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    Programmable diagnosis model for correlation of network events
    11.
    发明授权
    Programmable diagnosis model for correlation of network events 有权

    公开(公告)号：US11533215B2

    公开(公告)日：2022-12-20

    申请号：US16821745

    申请日：2020-03-17

    Applicant: Juniper Networks, Inc.

    Inventor： Jayanthi R ,  Chandrasekhar A ,  Javier Antich ,  Sri Sampath Mallipudi ,  Premchandar N ,  Harsha Lakshmikanth ,  Gregory A. Sidebottom ,  Zhifei Fang

    IPC: H04L41/0631 ,  H04L41/0604 ,  H04L43/16 ,  H04L41/0806 ,  H04L43/0823 ,  H04L41/22

    Abstract: Network management techniques are described. A controller device of this disclosure manages a device group of a network. The controller device includes processing circuitry in communication with the memory, the processing circuitry being configured to receive, using a programmable diagnosis service executed by the processing circuitry, a programming input, to form, using the programmable diagnosis service, based on the programming input, a resource definition graph that models interdependencies between a plurality of resources supported by the device group, to detect, using the programmable diagnosis service, an event affecting a first resource of the plurality of resources, and to identify, using the programmable diagnosis service, based on the interdependencies modeled in the resource definition graph formed based on the programming input, a root cause event that caused the event affecting the first resource, the root cause event occurring at a second resource of the plurality of resources.

    FAILURE IMPACT ANALYSIS OF NETWORK EVENTS
    12.
    发明申请
    FAILURE IMPACT ANALYSIS OF NETWORK EVENTS 有权

    公开(公告)号：US20220179726A1

    公开(公告)日：2022-06-09

    申请号：US17652096

    申请日：2022-02-22

    Applicant: Juniper Networks, Inc.

    Inventor： Jayanthi R ,  Javier Antich ,  Chandrasekhar A

    IPC: G06F11/07 ,  H04L41/14 ,  H04L41/22

    Abstract: Failure impact analysis (or “impact analysis”) is a process that involves identifying effects of a network event that are may or will results from the network event. In one example, this disclosure describes a method that includes generating, by a control system managing a resource group, a resource graph that models resource and event dependencies between a plurality of resources within the resource group; detecting, by the control system, a first event affecting a first resource of the plurality of resources, wherein the first event is a network event; and identifying, by the control system and based on the dependencies modeled by the resource graph, a second resource that is expected to be affected by the first event.

    Failure impact analysis of network events
    13.
    发明授权
    Failure impact analysis of network events 有权

    公开(公告)号：US11269711B2

    公开(公告)日：2022-03-08

    申请号：US16946994

    申请日：2020-07-14

    Applicant: Juniper Networks, Inc.

    Inventor： Jayanthi R ,  Javier Antich ,  Chandrasekhar A

    IPC: G06F11/07 ,  H04L12/24 ,  H04L41/22 ,  H04L41/14

    Abstract: Failure impact analysis (or “impact analysis”) is a process that involves identifying effects of a network event that are may or will results from the network event. In one example, this disclosure describes a method that includes generating, by a control system managing a resource group, a resource graph that models resource and event dependencies between a plurality of resources within the resource group; detecting, by the control system, a first event affecting a first resource of the plurality of resources, wherein the first event is a network event; and identifying, by the control system and based on the dependencies modeled by the resource graph, a second resource that is expected to be affected by the first event.

    Automated network device model creation using randomized test beds
    14.
    发明授权
    Automated network device model creation using randomized test beds 有权

    公开(公告)号：US11093666B2

    公开(公告)日：2021-08-17

    申请号：US15928932

    申请日：2018-03-22

    Applicant: Juniper Networks, Inc.

    Inventor： Nosherwan Minwalla ,  Guangyu Zhu ,  David Tung ,  Ai He ,  Jayabharat Boddu ,  Matthew Jeremy Mellin ,  Javier Antich

    IPC: G06N20/20 ,  G06F9/445 ,  G06F30/20 ,  G06N20/00 ,  H04L12/24 ,  G06N5/00 ,  H04L12/26 ,  G06N7/00

    Abstract: In general, techniques are described for automated network device model creation using randomized test beds. A device comprising a processor may be configured to perform the techniques. The processor may generate, based on simulation configuration files, configuration objects for performing a plurality of simulation iterations with respect to the network device operating within a test environment. Each of the simulation iterations may be configured to randomly assign parameters within the test environment. The driver may conduct, based on the configuration objects, each of the simulation iterations within the test environment to collect simulation datasets representative of operating states of the network device. The analytics module may perform machine learning with respect to each of the simulation datasets to generate a model that predicts, responsive to configuration parameters, an operating state of the network device when configured with the configuration parameters for the network device.

    PROGRAMMABLE DIAGNOSIS MODEL FOR CORRELATION OF NETWORK EVENTS
    15.
    发明申请
    PROGRAMMABLE DIAGNOSIS MODEL FOR CORRELATION OF NETWORK EVENTS 有权

    公开(公告)号：US20210243068A1

    公开(公告)日：2021-08-05

    申请号：US16821745

    申请日：2020-03-17

    Applicant: Juniper Networks, Inc.

    Inventor： Jayanthi R ,  Chandrasekhar A ,  Javier Antich ,  Sri Sampath Mallipudi ,  Premchandar N ,  Harsha Lakshmikanth

    IPC: H04L12/24 ,  H04L12/26

    Abstract: Network management techniques are described. A controller device of this disclosure manages a device group of a network. The controller device includes processing circuitry in communication with the memory, the processing circuitry being configured to receive, using a programmable diagnosis service executed by the processing circuitry, a programming input, to form, using the programmable diagnosis service, based on the programming input, a resource definition graph that models interdependencies between a plurality of resources supported by the device group, to detect, using the programmable diagnosis service, an event affecting a first resource of the plurality of resources, and to identify, using the programmable diagnosis service, based on the interdependencies modeled in the resource definition graph formed based on the programming input, a root cause event that caused the event affecting the first resource, the root cause event occurring at a second resource of the plurality of resources.

    INTENT-BASED, NETWORK-AWARE NETWORK DEVICE SOFTWARE-UPGRADE SCHEDULING
    16.
    发明申请
    INTENT-BASED, NETWORK-AWARE NETWORK DEVICE SOFTWARE-UPGRADE SCHEDULING 审中-公开

    公开(公告)号：US20200326924A1

    公开(公告)日：2020-10-15

    申请号：US16414447

    申请日：2019-05-16

    Applicant: Juniper Networks, Inc.

    Inventor： Chandrasekhar A ,  Jayanthi R ,  Javier Antich

    IPC: G06F8/65 ,  H04L29/08 ,  H04L12/24 ,  G06F16/901

    Abstract: A controller device manages a plurality of network devices. The controller device includes one or more processing units configured to receive an upgrade request; determine an upgrade graph having nodes each representing one of the network devices or a network service provided by the network, and also having one or more edges each connecting two of the nodes and representing a network redundancy or service dependency; compute and assign, an edge weight to each edge by combining results of at least one objective function, each of the at least one objective functions having a minimum objective or maximum objective for the network; partition the upgrade graph into a plurality of sub-groups based on the edge weights; determine an upgrade schedule; and upgrade software of each of the plurality of network devices according to the upgrade schedule.

    NETWORK MODEL AWARE DIAGNOSIS OF A NETWORK
    20.
    发明申请
    NETWORK MODEL AWARE DIAGNOSIS OF A NETWORK 有权

    公开(公告)号：US20210152416A1

    公开(公告)日：2021-05-20

    申请号：US16731372

    申请日：2019-12-31

    Applicant: Juniper Networks, Inc.

    Inventor： Chandrasekhar A ,  Jayanthi R ,  Javier Antich ,  Patricio Giecco ,  Hitesh Mali

    IPC: H04L12/24 ,  H04L12/26

    Abstract: Management of network devices using network aware diagnosis techniques. An example method to monitor a network includes constructing, by a controller device that manages a plurality of network devices, a deployed graph model comprising a plurality of models representative of services operating on the network devices within the network. The method also includes receiving an alert, by the controller device, that a service operating on one of the network devices is experiencing a failure. Additionally, the method includes traversing, by the controller device, modeled dependencies within the deployed graph model to perform root cause analysis of the service that is experiencing the failure to determine a resource-level event causing the failure. The method includes. based on the traversing, providing, by the controller device, a report indicating the root cause of the failure.

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