assign the first network node to a first group nodes of the plurality of groups of network nodes, and store the one or more packets from the first network node in the first set of buffers.

An integrated circuit (IC) device includes a functional circuit and a distributed management circuit that includes a plurality of configuration interface manager (CIM) circuits that receive respective programming partitions as configuration packets over a first communication channel (e.g., a network-on-chip or NoC), the configuration packets being configured to communicate with the functional circuit. And performing management operations on the respective regions of the functional circuit in parallel with each other based on the respective configuration packets, the management operations including providing configuration parameters to the respective regions of the functional circuit. The configuration packets may be streamed from the central manager to the CIM circuitry and / or read by a direct memory access (DMA) engine of the CIM circuitry. The central manager may configure the CIM circuitry and the NoC over a second communication channel (e.g., a global communication ring interconnect) during the initialization phase. The CIM circuitry may include respective packet processors, random access memories, authentication circuitry, error detection circuitry, and interconnect circuitry having a standardized bus width.

The invention relates to a server-less packet processing service with isolated virtual network integration. A program to be executed to perform packet processing operations on packets associated with a resource group and security settings for the resource group are received. The program is transmitted to a set of fast path nodes that are assigned to the resource set based on metadata of the set. Relative to a particular packet, a secure operation based on the settings is performed and the program is executed at a fast path node. A packet routing operation corresponding to the received packet is performed based at least in part on a result of the program.

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 application provides a vehicle data collection method, system and electronic equipment, relates to the technical field of data collection, and receives message data of a vehicle sent by a CANFD analyzer; the message data is subjected to deserialization processing to obtain target data satisfying a JAVA object structure; according to the structure types of various data in the target data, the frame IDs of the various data are determined; the target data is classified according to the categories of the frame IDs to obtain target data sets corresponding to various business types; the target data set corresponding to any business type is grouped according to the data collection time points to obtain business data of the business type at multiple time points, and the business data is pushed to the front end. The message data is obtained through the CANFD analyzer, the data transmission efficiency is improved, in addition, the data is classified according to the frame IDs and grouped according to the collection time points, which helps to improve the data analysis efficiency.

The invention discloses a data transmission method and system applied to an MTU limited local area network scene, and a medium, and relates to the technical field of wireless local area network data transmission. According to the scheme, in the process (second transmission process) of transmitting the service data to the wireless air interface in the service host, the VXLAN packet processing is carried out on the service data through the wireless routing equipment; in the process of transmitting the service data in the wireless air interface to the service host, VXLAN unpacking processing is performed on the VXLAN message through the wireless routing equipment, so that the service host receives the actual service message of the corresponding service host, the processing of the service host on the wireless routing equipment in the whole process is non-inductive, and the processing efficiency of the wireless routing equipment is improved. The problem of service data transmission caused by MTU change when the VXLAN tunnel is introduced is effectively solved, and the network throughput is optimized at the same time.

Disclosed is a system (104) and a method (500) for stream-based packet processing in a communication network. The method comprises receiving values corresponding to a plurality of configuration parameters including a parsing unit count. The method further comprises receiving, from a network interface, a plurality of packets corresponding to one or more data streams based upon the values of the plurality of configuration parameters and forming one or more batches of the plurality of packets based on the values corresponding to the plurality of configuration parameters. The method further comprises retrieving the one or more batches stored in a shared memory based on the value of the parsing unit count. The method further comprises parsing the plurality of packets in the retrieved batches to extract protocol header fields and classifying, based on the parsing, the plurality of packets into parsed packets and unparsed packets to enable the stream-based packet processing.

The invention provides a fan tower inherent frequency abnormity identification method, a storage medium and electronic equipment, and belongs to the technical field of state monitoring and fault diagnosis of wind power generation equipment, and the method comprises the steps: S1, collecting an acceleration signal of a fan tower, and carrying out the preprocessing of the acceleration signal to eliminate a DC component; s2, performing grouping processing on the preprocessed acceleration signals, performing spectral analysis on each group of acceleration signals in sequence, and identifying alternative frequencies of each group in sequence in a preset frequency band; s3, storing the continuously obtained alternative frequencies by adopting a sliding window mechanism, removing abnormal values in a window based on a statistical anomaly detection method, and calculating to obtain an inherent frequency; and S4, comparing the inherent frequency with a reference inherent frequency, judging the health state of the tower drum structure according to whether the relative error exceeds a preset threshold value or not, and triggering a corresponding alarm. According to the method, the defects of a traditional peak value pickup method are overcome, and the credibility of a result obtained through real-time monitoring is higher.

A receiver node of a telecommunications system comprises interface circuitry and processor circuitry. The interface circuitry is configured to receive packets over a radio interface from a transmitter node of the telecommunications system. The processor circuitry is configured to make a determination that a packet is an obsolete packet. Methods of operating such nodes are also provided.