213 results about "Link aggregation" patented technology

The invention provides a file high-speed transmission method based on multi-link aggregation, and solves the problems of low transmission efficiency and insufficient stability of a traditional single link. The method comprises the following steps: detecting network link performance parameters, and screening available links; according to the number of links, the average bandwidth and # imgabs0 # limitation, dynamically segmenting a large file into adaptive data blocks, numbering the data blocks, and adding information such as a position to a head; an improved dynamic load balancing algorithm is adopted, link quality (including bandwidth utilization rate, delay, packet loss rate, stability and dynamic adjustment of weight along with a network environment) and data block priority (distinguished according to types and sizes and the weight is adjusted according to file characteristics) are synthesized, data blocks are distributed to different links for parallel transmission, and pre-distribution verification ensures link load safety; and recombining the data blocks by the receiving end according to the numbers to realize file recovery. The system significantly improves the transmission efficiency through multi-link aggregation and dynamic strategy adjustment.

The invention discloses a cloud collaborative docking station multi-link aggregation optimization method and system, and relates to the related field of data communication networks, and the method comprises the steps: a docking station collects state parameters of available network links in real time, carries out the application-level task recognition of a data flow, and obtains task features; uploading the link state parameters and the task features to a cloud control platform for link scheduling strategy analysis, and generating a link scheduling strategy; the edge agent completes decomposition processing of the task data according to a strategy to generate a task data packet; and the execution hardware performs aggregation according to link selection, fragmentation and scheduling strategies, records task completion quality, link performance and user experience indexes through the docking station, and returns the task completion quality, the link performance and the user experience indexes to the cloud control platform for iterative optimization. The technical problems of insufficient utilization of link resources, low data transmission efficiency and poor user experience in existing docking station multi-link aggregation optimization are solved, and the technical effects of fully utilizing the link resources and improving the data transmission efficiency and the user experience are achieved.

The invention relates to the technical field of mobile communication transmission, and discloses a heterogeneous network multilink parallel mobile communication transmission method and system. A dynamic link aggregation module of the system collects link state parameters including signal strength, delay jitter and packet loss rate from a plurality of heterogeneous network interfaces in real time; a flow distribution decision module calculates available bandwidth weight of each link according to the data and generates a dynamic flow distribution strategy; the data fragment packaging module splits to-be-transmitted data into a plurality of data fragments according to the strategy, and adds a sequence identifier and a link identifier to each fragment; the multi-channel concurrent transmission module sends corresponding data fragments in parallel through a specified heterogeneous network link; and the receiving recombination verification module sorts the recombination data fragments according to the sequence identifiers, and detects the data integrity through a verification mechanism. According to the system, a set of complete multi-link parallel transmission solution is formed, and the problems existing in a traditional single link and an existing multi-link transmission technology can be effectively solved.

The invention relates to the technical field of intelligent power grid management, in particular to a typhoon prediction and power grid maintenance system based on digital twinning and AI cooperation, which comprises a typhoon path evolution module, a power grid vulnerability mapping module, a risk link aggregation module, a maintenance strategy calibration module and a multi-stage maintenance tracking module. According to the method, through dynamic environment parameter extraction and path deviation trend analysis, continuous evolution judgment of a typhoon influence area can be realized, the problem of insufficient change capture of static prediction is solved, fine description and dynamic identification of a vulnerable part are realized, and through node connection relation induction and load intensity partitioning, a typhoon influence area can be identified. A risk link is identified and a potential fault chain is structurally presented; resource configuration and risk priority dynamic comparative analysis are maintained; a deployment logic can be calibrated; a task sequence is ensured to be consistent with a risk level; and the response efficiency and the scheduling accuracy are improved.

The invention discloses a rail transit multi-network integration method based on a digital trunking technology, relates to the technical field of communication, and aims to solve the problem that a traditional narrowband trunking system cannot meet the requirements of voice and data comprehensive bearing and vehicle-ground large-bandwidth service real-time transmission. The method comprises the following steps: constructing a time division duplex long-term evolution broadband digital trunking unified bearing platform; an intermediate media access control layer fusion architecture is deployed, and seamless mobility management of the heterogeneous network is realized through unified authentication and multi-link aggregation; an intelligent vertical switching algorithm based on prediction and multi-criterion decision is introduced, a bidirectional long-short-term memory network model is utilized to predict a network state trend, and an improved entropy weight method and an analytic hierarchy process are combined to dynamically select an optimal access network according to service requirements. According to the invention, the network operation efficiency and the user experience can be obviously improved, and high reliability and high service quality of the rail transit communication system are ensured.

The invention discloses a security knowledge graph construction method and system based on behavior tracks, and relates to the technical field of network security. The method comprises the following steps: carrying out operation link aggregation according to user operation records to obtain a standardized behavior track chain; calling and accessing heterogeneous behavior trajectory data by taking the standardized behavior trajectory chain as a constraint to obtain multi-source behavior trajectory data; decomposing the standardized behavior track chain to obtain a link node time sequence operation relation and M link nodes; performing time sequence dependence modeling based on the graph convolutional network to generate a security knowledge graph; decomposing the multi-source behavior track data according to the M link nodes to obtain M pieces of multi-source behavior node data; and taking the M multi-source behavior node data as training data, and executing local parameter adaptive optimization of the security knowledge graph through a meta-learning framework. The technical problem of insufficient adaptability of the knowledge security graph in the prior art is solved, and the technical effect of dynamic adaptive optimization of the security knowledge graph is realized.

The present disclosure relates to energy optimization for links aggregated groups. An apparatus hosted inside a network device is disclosed to coordinate multiple LAGs to turn on / off components of the network device. The apparatus is adapted to decide which components to turn on / off based on a device layout of the network device and coordinate the decision with neighbor network device(s). Thanks to the use of the device layout, a more informed energy optimization decision can be taken. To this end, the apparatus obtains an energy profile of the network device. The energy profile comprises the device layout and energy consumption information associated with each component of the network device. The apparatus further obtains traffic information of the multiple LAGs and optimizes the energy consumption based on the device layout and traffic information. The optimization decision may be coordinated with neighbor network device(s).

The invention discloses a cross-switch access authentication method for multi-network-port link aggregation, and solves the problems that the existing cross-switch aggregation depends on an LACP (Link Aggregation Control Protocol) or a manufacturer private protocol, the interoperability is poor and a single-point fault occurs. The system comprises a host and a switch, the host is provided with an authentication client, a logic aggregation interface, a physical interface, a state recording and retry module and a data transmission module, and the switch is provided with an access control module. According to the method, a plurality of physical interfaces are aggregated into a logic interface bond0 through static configuration at a host end, and a service IP is configured; and independently operating an authentication client on each physical interface, executing EAP-TLS authentication, and sending a message from the corresponding interface. The interface state is recorded during initialization, if an unauthenticated interface is found, retry is immediately carried out, and meanwhile forwarding of other authenticated links is kept; when the link or the switch fails, the bond0 is automatically switched to other effective links; when the authentication session expires, the host initiates re-authentication, ensuring session continuity.

A device, such as an I / O device, includes one or more ports to couple to one or more other devices, such as host devices, over two or more links, where the one or more ports include protocol circuitry to: implement a plurality of different link protocols, implement an aggregated link of the two or more links to couple to a given one of the one or more other devices, and manage a protocol resource based on the aggregated link.

The invention provides a cloud side end collaborative cross-domain data transmission system and method, and relates to the field of data processing, and the method comprises the steps: based on the collaboration of a cloud center, an edge node and an equipment end, the cloud center carries out the fragmentation of to-be-issued transmission data to obtain a first data fragment, and carries out the recombination of an uploaded second data fragment; the edge node dynamically selects the optimal transmission path of the data fragments and schedules the transmission of the data fragments; and the device end fragments to-be-uploaded transmission data to obtain a second data fragment, and recombines the first data fragment. The system and the method provided by the invention are suitable for a heterogeneous network, and the data transmission efficiency is greatly improved by performing fragmentation processing on the transmission data and combining a priority transmission mechanism; by dynamically selecting the optimal transmission path of the data fragments, multi-link aggregation is realized, the throughput under multiple network scenes is greatly improved compared with a traditional scheme, and self-adaption of a heterogeneous network can be realized.

The invention relates to an intelligent ship network optimization method, system and device based on multi-link convergence and a medium. The method comprises the following steps: firstly, acquiring multi-network link connection parameters of the intelligent ship, constructing an adaptive environment, modifying a protocol stack, and integrating a physical link into a virtual link to realize resource convergence; and based on the real-time parameters of the virtual link and the physical link, dynamically distributing traffic by adopting an improved aggregation protocol, and generating a load balancing scheme. And then, regularly sending a detection packet quality index, and predicting a link quality trend in combination with historical data and navigation longitude and latitude. And finally, dynamically adjusting flow distribution according to a prediction result, an application real-time demand, a bandwidth demand and a current position tariff characteristic, and generating a ship-shore communication scheme considering both efficiency and cost. By adopting the method, the stability, reliability and economy of ship-shore communication of the intelligent ship can be effectively enhanced, and the method is suitable for multi-scene network monitoring optimization.

Aspects of the subject disclosure may include, for example, determining whether a bandwidth deficit exists in association with communications of a device, resulting in a first determination; responsive to the first determination being that the bandwidth deficit exists, communicating with a server to determine whether the device can participate in a link aggregation group (LAG), resulting in a second determination, wherein the communicating with the server comprises sending to the server a unique identifier, and wherein the second determination is based at least in part upon the unique identifier; responsive to the second determination being that the device can participate in the LAG, identifying a source of available bandwidth; and using the unique identifier to track bandwidth provided to the device via the source of available bandwidth. Other embodiments are disclosed.

The invention provides a redundant network communication device for a high-speed ship, which belongs to the technical field of communication networks and comprises a redundant link aggregation module for interconnecting network switching devices through a preset number of optical fibers to form a stacking system and enabling an LACP (Link Aggregation Control Protocol) to bind the preset number of optical fibers into a logic aggregation channel; the double-rule terminal access module is used for configuring a network card for each user terminal based on the logic aggregation channel and the stacking system and respectively connecting the network card to the network switching equipment to obtain a double-rule access channel; the intelligent routing control module is used for generating a network topological graph based on the physical connection relationship between all the user terminals and the network switching equipment, and generating a static VLAN interface routing strategy based on the network topological graph; and the security protection execution module is used for implementing a security triple mechanism on the logic aggregation channel based on a static VLAN interface routing strategy. According to the invention, the network configuration can be automatically adjusted according to the link state and the network topology change, the bandwidth allocation is optimized, and the reliability and security of network communication are improved.

The embodiment of the invention discloses an SDP gateway access authentication data transmission method based on multi-link aggregation, which is characterized in that an SDP architecture and a multi-link aggregation technology are deeply fused, link quality evaluation and dynamic binding are completed in a bidirectional authentication stage, and data fragmentation encryption transmission is realized based on service requirements and security scores. According to the method, cross-link redundancy check and millisecond fault switching are supported, the problems of single-point fault, low bandwidth utilization rate and insufficient safety protection in a traditional scheme are solved, and the reliability, the safety and the efficiency of data transmission are remarkably improved.

The invention discloses a visual interface display method and system for medical communication, and belongs to the technical field of medical communication visualization. The method comprises the following steps: acquiring an operation type, calling a corresponding scene template, synchronizing an image, completing three-dimensional reconstruction and generating an interactive anatomical model; main view real-time rendering is carried out, multi-dimensional data linkage display is realized, and a remote connection signal is obtained; when the remote connection is successful, allowing an expert to label the anatomical model; when abnormity is detected, risk early warning is triggered; calculating a network quality index, performing weighted calculation, and generating a network quality score; when the network quality score does not meet the communication condition, key anatomical feature points are extracted, and feature vectors are generated; traversing a feature database of the anatomical model, and matching with the feature vectors; positioning a focus area in the main view field, and executing area replacement logic; calling a medical network topology library, and screening alternative networks; and when no single network in the topological structure meets the requirement, starting a link aggregation mechanism.

The invention discloses a municipal road surface intelligent inspection method and system based on an unmanned aerial vehicle array, and the method comprises the steps: constructing a municipal digital twin base, fusing multi-source data, and carrying out the preliminary screening of diseases through a convolutional neural network; a quantum key and elliptic curve encryption mixed mode is adopted to perform data security enhanced transmission; obtaining the position of a relay node of the unmanned aerial vehicle based on an edge computing node, and constructing a microwave link through multi-module cooperation; measuring link quality, and dynamically planning an unmanned aerial vehicle inspection array; a three-level intelligent diagnosis system is constructed based on multi-algorithm coupling, and disease diagnosis is carried out; evaluating the inspection result, and updating the inspection scheme. According to the invention, rapid routing inspection is carried out through the unmanned aerial vehicle array, data transmission safety is guaranteed by adopting an encryption technology, transmission reliability is improved by dynamic link aggregation, a routing inspection scheme is dynamically adjusted, a routing inspection path and the unmanned aerial vehicle array are automatically optimized, a virtuous circle is formed, and intelligent development of municipal road routing inspection is promoted.

The invention discloses a data processing method and device based on an address resolution message, a computer readable medium, electronic equipment and a computer program product. A specific embodiment of the method comprises the following steps: according to a destination network address of an address resolution message received by a first gateway device, determining whether a link aggregation group where the first gateway device is located comprises a second gateway device which needs to receive the address resolution message, the link aggregation group comprises a plurality of gateway devices which are connected with the same network terminal device; in response to the determination, according to parameter configuration data of a second gateway device in a gateway mutual assistance protocol, the address resolution message is packaged to obtain a first packaging message, and the gateway mutual assistance protocol comprises respective parameter configuration data of a plurality of gateway devices in the link aggregation group; and the first packaging message is sent to the second gateway equipment, so that the second gateway equipment updates state data of a first interface according to the first packaging message, and the first interface is an interface for sending the address resolution message on the network terminal equipment. According to the invention, by modifying the communication mechanism of the gateway device, on the basis of ensuring the state data synchronization, extra performance overhead and bandwidth loss brought to the network terminal device are avoided.

The invention discloses a link aggregation control protocol function test method and device, equipment and a storage medium, and relates to the technical field of network communication, and the method comprises the steps: obtaining network state data; generating a dynamic test message according to the network state data; performing a function test according to the dynamic test message to obtain multi-dimensional performance data, the multi-dimensional performance data including physical layer parameters, dynamic performance data and network performance indexes; and comprehensively analyzing the multi-dimensional performance data according to a preset evaluation strategy. Through automatic testing and multi-dimensional performance evaluation, comprehensive testing of the link aggregation control protocol function is completed, the technical problem that an existing testing method is low in accuracy and efficiency is solved, and reliability and comprehensiveness of link aggregation control protocol function testing are improved.

The invention discloses a multi-link aggregated cloud native network system and a flow scheduling method. The system comprises an application sensing layer, a virtual link layer and a physical link layer, the application sensing layer is connected with the virtual link layer and used for analyzing network traffic to be distributed to obtain features of the network traffic, and the features comprise traffic types, priorities and bandwidth requirements; the virtual link layer is connected with the physical link layer, and is used for detecting the states of the plurality of links to obtain the state information of the plurality of links, and determining the flow distribution strategy of the plurality of links based on the characteristics and the state information; and the physical link layer is used for carrying out flow distribution on the plurality of links based on the flow distribution strategy. According to the invention, the technical problem that the traditional cloud native network depends on single link transmission, so that network congestion is easy to occur when the service flow is increased sharply is solved.

The invention relates to a communication link aggregation method and device of an emergency dispatching vehicle, and belongs to the technical field of emergency communication, and the communication link aggregation method of the emergency dispatching vehicle comprises the following steps: obtaining real-time multi-modal data of the emergency dispatching vehicle, the real-time multi-modal data comprising network parameters, environment data and task metadata; the real-time multi-modal data is used as input of a communication link aggregation model, a communication link aggregation result is determined based on output of the communication link aggregation model, and the communication link aggregation result comprises a selection result of a main link, a bandwidth proportion of each communication link and a priority ranking result of standby links; wherein the communication link aggregation model is constructed on the basis of a Transform architecture, importance weights are allocated to the input parameters on the basis of a self-attention mechanism, and the self-attention mechanism is determined according to the influence degree between the multi-modal data. According to the invention, the high-reliability communication requirement of the emergency dispatching vehicle in an emergency scene is effectively ensured.

Methods, systems, and devices for wireless communication are described. A wireless device may identify an aggregation capability to communicate in parallel over a plurality of wireless links. The wireless device may in some cases broadcast this aggregation capability (e.g., periodically). Additionally or alternatively, the wireless device may transmit the aggregation capability in response to a request received from another wireless device. In some cases, the first wireless device may transmit a request to a second wireless device inquiring about aggregation capabilities of the second wireless device. The second wireless device may respond with its aggregation capabilities (e.g., or may broadcast its aggregation capabilities independently of receiving the response). The wireless devices may establish a multi-link session based at least in part on the indicated aggregation capabilities.

Systems and methods for allowing network devices in an Ethernet Segment(ES) Link Aggregation Group (LAG) to independently perform a deterministic designated forwarder determination. Only one of the devices in the LAG will determine that it is the designated forwarder for the LAG, while the remaining devices will determine that they are not the designated forwarder for the LAG. The device that determines it is the designated forwarder may enable (or maintain) a link to a particular network device while all other devices in the LAG that make the determination they are not the designated forwarder may disable a link to that particular network device.

A network device is provided. During operation, the network device receives control information associated with a control protocol running on a multi-chassis link aggregation group (MC-LAG) from a first link coupling a second network device of the MC-LAG. The network device determines whether the second network device is operational via a second link, which is separate from the first link. The network device determines a split in the MC-LAG in response to determining the unavailability of the first link and the availability of the second network device via the second link. The network device checks a set of selection conditions in a predetermined order based on respective sets of operational information associated with the network device and the second network device. The network device then selects the second network device for forwarding traffic of the MC-LAG in response to the set of selection conditions indicating the second network device.

An electronic device according to one embodiment may comprise one or more wireless communication modules for transmitting and receiving a wireless signal. The electronic device may comprise: one or more processors operatively connected to the wireless communication module; and a memory including instructions. When executed individually or collectively by the one or more processors, the instructions can cause the electronic device to: receive, for links associated through link aggregation, from the wireless communication module, characteristics of data to be transmitted through the links and characteristics of channels used by the links; calculate aggregation gain and aggregation loss on the basis of the characteristics of the data and the characteristics of the channels; and cause the wireless communication module to adaptively trigger multi-link aggregation of the links on the basis of a comparison result of the aggregation gain and the aggregation loss.

The application provides a resilient packet ring message forwarding method and device. The method comprises the following steps: receiving a cross-device link aggregation announcement message through a resilient packet ring network; allocating a RPR cross-device link aggregation identifier for a RPR MAC address of a member node carried by the cross-device link aggregation announcement message; receiving an Ethernet unicast message; when a destination MAC address of the received Ethernet unicast message corresponds to a RPR cross-device link aggregation identifier; performing hash calculation according to the Ethernet unicast message, taking a RPR MAC address of a member node corresponding to a result of the hash calculation as a destination RPR MAC address, taking a RPR MAC address of the current node as a source RPR MAC address, and encapsulating the received Ethernet unicast message into a RPR unicast message; and sending the RPR unicast message through an out port of a shortest RPR path reaching the destination RPR MAC address of the RPR unicast message.

The invention relates to a multi-link aggregation transmission method and system for a group full-duplex call system, and the method comprises the steps: receiving a network audio data packet of a server through a network protocol stack according to a public network, carrying out the deblocking of the network audio data packet, and transmitting the network audio data obtained through the deblocking to a data fusion module; receiving a wireless audio data packet of a neighbor node arranged in the ad hoc network through a wireless protocol stack according to the ad hoc network, performing deblocking processing on the wireless audio data packet, and transmitting the wireless audio data obtained by the deblocking processing to a data fusion module; and the data fusion module performs adaptive dynamic merging processing on the network audio data and the wireless audio data according to an operation mode to obtain merged data, and transmits the merged data to an audio decoding module. Full-duplex communication can be realized through multi-link transmission, communication can be carried out in an area without base station coverage, and reliable communication can be realized under the condition of strong interference.

Current data center deployments, particularly layer 2 (L2) deployments that use multi-chassis link aggregation group (MC-LAG) implementations, have limitations. Such deployments use a link, known as an inter-node link (INL) / inter-chassis link (ICL), to connect peer information handling system nodes. Because the peer nodes are coupled together via one or more INL connections, there are fewer ports available for each peer node to connect to end nodes. This configuration creates limitations to bandwidth and scaling, and also increases costs. Embodiments herein allow for the elimination of INLs by moving forwarding decisions to the spine node level. In one or more embodiments, a spine node determines ports to reach dual-homed, single-homed, and orphaned nodes that are connected to leaf node(s) based on information learned from the leaf nodes. For a leaf node, a sub-LAG (link aggregation group) may be created to reach single-homed / orphaned nodes connected to the leaf node.

The invention discloses a testing method for a railway transformation passenger car network system and related equipment, and relates to the field of railway network testing. Comprising the following steps: constructing a rack structure for installing network equipment and terminal equipment on a test bed, configuring a multi-path power supply output module and a network access module, and establishing a multi-path power supply module according to business requirements of transformation of a passenger car, and determining a switch cascade mode, port configuration, VLAN division and a link redundancy strategy according to a preset network parameter design rule. And the configuration file is loaded in the control terminal, the network equipment is automatically acquired, the configuration is issued in batches, and the initialization of the network system is realized. Through single-vehicle function testing and networking comprehensive testing under the condition of simulating whole-column marshalling, network stability is verified in the processes of link aggregation, link failure and switching between a satellite link and a base station link. And simulating a straddle train connection relationship through the marshalling simulation assembly, and optimizing network configuration parameters according to a test result.

An embodiment of the present application provides an asymmetric link aggregation device, an aggregation management method, and a link aggregation method, which relate to the field of data security technology. The device includes a switching mechanism, which is set as the active end, connected to a node through a port in a link aggregation manner, and periodically sends a detection status LACPDU to the node; a plurality of nodes, which are set as the passive end, and the number of the nodes is set to the maximum number of nodes that can be accommodated. The node replies to the switching mechanism with an LACPDU and starts a negotiation process. The node is set as an active port and has the function of sending and receiving service packets, realizing asymmetric link aggregation management across multiple nodes, simplifying the system, dynamically adjusting the active and inactive states of the link, realizing flexible deployment, and solving the problems of high complexity and inflexible use of the existing method.

The present disclosure provides a data transmission method, device, equipment and storage medium, which comprises the following steps: obtaining initial configuration parameters of at least a first network link for communication with a user terminal; determining target network link configuration parameters based on the initial configuration parameters of the at least first network link, wherein the target network link comprises a second network link for communication with the user terminal; and reconfiguring configuration parameters of at least the second network link based on the target network link configuration parameters, so that the user terminal can receive data transmitted by the network terminal based on aggregation of the first network link and the second network link, and the unified scheduling and synchronization problems of communication of each link can be ensured.