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公开(公告)号：US11770309B2
公开(公告)日：2023-09-26
申请号：US17107356
申请日：2020-11-30
Applicant: Juniper Networks, Inc.
Inventor： Vijay Sai Ram Paruchuri , Rajneesh Kumar , Ravi Kumar G V Subrahmanya , Unni Dilip , Sanjay Kumar Gupta , Bhaskar Jain , Sai Sundar Ramamurthy
IPC: H04L43/10 , H04L41/5009 , H04L41/5025 , H04L43/0829 , H04L45/24 , H04L45/302 , H04L47/2475 , H04L47/62
CPC classification number: H04L41/5009 , H04L41/5025 , H04L43/0835 , H04L43/10 , H04L45/24 , H04L45/306 , H04L47/2475 , H04L47/6215
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application. In response to receiving the application data packet, the network device may assign the data flow to a first link of a plurality of links and initiate a probing process for the data flow on the first link to determine one or more quality of experience (QoE) metrics for the first link. The network device may, at a later time, detect that the data flow is no longer being received. In response to detecting that the data flow is no longer being received, the network device may cease the probing process for the data flow on the first link.
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公开(公告)号：US11005729B2
公开(公告)日：2021-05-11
申请号：US16354027
申请日：2019-03-14
Applicant: Juniper Networks, Inc.
Inventor： Bhaskar Jain , Rajneesh Kumar , Ravi Kumar G V Subrahmanya , Sai Sundar Ramamurthy , Unni Dilip , Vijay Sai Ram Paruchuri , Sanjay Kumar Gupta
Abstract: In general, the disclosure describes techniques for assigning traffic originating from an unknown application to a link based on known application quality of experience metrics. For instance, a network device may receive an application data packet of a data flow for an application and determine an application signature of the application data packet. The network device may determine whether the application signature matches an entry in an application signature database, and if the application signature does not match, the network device may identify a class of the application based on one or more characteristics of the application data packet. The network device may then assign the application data packet of the data flow to a first link of a plurality of links based on the class of the application and quality of experience (QoE) metrics for each link.
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公开(公告)号：US20200296023A1
公开(公告)日：2020-09-17
申请号：US16354428
申请日：2019-03-15
Applicant: Juniper Networks, Inc.
Inventor： Rajneesh Kumar , Sai Sundar Ramamurthy , Vijay Sai Ram Paruchuri , Unni Dilip , Ravi Kumar G V Subrahmanya , Bhaskar Jain , Sanjay Kumar Gupta
IPC: H04L12/26
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application and send a first set of probe packets, configured according to an initial probing profile, over each of one or more links, The network device may monitor the data flow to determine one or more characteristics of the data flow and generate an updated probing profile based on the one or more characteristics of the data flow. The network device may then send a second set of one or more probe packets, configured according to the updated probing profile, over each of the one or more links.
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公开(公告)号：US20200296012A1
公开(公告)日：2020-09-17
申请号：US16298996
申请日：2019-03-11
Applicant: Juniper Networks, Inc.
Inventor： Vijay Sai Ram Paruchuri , Rajneesh Kumar , Ravi Kumar G V Subrahmanya , Unni Dilip , Sanjay Kumar Gupta , Bhaskar Jain , Sai Sundar Ramamurthy
IPC: H04L12/24 , H04L12/26 , H04L12/859 , H04L12/707 , H04L12/863 , H04L12/725
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application. In response to receiving the application data packet, the network device may assign the data flow to a first link of a plurality of links and initiate a probing process for the data flow on the first link to determine one or more quality of experience (QoE) metrics for the first link. The network device may, at a later time, detect that the data flow is no longer being received. In response to detecting that the data flow is no longer being received, the network device may cease the probing process for the data flow on the first link.
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5.发明申请公开(公告)号：US20200267114A1
公开(公告)日：2020-08-20
申请号：US16277714
申请日：2019-02-15
Applicant: Juniper Networks, Inc.
Inventor： Sai Sundar Ramamurthy , Rajneesh Kumar , Bhaskar Jain , Ravi Kumar G V Subrahmanya , Sanjay Kumar Gupta , Unni Dilip , Vijay Sai Ram Paruchuri
Abstract: Techniques are described for selecting, with an intermediate device, a preferred remote endpoint from a plurality of remote endpoints accessible to a client computing device via a network and indicating the preferred remote endpoint to the client computing device. For example, an intermediate device may intercept a DNS response from a DNS load balancer that load balances service requests across multiple remote endpoints that provide the requested service. Based on values for one or more network performance metrics for network traffic from each of the multiple endpoints to the intermediate device, the intermediate device may modify the priority of IP addresses included in the DNS response. The intermediate device may, for instance, replace an original primary IP address in the DNS response with an IP address for another one of the remote endpoints for which the intermediate device measured better network performance metrics.
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Patent Agency Ranking
公开(公告)号：US11949568B1
公开(公告)日：2024-04-02
申请号：US17805584
申请日：2022-06-06
Applicant: Juniper Networks, Inc.
Inventor： Rajneesh Kumar , Sankar Ramamoorthi , Vijay Sai Ram Paruchuri , Unni Dilip , Bhaskar Jain
IPC: H04L41/5006 , H04L41/0896 , H04L41/5009 , H04L41/5022 , H04L45/64
CPC classification number: H04L41/5006 , H04L41/0896 , H04L41/5009 , H04L41/5022 , H04L45/64
Abstract: In an example, a method includes obtaining, for a software-defined wide area network (SD-WAN) system having a plurality of a wide area network (WAN) links for an SD-WAN service, a first service level agreement (SLA) rule that matches a first application, the first SLA rule having a first priority that indicates a priority of the first application; obtaining, for the SD-WAN system, a second SLA rule that matches a second application, the second SLA rule having a second priority that indicates a priority of the second application; assigning, for the SD-WAN system, the first application and the second application to a first WAN link of the plurality of WAN links; and in response to determining that the first WAN link has violated the first SLA rule that matches the first application, assigning, by the SD-WAN system, the second application to a second WAN link of the plurality of WAN links.
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公开(公告)号：US11381474B1
公开(公告)日：2022-07-05
申请号：US17139695
申请日：2020-12-31
Applicant: Juniper Networks, Inc.
Inventor： Rajneesh Kumar , Sankar Ramamoorthi , Vijay Sai Ram Paruchuri , Unni Dilip , Bhaskar Jain
IPC: G06F15/173 , H04L41/5006 , H04L41/5022 , H04L45/64 , H04L41/0896 , H04L41/5009 , G06F15/16
Abstract: In an example, a method includes obtaining, for a software-defined wide area network (SD-WAN) system having a plurality of a wide area network (WAN) links for an SD-WAN service, a first service level agreement (SLA) rule that matches a first application, the first SLA rule having a first priority that indicates a priority of the first application; obtaining, for the SD-WAN system, a second SLA rule that matches a second application, the second SLA rule having a second priority that indicates a priority of the second application; assigning, for the SD-WAN system, the first application and the second application to a first WAN link of the plurality of WAN links; and in response to determining that the first WAN link has violated the first SLA rule that matches the first application, assigning, by the SD-WAN system, the second application to a second WAN link of the plurality of WAN links.
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公开(公告)号：US10958555B2
公开(公告)日：2021-03-23
申请号：US16354428
申请日：2019-03-15
Applicant: Juniper Networks, Inc.
Inventor： Rajneesh Kumar , Sai Sundar Ramamurthy , Vijay Sai Ram Paruchuri , Unni Dilip , Ravi Kumar G V Subrahmanya , Bhaskar Jain , Sanjay Kumar Gupta
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application and send a first set of probe packets, configured according to an initial probing profile, over each of one or more links. The network device may monitor the data flow to determine one or more characteristics of the data flow and generate an updated probing profile based on the one or more characteristics of the data flow. The network device may then send a second set of one or more probe packets, configured according to the updated probing profile, over each of the one or more links.
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公开(公告)号：US20210083948A1
公开(公告)日：2021-03-18
申请号：US17107356
申请日：2020-11-30
Applicant: Juniper Networks, Inc.
Inventor： Vijay Sai Ram Paruchuri , Rajneesh Kumar , Ravi Kumar G V Subrahmanya , Unni Dilip , Sanjay Kumar Gupta , Bhaskar Jain , Sai Sundar Ramamurthy
IPC: H04L12/24 , H04L12/26 , H04L12/707 , H04L12/725 , H04L12/859 , H04L12/863
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application. In response to receiving the application data packet, the network device may assign the data flow to a first link of a plurality of links and initiate a probing process for the data flow on the first link to determine one or more quality of experience (QoE) metrics for the first link. The network device may, at a later time, detect that the data flow is no longer being received. In response to detecting that the data flow is no longer being received, the network device may cease the probing process for the data flow on the first link.
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公开(公告)号：US10855555B2
公开(公告)日：2020-12-01
申请号：US16298996
申请日：2019-03-11
Applicant: Juniper Networks, Inc.
Inventor： Vijay Sai Ram Paruchuri , Rajneesh Kumar , Ravi Kumar G V Subrahmanya , Unni Dilip , Sanjay Kumar Gupta , Bhaskar Jain , Sai Sundar Ramamurthy
IPC: H04L12/24 , H04L12/26 , H04L12/707 , H04L12/863 , H04L12/725 , H04L12/859
Abstract: In general, the disclosure describes techniques for evaluating application quality of experience metrics over a software-defined wide area network. For instance, a network device may receive an application data packet of a data flow for an application. In response to receiving the application data packet, the network device may assign the data flow to a first link of a plurality of links and initiate a probing process for the data flow on the first link to determine one or more quality of experience (QoE) metrics for the first link. The network device may, at a later time, detect that the data flow is no longer being received. In response to detecting that the data flow is no longer being received, the network device may cease the probing process for the data flow on the first link.
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