803 results about "Wide area network" patented technology

Systems and methods for facilitating traffic steering via an SRv6 network by SD-WAN CE nodes without requiring the SD-WAN CE nodes to have SRv6 routing capabilities is provided. According to one embodiment, an end-to-end SRv6 tunnel is established through the SRv6 network between a source SD-WAN CE node associated with a first LAN and a destination SD-WAN CE node associated with a second LAN. LAN-side traffic originated by the first LAN and destined for the second LAN is received by the source SD-WAN CE node. Based on the LAN-side traffic, the source SD-WAN CE node, may encapsulate the LAN-side traffic as payload of an IPv6 packet, including incorporating path information within an IPv6 SRH to instruct PE / P nodes of the SRv6 network how to steer the IPv6 packet through the SRv6 network. Forwarding the encapsulated LAN-side traffic by the SD-WAN CE node through the SRv6 network via the SRv6 tunnel.

A wearable electronic device, a system and methods of monitoring with a wearable electronic device. The device includes a hybrid wireless communication module with wireless communication sub-modules to selectively acquire location data from both indoor and outdoor sources, as well as a wireless communication sub-module to selectively transmit an LPWAN signal to provide location information based on the acquired data. The device may also include one or more sensors to collect one or more of environmental data, activity data and physiological data. The device may transmit some or all of its acquired data to a larger system, including a cloud-based server to, in addition to providing location-based data, be used as a part of a predictive health care protocol to correlate changes in acquired data to salient indicators of the health of a wearer of the device. In one form, the predictive health care protocol uses a machine learning model.

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 belongs to the field of passwords, and discloses an anti-quantum threshold digital signature method and system capable of tolerating high network delay. The method comprises the following steps: in a secret key generation stage, a trusted third party randomly selects a secret key and performs Shamir secret sharing on the secret key, and distributes a secret sharing value to each signer; in a distributed signature stage, each signer carries out packaging and secret sharing on a secret sharing value, a proving sub-circuit of a public key is operated based on a secure multi-party computing protocol, and each participant outputs a signature through two rounds of interaction. The anti-quantum threshold digital signature scheme has function interchangeability, that is, the signature generated by the threshold scheme and the signature generated by the original signature scheme can be verified by the same verification algorithm; meanwhile, the threshold digital signature scheme is efficient and achievable, and a threshold signature protocol in a scene of two parties of a wide area network only needs 2 seconds; moreover, the method has a better number of rounds, and the signature algorithm only needs two rounds.

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.

Techniques are disclosed for reporting diagnostics data by a first network device to a cloud-based Wide Area Network (WAN) assurance system, responsive to the first network device detecting a communication issue with the cloud-based WAN assurance system. For example, the first network device detects an issue with sending telemetry data to the cloud-based WAN assurance system via a first communication path. In response, the first network device determines a second network device that has connectivity to the WAN assurance system. The first network device sends diagnostics data to the second network device along a second communication path for forwarding to the cloud-based WAN assurance system. The cloud-based WAN assurance system receives the diagnostics data from the second network device. The cloud-based WAN assurance system controls the second network device to remediate the first network device based on the diagnostics data.

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 invention provides a network traffic early warning method, device and equipment, a storage medium and a program product, and relates to the technical field of big data, the network traffic early warning method comprises the following steps: obtaining real-time traffic data of a wide area network; inputting the real-time traffic data into a traffic prediction model to obtain predicted traffic data within a first duration after the current time output by the traffic prediction model; wherein the traffic prediction model is obtained by training historical traffic data of a wide area network; determining a broadband utilization rate alarm threshold within the first duration after the current time according to the historical traffic data and the predicted traffic data; and performing network flow early warning according to the real-time broadband utilization rate of the wide area network and the broadband utilization rate alarm threshold value. According to the invention, through the traffic prediction model, the predicted traffic data within the first duration after the current time can be predicted more accurately, and timely early warning of a data transmission link is realized.

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).

A system and method are provided for implementing a network component, such as a software-defined wide area network, a firewall, a router, or a load balancer. The network component can be an embedded network edge device that is implemented, e.g., in software, in circuitry, or using hardware acceleration (e.g., a data processing unit (DPU), a smart network interface card (SmartNIC), etc.). The system can include multiple dataplanes, including a primary dataplane and a shadow dataplane. A packet dispatcher relays received data packets to a primary dataplane and the shadow dataplane. The primary dataplane applies a current version of the network component to data packets, and the secondary dataplane applies a new version of the network component to identical replicas of the data packets. A control plane agent compares performance data gathered from the respective dataplanes to perform verification testing on the new version of the network component.

Embodiments described herein provide for system and methods to crowdsource the location of wireless devices and accessories that lack a connection to a wide area network. One embodiment provides for a data processing system configured to perform operations comprising loading a user interface on an electronic device, the user interface to enable the determination of a location of a wireless accessory that is associated with the electronic device, generating a set of public keys included within a signal broadcast by the wireless accessory, the signal broadcast during a first period, sending the set of public keys to a server with a request to return data that corresponds with a public key in the set of public keys, decrypting the location data using a private key associated with the public key, and processing the location data to determine a probable location for the wireless accessory.

The invention discloses a zero-carbon park land-air integrated inspection system, and the system comprises a function module which comprises an air inspection unit, a land inspection unit, a fixed sensing unit, an abnormality warning unit, an energy consumption management and cooperation unit, and a coordination control unit; the network transmission layer is used for transmitting inspection data in multiple aspects to a cloud database for storage through a 4G / 5G / wide area network, a LoPa gateway and a transmission protocol; and the sensing layer is used for monitoring the daily operation state in the park in real time through a camera, a fixed sensor, a positioning base station, an unmanned aerial vehicle and a land robot. According to the park inspection system, multiple terminal devices such as the land robot, the unmanned aerial vehicle and the fixed sensor are integrated, a multi-dimensional inspection network is constructed, all-dimensional inspection without dead corners in the park can be achieved, and the technical problem that an existing inspection method cannot meet the inspection standard of the zero-carbon park is solved.

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.

The invention provides a congestion control fairness compensation method for a wide-area RDMA (Remote Direct Memory Access) network. The system is composed of an active notification point PNP and a temporary response point TRP which are deployed on an external switch ESW connecting a DC and a WAN. When near-source congestion occurs, the switch marks congestion for the data packet, and the active notification point clears the congestion mark and actively sends a congestion notification packet CNP through the corresponding sending end; when a receiving end receives the data packet containing the congestion mark, responding to the congestion notification packet; the temporary reaction point checks the congestion notification packet, determines the severity of the congestion, and temporarily slows the corresponding cross-DC traffic before the sender begins to decelerate. Therefore, the congestion feedback signal is fed back in advance by using the programmable switch, the congestion feedback fairness of the new-source is ensured, the congestion feedback signal is responded in advance by using the programmable switch, the congestion response fairness of the new-source is ensured, and finally, the fairness in the wide-area RDMA network is maintained, and the overall network performance is improved.

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.

The technical solutions can provide a timely and consistent monitoring of SD-WAN by combining network topology data acquired via API calls with SD-WAN performance data gathered from one or more network communication protocols. A solution can include a system, having one or more processors coupled with memory to receive, responsive to BFD monitoring, BFD session data in a first format. The BFD session data can correspond to a tunnel between devices of a SD-WAN. The one or more processors can receive, responsive to IPFIX monitoring, flow metrics in a second format, the flow metrics corresponding to one or more flows of a network traffic traversing the tunnel. The one or more processors can aggregate the BFD session data and the flow metrics into aggregated metrics according to a third format and determine an action to take based at least on the aggregated metrics in the third format.

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.

The invention discloses a network congestion control method and device based on a fuzzy rule, and the method comprises the following steps: setting a corresponding fuzzy rule according to network types which comprise a data center network and a wide area network; network parameters are obtained, fuzzification processing, fuzzy reasoning and defuzzification are carried out on the network parameters, an adjustment factor delta F is obtained, and the network parameters comprise the bandwidth utilization rate, the ECN marking rate and the queue length; obtaining the size of the current congestion window, and adjusting the size of the congestion window in real time according to the delta F; a current network type is detected between the fuzzification processing step and the fuzzy reasoning step, a corresponding fuzzy rule is selected according to the detected network type in the fuzzy reasoning process, and a weight coefficient corresponding to each network parameter is dynamically adjusted. According to the network congestion control method based on the fuzzy rule, the network congestion window can be adjusted in real time, intelligence and automation of network congestion control are achieved, and the network management efficiency is improved.

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.

The invention relates to the technical field of multi-network connection, in particular to a Raman optical fiber amplifier remote monitoring system based on multi-network connection. Multiple different network connection modes are achieved through the multiple network connection units, flexible transmission and remote monitoring of data are achieved, a proper network interface can be automatically selected for data transmission according to the current network environment, and the flexibility and stability of network connection are guaranteed. According to the method for packaging the data frames of the different network media on the data link layer, the integrity and effectiveness of the data on the different transmission media are ensured, the system complexity is reduced, and the data transmission efficiency and the system response speed are improved. Especially in a multi-network connection environment, the optimized data link layer processing module can effectively reduce data delay and improve the real-time monitoring capability of the system. Wide area network transmission of data is realized through an MQTT protocol, and safe transmission and real-time monitoring of remote data are ensured.

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.

The utility model provides a double-link communication system which comprises a terminal router deployed at a data acquisition end, a switch and a public network router, the switch and the public network router are deployed at a data management end, and the switch can be in communication connection with the terminal router through a local area network to construct a local area network communication link. The public network router is in communication connection with the terminal router through a wide area network to construct a wide area network communication link, so that the data management end and the data acquisition end can execute industrial control data transmission through any communication link, and automatic hot standby switching between different communication links can be realized; therefore, the stability, reliability and safety of industrial data transmission between ends are ensured, and the method has the advantage of low hardware erection cost.

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.