617 results about "Wide area network" patented technology

The invention relates to the technical field of software-defined wide area network data transmission, and discloses a software-defined wide area network data transmission method and system based on edge computing. According to the method, network state data are collected through distributed probes deployed at edge nodes, and a dynamic transmission path between the nodes is calculated after data cleaning and feature extraction. A collaborative filtering algorithm is utilized to analyze historical and real-time data to generate a transmission optimization strategy, and a fuzzy logic decision maker is combined to generate a dynamic routing strategy. And predicting a future congestion state based on network characteristics and a routing strategy, and adjusting flow scheduling parameters accordingly. And finally realizing visual display and time sequence storage of the network state data, the routing strategy and the scheduling parameters. The method can effectively reduce transmission delay and improve the utilization rate of network resources.

A system and associated methods provide solutions for end-to-end privacy and per-hop routing and policy decision in multi-hop and Software-Defined Wide Area Networks (SD-WANs) by leveraging unique SDWAN edge identities of edge devices. The system enables end-to-end encryption between traffic source and destination sites using IPsec ESP tunnel mode, with System IPs as the outer IP addresses. The system further enables per-hop integrity protection using IPsec AH transport mode, with WAN IPs as the outer IP addresses. By having some information encrypted between a source device and a destination device and other information encapsulated between hops (e.g., between source device and an intermediate device), the system enables route and policy lookup based on destination site System-IP, along with integrity protection based on SLA-class in packet metadata for independent path selection at intermediate hops.

The invention provides an edge calculation optimization method for a seawater parameter monitoring Internet of Things system, and belongs to the technical field of edge calculation, and the method comprises the steps: constructing a seawater parameter monitoring sensor network, and calculating an energy consumption evaluation reference value based on a data change rate and a disorder degree; performing feature extraction on the seawater parameter data; deploying a double-model collaborative architecture comprising a terminal lightweight model and a center complete model; setting a dynamic energy consumption threshold judgment mechanism to allocate calculation tasks; executing lightweight edge calculation at the sensing nodes; transmitting the processed data through a low-power wide area network; the calculation center verifies and fuses the data; constructing a seawater parameter space-time distribution model; dynamically adjusting an energy consumption evaluation reference value by using a Pareto optimal solution set method; and periodically evaluating system energy consumption efficiency and updating model parameters. According to the method, dynamic balance of energy consumption and calculation efficiency of the seawater parameter monitoring system is realized, and the continuous operation capability and the monitoring reliability of the system are remarkably improved.

Techniques are disclosed for computing a priority of routes advertised by nodes implementing Layer-3 (L3) Multi-Node High Availability (MNHA) for a Software-Defined Wide Area Network (SD-WAN) interconnecting a first network device and a second network device according to link adherence to performance requirements. In one example, a node computes a priority for a route to the second network device based at least in part on a comparison between (1) one or more performance measurements of a link between the node and the second network device and (2) one or more performance requirements for the link. In some examples, the computed priority for the route is further based in part on a preference for the node. The node exports, to the first network device, the route to the second network device, wherein the route comprises data specifying the computed priority for the route.

Systems and methods provide a LAN connected to a WAN, where each of a first queue for preferential network traffic and a second queue for non-preferential network traffic is provided at least in part by a second networking equipment associated with the WAN. The system may receive, via a user interface, input identifying a particular category of network traffic, wherein the received input causes network traffic corresponding to the particular category to be processed (e.g., delivered) using the first queue instead of the second queue. The system may, based at least in part on detecting, at the first networking equipment, that a portion of subsequent network traffic associated with a request by a device of the plurality of devices connected to the LAN corresponds to the particular category, transmit instructions to the second networking equipment to process the portion of subsequent network traffic using the first queue instead of the second queue.

Optimizing traffic routing operations in a two-box WLAN setup including a gateway device and a WAN adaptor device. The WAN adaptor device receives initial packets of a traffic flow from a client device, and sends the initial packets to the gateway device for slowpath (SP) processing. The gateway device creates fastpath (FP) processing rules for the traffic flow, including traffic modifications resulting from the SP processing, and sends the FP processing rules to the WAN adaptor device. The WAN adaptor device applies the FP processing rules to perform the traffic modifications on subsequent packets of the second traffic flow. The FP processing rules enable the WAN adaptor device to forward the subsequent packets of the traffic flow to the client device directly, without bridging to the gateway device for FP processing.

A system manages network traffic in a distributed system comprising a plurality of network devices. The network devices are divided into a plurality of network slices, each of the network slices including a subset of the network devices such that there is no overlap of network devices between the network slices. Individual network slices are associated with individual slice controllers, and an individual slice controller is configured to manage network routing of an individual network slice. Each of the individual slice controllers route the network traffic within each respective individual network slice. The network traffic is independently routed based on expected network conditions for each respective individual network slice, and data defining routing decisions is contained within each network slice to limit fault effects between the network slices.

The application discloses a network congestion control method and device based on fuzzy rules, and the method comprises the following steps: setting corresponding fuzzy rules according to network types, wherein the network types include a data center network and a wide area network; obtaining network parameters and performing fuzzy processing, fuzzy reasoning and defuzzification on the network parameters to obtain an adjustment factor ΔF, wherein the network parameters include a bandwidth utilization rate, an ECN marking rate and a queue length; obtaining the size of a current congestion window and adjusting the size of the congestion window in real time according to the adjustment factor ΔF; the steps of fuzzy processing and fuzzy reasoning further comprise detecting the current network type, and selecting corresponding fuzzy rules and dynamically adjusting the weight coefficients corresponding to each network parameter in the process of fuzzy reasoning according to the detected network type. The network congestion control method based on fuzzy rules can adjust the network congestion window in real time, realizes the intelligentization and automation of network congestion control, and improves the network management efficiency.

Systems and techniques are described for providing optimized vehicle-to-everything (V2X) safety messages over a wide area network (Uu) interface. For example, method for wireless communications may include receiving, by a network device, one or more first messages from one or more vehicles. Each of the first message(s) includes vehicle information associated with a respective vehicle of the vehicle(s). The method may include determining, at the network device, one or more recipient vehicles for one or more second messages based on at least a portion of the vehicle information from the first message(s) and characteristics associated with a respective recipient vehicle of the recipient vehicle(s). The method may include transmitting, at the network device, the second message(s) to the recipient vehicle(s).

The invention provides an electric field variation measuring method and system. The method comprises the following steps: installing a differential electric field sensor in an electric field variation to-be-measured area; collecting and preprocessing electric field change data of the electric field change quantity to-be-measured area based on a differential electric field sensor; based on the preprocessed electric field change data, an electric field change quantity distribution model is established, and a data analysis result is obtained; and generating an electric field variation monitoring report based on a data analysis result. The system comprises a differential electric field sensing module which is used for capturing an electric field change signal in an electric field change quantity to-be-measured area by adopting a differential electric field sensor; the high-precision data processing unit is used for receiving and preprocessing the electric field change signal to obtain electric field change data; the remote communication module is used for realizing real-time remote transmission of electric field change data by adopting a low-power wide area network technology or a wired communication mode; and the intelligent analysis platform is used for receiving the electric field change data, performing comprehensive analysis and generating an electric field change quantity monitoring report.

This application provides a method for secure message transmission, a method for negotiating IPsec SAs, and related apparatus, applicable to wide area networks (WANs). In scenarios spanning multiple tunnel segments, by extending BGP routing and based on VRF granularity, an IPsec SA for end-to-end security protection is negotiated between a first edge and a second edge. After the first edge securely protects VPN service messages based on the IPsec SA, it sends the messages through the overlay end-to-end tunnel between the first and second edges. The second edge processes the messages based on the IPsec SA to obtain the VPN service messages. In this application, security protection only needs to be performed once at the first edge; intermediate nodes do not require encryption / decryption processing, thus ensuring secure message transmission while improving transmission efficiency and reducing transmission latency.

This disclosure describes techniques for improving routing policy awareness in a network. The method includes detecting, by a controller, an application initiated for use at an edge node of a network. Then, generating, by an analytics engine coupled to the controller, analytical data of traffic flow at the edge node of the network wherein the traffic flow is in accordance with a routing policy for routing traffic associated with the application. Further, routing of the traffic through a path from one or more paths configured at the edge node that is in accordance with at least a Service Level Agreement (SLA) for traffic flow. Also, in response to an SLA violation during routing of the traffic, causing an action, by the controller, of routing traffic flow through another path that is in accordance with at least the SLA for traffic flow based on analytical data received of the traffic flow.

The invention relates to the technical field of large language models, in particular to a high-concurrency large language model high-speed reasoning deployment method, which comprises the following steps of: extracting a weight coefficient corresponding to a user identity identifier, an emergency degree numerical value mapped by a request type and a resource occupation value converted by an estimated calculation amount according to the user identity, the request type and the estimated calculation amount; according to the method, the dynamic priority is generated by performing comprehensive operation on the user identity, the request type and the estimated calculation amount, so that differentiated services for reasoning tasks are realized, interactive requests with high urgency degree can bypass batch processing tasks with long time consumption, the response delay and delay jitter of key services are reduced, and the user experience is improved. Meanwhile, according to the complexity of the request text and the geographic coordinates of the user, the task is intelligently routed to the model node with the most suitable scale in the distributed network, so that the wide area network transmission delay is greatly reduced through edge processing, and the computing power waste caused by using a super-large-scale model to process the simple task is also avoided.

A wireless communication tape, dispenser of the same and methods of usage of the wireless tape and the dispenser in asset tracking applications are disclosed. The wireless communication tape can be manufactured in an ultrathin form factor by laminating a stack of layers to impart functionality to the wireless communication tape. Methods of use and operation of the wireless communication tape are disclosed to save battery resources of the communication tape. The wireless communication tape may be used to form shipping labels that are thermally printed in a thermal printer and that include a 5G and Bluetooth communication capability to track a location of a package. Examples of 5G wireless protocols include the LPWAN protocols of NB-IoT and LTE-M.

Systems and methods for managing network services by an SD-WAN application and an SD-WAN device include a software-defined wide area network (SD-WAN) application executing on a client device detecting a presence of an SD-WAN device. The SD-WAN application establishes a connection between the SD-WAN application and the SD-WAN device. The SD-WAN application updates a configuration of the SD-WAN application, to cause the SD-WAN application to interoperate with the SD-WAN device for managing one or more network services.

Solutions are disclosed that enable capacity-aware local repair of tunnels in packet switched wide area networks (WANs). Traffic engineering agents on the routers are programmed to create the tunnels and include sets of primary and alternate tunnels sharing the same source and destination. A tunnel source router is provided a traffic split for allocating incoming traffic to its primary and alternate tunnels for when the primary tunnel is operating at or near full capacity operation, and another traffic split that shifts at least some traffic from the primary tunnel to the alternate tunnel, when the primary tunnel's capacity drops below a threshold. A tunnel may lose capacity for commonly-occurring reasons, such as a disturbance to cabling and faults in optical transceivers. Traffic engineering agents along the tunnel report capacity to the tunnel source router, permitting the network to respond to capacity changes more rapidly than waiting for network tunnel reconfiguration.

Some embodiments provide a method for implementing a software-defined private mobile network (SD-PMN) for an entity. At a physical location of the entity, the method deploys a first set of control plane components for the SD-PMN, the first set of control plane components including a security gateway, a user-plane function (UPF), an AMF (access and mobility management function), and an SMF (session management function). At an SD-WAN (software-defined wide area network) PoP (point of presence) belonging to a provider of the SD-PMN, the method deploys a second set of control plane components for the SD-PMN that includes a subscriber database that stores data associated with users of the SD-PMN. The method uses an SD-WAN edge router located at the physical location of the entity and a SD-WAN gateway located at the SD-WAN PoP to establish a connection from the physical location of the entity to the SD-WAN PoP.

This disclosure describes techniques and mechanisms for enabling and enforcing user behavior aware policies within an enterprise network. The techniques include receiving flow data and learning network traffic patterns and user behavior patterns of user(s) of the network. The techniques map user(s) to behavior group(s) based on forecast(s) and historical data of network conditions and / or user behavior patterns. The techniques monitor the flow data and dynamically re-map user(s) to new behavior group(s) based on real-time user behavior and / or real-time network conditions. Mapping(s) and / or updated mapping(s) and user behavior aware policies may be sent to edge device(s) for enforcement. The edge device(s) may dynamically prioritize a link, de-prioritize a link, block traffic, drop traffic etc. for user(s). The techniques may extend application aware and user aware routing policies to account for dynamic user behavior and network conditions, provide improved application experience and network utilization.

A method implemented by a first cloud gateway (GW). The method includes receiving, from a first customer premises edge device (CPE) over a software defined wide area network (SD-WAN) path, a data packet including an outer layer internet protocol (IP) header and a generic network virtualization encapsulation (GENEVE) header. The GENEVE header includes one or more sub-type length values (TLVs). The method also includes extracting a destination address from the one or more sub TLVs within the GENEVE header. And the method further comprises the steps of updating the destination IP address in the outer-layer IP header to the extracted destination address, and forwarding the data packet to a second CPE according to the updated destination IP address.

There is provided a wireless end-user device that includes a wireless wide area network (WWAN) modem to communicate Internet data with a WWAN, and one or more processors configured to pass, using an operating system packet network stack, Internet data packet traffic, including Internet data, between the WWAN modem and one or more applications being executed by the one or more processors, classify, using the application identification agent, each of individual flows of the Internet data packet traffic passing through the operating system packet network stack according to the one or more applications associated with each of the individual flows, measure, using a service measurement agent, for each of the classified individual flows, an amount of the Internet data packet traffic associated with each of the one or more applications, and apply, using a policy control agent, application-specific traffic policy controls to each of the classified individual flows.

The invention relates to a forwarding control method and device, equipment and a medium, and relates to the technical field of communication. The method comprises the following steps: receiving a target data packet sent by a target terminal through a first gigabit Ethernet media access controller GMAC; wherein the first GMAC corresponds to a local area network side; under the condition that the target data packet is a first type of data packet, forwarding the target data packet through a second GMAC based on the forwarding table; wherein the first type of data packets are data packets which do not need to be processed by an application program and are forwarded based on a basic network protocol; the second GMAC corresponds to a wide area network side; under the condition that the target data packet is the second type of data packet, processing the target data packet through the application program, and forwarding the target data packet through the second GMAC after processing; wherein the second type of data packets are data packets which need to be forwarded after being processed by the application program. By adopting the method, intelligent forwarding control of the data packet can be realized.

A communication method for an SD-WAN is provided. The method may include: A first node obtains SD-WAN overlay topology information; obtains a first SD-WAN overlay locator route advertised by a second node, where the first SD-WAN overlay locator route includes a first locator configured by the second node at an overlay layer; and obtains, based on the first SD-WAN overlay locator route and the SD-WAN overlay topology information, a software-defined wide area network overlay segment routing SD-WAN overlay SR BE path arriving at the second node.

A method for automatic redundant connections includes (1) receiving a first notification message indicating a problem with a primary wide area network (WAN) communication link serving a local area network and (2) in response to receiving the first notification message, establishing a first backup WAN communication link to serve the LAN, using a WAN communication link of a first user equipment device connected to the LAN. The WAN communication link of the first user equipment device is, for example, a wireless communication link.

The invention provides a CSQF-based wide area network mixed flow scheduling method and system and an electronic device, and the method combines the scheduling demands of a TT flow and an AVB flow through the reasonable division of a periodic resource block, guarantees that the timeliness requirement of the TT flow is satisfied, and provides a flexible bandwidth allocation strategy for the AVB flow. And a dynamic period scaling mechanism is introduced to adapt to the change of the network load, and conflicts among different traffic types are reduced through a sliding window preemption strategy, so that the overall scheduling effect of the mixed traffic is optimized.

The invention discloses an efficient data parallel training method in a high-delay low-bandwidth scene, and the method comprises the steps: constructing a communication-calculation tradeoff model based on a real-time network state through dynamic combined optimization of a gradient compression ratio and a delay step length, and carrying out the self-adaptive adjustment of parameters, so as to balance the precision and efficiency; an error feedback mechanism is used for compensating compression loss, and precision attenuation under the high compression rate is reduced; the synchronization frequency is controlled in combination with a delay gradient aggregation strategy, and calculation and communication parallelization is achieved; network conditions are periodically monitored, parameters are updated, and the cooperative defect of a traditional independent optimization strategy in a dynamic environment is overcome. Experiments show that under the conditions of 32 nodes, 100 Mbps bandwidth and 500 ms delay, compared with a D-SGD method and a DD-EF-SGD method, the training efficiency of the method is improved by 5.07 times and 1.24 times respectively, and the distributed training performance of communication limited scenes such as a cross-wide area network is remarkably optimized.

A multi-wide area network (WAN) incorporating both satellite-based communication networks and cellular networks (e.g., an LTE network) is disclosed. In one embodiment, the WAN is implemented with a communications framework comprising: an edge appliance comprising a satellite modem interconnect for coupling to a satellite modem external to the edge appliance, a cellular modem interconnect for coupling to a cellular modem external to the edge appliance, a switch coupled to the satellite and cellular modem interconnects, and a processing node coupled to the switch and comprising a router to switch traffic between the satellite modem interconnect and the cellular modem interconnect when the edge appliance communicates with a public data network using a satellite link or a terrestrial cellular link, respectively; and a connectivity platform configured for connection to the edge appliance, the connectivity platform comprising a broker / integrator component configured to operate as a broker and an integrator between the edge appliance and both connectivity service providers and business support systems that perform subscription management to enable the edge appliance access to the satellite and terrestrial cellular links.

The invention provides a safety monitoring and emergency rescue device for limited space operation and a use method thereof, and the device comprises an operator monitoring terminal which is used for monitoring operator body data and limited space environment data in real time; the wellhead communication gateway is fixedly arranged near the entrance and exit of the limited space and comprises a second microprocessor module, a long-distance wireless communication module and a wide area network communication module; the intelligent winch rescue device is used for carrying out rescue tasks; the remote monitoring platform is used for receiving, storing, analyzing and forwarding all monitoring data; by monitoring the environment, the vital signs and the motion state and introducing an intelligent rescue judgment algorithm, full-process automation from risk perception to rescue decision is realized, a rescue mechanism can be automatically triggered within an extremely short time after a danger occurs, the delay problem caused by the fact that a traditional system depends on manual judgment is solved, and the rescue efficiency is improved. Therefore, the emergency response speed and reliability of limited space operation are improved.

Example solutions for providing route aggregation as a service (RaaS) are disclosed. A RaaS server receives original routing tables from routers in a wide area network (WAN), aggregates the routes by identifying common prefixes, and returns more compact aggregated routing tables to the routers. The routers use the aggregated routing tables to efficiently route data traffic in the WAN. Multiple resiliency approaches are disclosed, in order to prevent the routers from flushing the aggregated routes in the event that the RaaS server experiences an outage and the border gateway protocol (BGP session between each router and the RaaS server is lost. Example resiliency measures includes the use of a long lived stale time (LLST), reaching a length of perhaps weeks, during which the routers continue to use the aggregated routing tables, and the use of mirroring the aggregated routing tables in other RaaS

The invention discloses a building flexible load regulation and control method, equipment and a medium, relates to the technical field of Internet of Things and intelligent control, and solves the problems of high communication cost and low response speed of an existing regulation and control method. The method comprises the following steps: acquiring environmental parameters and equipment operation data in a building, and transmitting the environmental parameters and the equipment operation data to an edge computing node through a low-power wide area network; the environmental parameters and the equipment operation data are preprocessed, logic judgment is conducted on the preprocessed data through a machine learning model, and a preliminary regulation and control instruction is generated; performing load prediction on the global information of the building and the preprocessed data abstract, generating a load optimization strategy, and issuing the load optimization strategy to an edge computing node; and regulating and controlling the preliminary regulation and control instruction according to a load optimization strategy to generate a final regulation and control instruction. Through a hierarchical architecture of edge computing and cloud collaboration, dual effects of fast local response and high global efficiency are obtained, and at the same time, low-cost control equipment is used to reduce deployment and communication costs.

The embodiment of the invention relates to the technical field of network communication, in particular to a data transmission system, and aims to improve the intelligent scheduling and optimization capability of network data transmission. The system comprises a client device, a wide area network software client and a point-to-point transmission protocol are configured in the client device, and the wide area network software client is matched with the point-to-point transmission protocol; a wide area network software controller and a point-to-point transmission protocol are configured in the relay server, the wide area network software controller is used for network strategy configuration, network real-time monitoring and network flow scheduling, and the wide area network software controller is matched with the point-to-point transmission protocol; the client device receives the network address sent by the relay server through the wide area network software client; and the client device sends data to a corresponding network address through the point-to-point transmission protocol so as to realize point-to-point data transmission between clients.