270 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.

Aspects of the subject disclosure may include, for example, determining whether a first device is communicating under a bandwidth surplus with a fixed network, wherein the bandwidth surplus results at least in part from use by the first device of one or more link aggregation groups, wherein the one or more link aggregation groups comprise one or more satellite broadband communication channels as well as licensed cellular wireless spectrum, unlicensed wireless spectrum, or a combination of the licensed cellular and unlicensed spectrum; determining whether a second device is communicating under a bandwidth deficit with the fixed network; and responsive to the first device communicating under the bandwidth surplus and responsive to the second device communicating under the bandwidth deficit, allocating at least a portion of the bandwidth surplus associated with the first device to the second device. Other embodiments are disclosed.

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 precision time protocol (PTP) runs on the peer switches in an MLAG domain. PTP messages received by one peer switch on an MLAG interface is selectively peer-forwarded to the other peer switch on the same MLAG interface in order to coordinate a synchronization session with a PTP node. The peer-forwarded messages inform one peer switch to be an active peer and the other peer switch to be an inactive peer so that timestamped messages during the synchronization session are exchanged only between the PTP node the active peer, and hence take the same data path.

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.

Aspects of the subject disclosure may include, for example, determining, by a wireless router or a wireless access point (WAP) associated with a fixed network connection, that a network condition is satisfied, based on the determining that the network condition is satisfied, detecting for available networks operating in licensed spectrum and available networks operating in unlicensed spectrum, responsive to the detecting, identifying a first available network operating in licensed spectrum and a second available network operating in unlicensed spectrum, and aggregating, in one or more link aggregation groups, a first connection established with the first available network and a second connection established with the second available network, thereby augmenting a network capacity of the fixed network connection. Other embodiments are disclosed.

A network device may identify a link aggregation group (LAG) of a plurality of links between the network device and another network device. The network device may identify link aggregation control protocol (LACP) parameters that were communicated by the network device and the other network device in association with the LAG. The network device may determine, based on the LACP parameters, a priority order of the plurality of links in the LAG. The network device may communicate with the other network device, and based on the priority order of the plurality of links of the LAG, one or more precision time protocol (PTP) messages via the LAG. For example, the network device may determine that a first link and a second link in the priority order are not available, and therefore may communicate the one or more PTP messages via a third link in the priority order.

Techniques are described for providing service level agreement performance in a link aggregation group computer networking environment. A performance measurement data packet such as a bi-directional forwarding detection (BFD) packet is received. The performance measuring data packet can be considered a parent performance measurement data packet is split into multiple child performance measurement data packets which are each different constituent links of a link aggregation database. The performance of each constituent is tested to determine which constituents satisfy service level agreement parameters. Data packets can then be sent to constituents that meet the data packet's service level agreement performance parameters while still allowing link aggregation grouping.

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.

The invention discloses a low-delay double-transmission optimization method and system based on an electric power 5G terminal, and belongs to the field of communication. The method comprises the following steps: installing and initializing double 5G communication modules in the electric power 5G terminal; after receiving a data frame, generating two identical copies, and uploading the copies to a core network concurrently through two 5G modules; the core network concurrently issues the data frame to a destination 5G terminal; the destination terminal selects an optimal frame through an arbitration mechanism and forwards the optimal frame to the service equipment; the system configures multi-link aggregation to improve the transmission rate, and optimizes the data frame distribution and receiving process; according to the system and the method, double-sending optimal selection is realized through the double 5G modules, the reliability and the real-time performance of data transmission are improved, the effectiveness and the safety of real-time services borne by an electric power communication network are guaranteed, and the system performance is verified through a card pulling test and a delay jitter test.

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 method and a device for a switch to automatically adapt to a Bonding mode of a server network card, relates to the technical field of server network cards, and aims to solve the problem that a link aggregation strategy at a current switch side is tedious in configuration, and adopts the scheme as follows: at a server side, network card binding is configured, and a suitable Bonding mode is selected; the method comprises the following steps: adding interfaces connected with a server into a link aggregation group on a switch, and ensuring that the interfaces are identified as a part of a server network card; after both the server and the switch are ready to carry out Bonding, the server and the switch exchange necessary configuration information by sending and receiving the AABDU, and the configuration information comprises a Bonding mode, an MAC (Media Access Control) address, a rate and duplex setting; the switch firstly determines the Bonding mode of the server side according to the received AABDU, and then automatically adjusts the link aggregation mode to match the setting of the server side. According to the invention, the intercommunication between the server Bonding and the access switch side link aggregation can be efficiently completed.

The invention discloses a flow optimization method, device and equipment for a multi-link aggregation group protocol peer-to-peer link and a storage medium, and relates to the technical field of flow control, and the flow optimization method for the multi-link aggregation group protocol peer-to-peer link comprises the steps: detecting target flow entering the multi-link aggregation group protocol peer-to-peer link; acquiring the flow type and the flow direction of the target flow, and determining the priority of the target flow according to the flow type and the flow direction; and acquiring a network load in real time, and determining a bandwidth allocation strategy according to the network load and the priority to complete flow optimization. According to the invention, the performance of the peer-to-peer link of the multi-link aggregation group protocol can be 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.

The invention relates to a core calling link topology generation method and device, equipment, a medium and a product. The method comprises the following steps of: aggregating calling links of the same service into a weighted directed graph according to calling times; generating a random network of the original call link directed graph based on the zero model, wherein the random network comprises nodes and edges which are the same as those of the original call link directed graph; comparing the edges in the weighted directed graph with the edges in the random network to obtain the percentile of the significance probability of each edge in the weighted directed graph in the whole random network; and filtering the edges in the weighted directed graph according to the percentile of the significance probability of each edge in the whole random network to obtain the core call link topology. Therefore, the core call chain topology can be mined from top to bottom, the dependency relationship of a service system is understood from the overall perspective by means of a backbone network, the call chain topology can be effectively extracted and simplified, and key services and main call paths are highlighted.

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.