988 results about "Wide area network" patented technology

A network management system (NMS) generates a hierarchical attribution graph representing different scopes at different hierarchical levels of a wide area network (WAN); obtains logical path down data indicative of operational behavior including failure events associated with logical paths of network devices over the WAN; obtains total path data indicative of a historical number of active logical paths between the network devices; and determines a scope of a logical path down issue by, for a time period of the logical path down issue, determining a score for each scope of the different scopes based on the logical path down data aggregated across the respective scope and the total path data, and determining the scope of the logical path down issue as a particular scope of the different scopes having a highest score. The NMS may identify the particular scope as a root cause of the logical path down issue.

A network management platform can include a configuration management database (CMDB), an IP address management (IPAM) network device, a network security platform, and a software-defined wide area network (SDWAN). The CMDB can be configured to store configuration data of endpoint devices. The IPAM can allocate IP addresses within the network. The network security platform can be configured to enforce policies and / or manage endpoint access. The SDWAN can be utilized to configure and / or control the endpoint devices.

The invention provides a method and a device for managing computing power identification and resource description based on a domain name system. Wherein the computing power identifier comprises a computing power node identifier and a computing power resource identifier, the computing power identifier is used for identifying basic static information of the computing power resource, and the resource description file is used for identifying dynamic description information of the computing power resource. According to the method, the computing power identification and the resource description information based on the domain name are fully utilized, and the domain name infrastructure, the related system and the operation mechanism are combined, so that compatible use of different types of computing power resource identifications can be realized, and meanwhile, the consistency and the accuracy of the computing power identification in the wide area network range are improved.

The invention relates to the field of distributed storage, in particular to an erasure code algorithm processing method for cold and hot fragmented data in a distributed storage system in a local area network or a wide area network, and solves the problems caused by using an erasure code algorithm to process cold and hot data in the prior art. The method comprises the steps of data block partitioning, a parameter strategy of data cold and hot judgment, a parameter strategy of node cold and hot judgment, data writing, an erasure code algorithm processing mechanism of different types of data, processing after erasure code algorithm processing, data cold and hot conversion processing and the like. Meanwhile, normal read-write performance is kept not affected by erasure code processing in the EC coding processing process, and the rationality of cold and hot data division in the distributed storage system is improved; layered storage and migration are performed according to cold and hot data, the read-write performance of distributed storage is considered, and the capacity utilization rate is increased; and the reliability, fault tolerance and performance of the storage system are improved.

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.

Techniques are described for predicting a wide area network (WAN) issue based on detection of service provider connection swapping. A cloud-based network management system (NMS) obtains connection event data for one or more network access server (NAS) devices at a site, where each event included in the connection event data comprises a connection or disconnection event of a connection session provided by a service provider. The NMS detects a number of connection swaps in the connection event data over a time window, where a connection swap includes a change from a first connection session provided by a first service provider to a second connection session provided by a second service provider. Based on the detected number of connection swaps satisfying a threshold, the NMS predicts a root cause of the connection swaps as a WAN issue and generates a notification of the predicted root cause of the connection swaps.

The invention discloses a software defined wide area network control method, and the method comprises the steps: receiving network state information for to-be-transmitted data through a first network composer, the network access points are node communication relations among an input network access point of to-be-transmitted data, a plurality of intermediate network access points and an output network access point and a plurality of performance indexes of corresponding node transmission links, and the intermediate network access points are network access points for realizing communication between the input network access point and the output network access point. Determining the minimum path communication cost of each transmission path for transmitting the data to be transmitted from the input network access point to the output network access point according to the node communication relationship and a plurality of performance indexes of the node transmission link; and determining the corresponding transmission path as a target transmission path for the to-be-transmitted data, and sending the target transmission path to the first network controller so as to control the corresponding network access point to realize transmission of the to-be-transmitted data according to the target transmission path.

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.

The invention discloses a collaborative resource scheduling method and system based on a programmable network. The method comprises the following steps: performing performance modeling on heterogeneous computing resource data in all computing resource data to obtain a uniform resource performance index; defining target computing resource data required by multi-dimensional resource demand services, and determining matching relationship information between each multi-dimensional resource demand service and the current computer cluster; in the deployment process, according to all the matching relation information, the correspondingly selected multi-dimensional resource demand service is deployed to each computer cluster; determining a shortest deployment path between the routing nodes in each computer cluster based on a Floyd algorithm; and in the actual scheduling process, executing the computing power arrangement scheme generated in the deployment process. According to the collaborative resource scheduling method and system based on the programmable network provided by the embodiment of the invention, the utilization rate of computing power resources in a wide area network can be improved, and a computing power scheduling strategy is dynamically generated.

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 particularly relates to a distributed boundary network threat flow detection method based on a GCN model, which comprises the following steps of: constructing a BGP network topological graph according to a business relationship of each autonomous system in a wide area network provided by an existing data set, endowing different weights to corresponding edges in the BGP network topological graph, and initializing node features; according to the acquired BGP network topological graph information, learning a BGP network topological graph by using a GCN model, performing graph node embedding and retaining key graph features; monitoring traffic path changes of a plurality of global routing convergent points, and detecting a path change mode with security threats in traffic by analyzing a path change difference score in real time; and summarizing abnormal traffic, associating the common prefix and the autonomous system, and giving an abnormal report. According to the method, the problems that information configuration is difficult to carry out and the model interpretability is poor during boundary network threat flow detection are solved, and meanwhile, the method has good real-time performance, interpretability and relatively high accuracy.

Systems and methods for vehicle diagnostic services utilizing a diagnostic server. The systems comprise a diagnostic server that is in data communication with a service tool and the vehicle communication interface (VCI) of a vehicle. The data communication may be accomplished using a wide area network (WAN). The diagnostic server acquires diagnostic data from the VCI and generates a diagnostic report for a user to utilizing during service actions of the vehicle. Some embodiments utilize an external gateway adapter to enable data communication between the diagnostic server and vehicles lacking a native function to interface with external devices or components across networks.

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.

An information handling system of an orchestrating Internet of Things (IoT) gateway executing a carbon dioxide (CO2) minimizing IoT edge gateway data processing orchestration system comprises a network interface device receiving processed IoT sensor data generated by alteration of unprocessed IoT sensor data via access point (AP) IoT servers executing a common data processing method, a processor executing code instructions to determine that an initial volume of CO2 emitted per unit of processed sensor data transferred from the AP IoT servers to a cloud platform, via the orchestrating IoT gateway in an enterprise wide area network, is greater than an adjusted volume of estimated CO2 that would be emitted per unit of data if the common data processing method were performed at the orchestrating IoT gateway instead of the AP IoT servers, and transmitting an instruction to cease execution of the common data processing method at the AP IoT servers.

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 embodiment of the invention provides a nurse station ward information collection method and system based on a wireless network. A flexible electronic skin network is integrated in a patient mattress, pressure and temperature data are captured through distributed piezoresistive units, a multi-modal thermodynamic diagram is generated, and data synchronization is achieved through a wireless ad hoc network protocol. And driving an air cushion bed actuator to perform gradient compensation according to a matching result of the pressure gradient track and the physiological parameters, transmitting a compressed hierarchical data packet to a nurse station gateway by adopting a remote wide area network protocol, reconstructing a three-dimensional pressure model and generating an early warning instruction. According to the technical scheme provided by the embodiment of the invention, the occurrence probability of health problems such as bedsore caused by long-time bed lying is remarkably reduced, and the nursing quality of the patient is improved.

Techniques are described for monitoring network performance and managing network faults in a computer network. A cloud-based network management system stores path data received from a plurality of network devices operating as network gateways for an enterprise network, the path data collected by each network device of the plurality of network devices for one or more logical paths of a physical interface from the network device over a wide area network (WAN). The network management system determines, based on the path data, one or more WAN link health assessments, wherein the one or more WAN link health assessments include a success or failure state associated with one or more of service provider reachability, physical interface operation, or logical path performance; and in response to determining the at least one failure state, outputs a notification including identification of a root cause of the at least one failure state.

The invention provides a cross-domain transaction concurrency control method based on a lake and warehouse fusion architecture, and relates to the technical field of transaction concurrency control. Each transaction is sent to a lake and warehouse server, and a global unique mark TID is allocated to each transaction based on a local clock; according to the cross-domain transaction concurrency control method based on the lake and warehouse fusion architecture, all transactions of all lake and warehouse servers in the current time period are sorted to obtain a global sequence, then conflict detection and transaction execution are carried out, and then submission verification is carried out to obtain a global snapshot table. Local lake and warehouse transactions do not need wide area network round-trip communication, cross-lake and warehouse transactions only need one round of wide area network round-trip communication, and the overall communication delay is reduced by one round. And meanwhile, the transaction division execution based on the time interval also enables the delay of the transaction to be shared by each transaction within one epoch, so that the average delay of the transaction is reduced. And the optimistic asynchronous execution and speculation reading strategies are used, so that the data visibility in the same epoch is improved.

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.