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1. 发明授权

US10805174B2 Using machine learning to monitor link quality and predict link faults 有权
公开(公告)号：US10805174B2
公开(公告)日：2020-10-13
申请号：US16406251
申请日：2019-05-08
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Madhava N , Saikat Sanyal
IPC分类号： H04W24/04 , H04L12/24 , H04L12/26 , H04W24/08
摘要： A device may receive a trained data model that has been trained using historical link quality information associated with a set of links. The device may determine, after receiving the trained data model, link quality information associated with a link that is actively supporting traffic. The device may classify the link by using the link quality information as input for the data model. The data model may classify the link into a class of a set of classes associated with measuring link quality. The device may determine an actual quality level of the link. The device may selectively update the class of the link after determining the actual link quality of the link. The device may perform one or more actions associated with improving link quality based on classifying the link and/or selectively updating the class of the link.

2. 发明授权

US10298465B2 Using machine learning to monitor link quality and predict link faults 有权
公开(公告)号：US10298465B2
公开(公告)日：2019-05-21
申请号：US15666015
申请日：2017-08-01
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Madhava N , Saikat Sanyal
IPC分类号： H04L12/24 , H04L12/26 , H04W24/04 , H04W24/08
摘要： A device may receive a trained data model that has been trained using historical link quality information associated with a set of links. The device may determine, after receiving the trained data model, link quality information associated with a link that is actively supporting traffic. The device may classify the link by using the link quality information as input for the data model. The data model may classify the link into a class of a set of classes associated with measuring link quality. The device may determine an actual quality level of the link. The device may selectively update the class of the link after determining the actual link quality of the link. The device may perform one or more actions associated with improving link quality based on classifying the link and/or selectively updating the class of the link.

3. 发明申请

US20160241430A1 MULTI-STAGE SWITCH FABRIC FAULT DETECTION AND HANDLING 有权
标题翻译：多级开关织物故障检测与处理
公开(公告)号：US20160241430A1
公开(公告)日：2016-08-18
申请号：US14623083
申请日：2015-02-16
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Mukul Golash
IPC分类号： H04L12/24 , H04L12/26 , H04L12/703
CPC分类号： H04L41/0654 , H04L41/08 , H04L43/0811 , H04L45/28 , H04L49/00 , H04L49/101 , H04L49/1523 , H04L49/40 , H04L49/555 , H04L49/557 , H04Q11/04
摘要： In some examples, a switching system includes a plurality of fabric endpoints and a multi-stage switching fabric having a plurality of fabric planes each having a plurality of stages to switch data units between any of the plurality of fabric endpoints. A fabric endpoint of the fabric endpoints is configured to send, to a switch of a first one of the stages and within a first fabric plane of the plurality of fabric planes, a self-ping message destined for the fabric endpoint. The fabric endpoint is configured to send, in response to determining the fabric endpoint has not received the self-ping message after a predetermined time, an indication of a connectivity fault for the first fabric plane.
摘要翻译：在一些示例中，交换系统包括多个结构端点和具有多个结构平面的多级交换结构，每个结构平面具有多个级以在多个结构端点中的任一个之间切换数据单元。结构端点的结构端点被配置为向多个结构平面中的第一阶段的交换机和第一结构平面内的交换机发送去往结构端点的自ping消息。结构端点被配置为响应于确定结构端点在预定时间之后未接收到自ping消息，发送针对第一个结构平面的连接故障的指示。

4. 发明授权

US10742533B2 Built-in test traffic generator 有权
公开(公告)号：US10742533B2
公开(公告)日：2020-08-11
申请号：US15893304
申请日：2018-02-09
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Karthikeyan Veerabadran , Eswaran Srinivasan , Manjunath Mandigatta Navilappa , Balaji Mohan , Raghuraman Thirumalairajan , Dhairyashil Patil
IPC分类号： H04L12/26
摘要： A network device may include a packet generator device implemented in hardware. The packet generator device may include a control component, a payload generation component, and an interface element to receive test packet generation information. The test packet generation information may include one or more control inputs, header data that is to be included in one or more test packets, and information regarding a data pattern that is to be included in payload data of the one or more test packets. The one or more control inputs, when provided to the control component, may cause the control component to control the payload generation component to generate the one or more test packets based on the header data and the information regarding the data pattern.

5. 发明授权

US09838317B1 Policy-based selective traffic reroute based on predicted traffic loss 有权
公开(公告)号：US09838317B1
公开(公告)日：2017-12-05
申请号：US14683217
申请日：2015-04-10
申请人： Juniper Networks, Inc.
发明人： Alam Yadav
IPC分类号： H04L12/801 , H04L12/721 , H04L12/813 , H04L12/26
CPC分类号： H04L47/127 , H04L43/0829 , H04L45/22 , H04L45/28 , H04L45/70 , H04L47/20
摘要： An example network device includes a set of physical network interfaces and a control unit that executes a routing protocol and a traffic impact prediction module. The traffic impact prediction module determines, prior to occurrence of a topology-changing device fault, that one or more operating characteristics of the network device are indicative of a possible fault, wherein the network device is one of a plurality of network devices in a network, determines a probability of traffic loss associated with the possible fault, and determines an adjusted routing metric for routes impacted by the possible fault based at least in part on the probability of the traffic loss. The routing protocol sends, via at least one of the set of physical network interfaces, one or more interior gateway protocol update messages specifying the adjusted routing metric to at least one other network device in the network.

6. 发明授权

US09407536B1 Collapsed-distributed Clos switching architecture for multi-chassis fabric connectivity 有权
标题翻译：用于多机架结构连接的折叠分布式Clos交换架构
公开(公告)号：US09407536B1
公开(公告)日：2016-08-02
申请号：US14464333
申请日：2014-08-20
申请人： Juniper Networks, Inc.
发明人： Alam Yadav
IPC分类号： H04L12/773 , H04L12/707 , H04Q3/68
CPC分类号： H04Q3/0004 , H04L45/24 , H04L45/60 , H04Q3/68
摘要： A system may comprise a first device and a second device associated with a Clos architecture. The first device may include a first crossbar that comprises a first component, a second component, and a third component. The second device may include a second crossbar that comprises a fourth component, a fifth component, and a sixth component. The first component may connect to the second component and the fifth component. The second component may connect to the first component, the third component, the fourth component, and the sixth component. The third component may connect to the second component and the fifth component. The fourth component may connect to the second component and the fifth component. The fifth component may connect to the first component, the third component, the fourth component, and the sixth component. The sixth component may connect to the second component and the fifth component.
摘要翻译：系统可以包括与Clos架构相关联的第一设备和第二设备。第一装置可以包括包括第一部件，第二部件和第三部件的第一横杆。第二装置可以包括第二横杆，其包括第四部件，第五部件和第六部件。第一组件可以连接到第二组件和第五组件。第二组件可以连接到第一组件，第三组件，第四组件和第六组件。第三组件可以连接到第二组件和第五组件。第四组件可以连接到第二组件和第五组件。第五组件可以连接到第一组件，第三组件，第四组件和第六组件。第六组件可以连接到第二组件和第五组件。

7. 发明授权

US10382254B2 Multi-stage switch fabric fault detection and handling 有权
公开(公告)号：US10382254B2
公开(公告)日：2019-08-13
申请号：US15864881
申请日：2018-01-08
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Mukul Golash
IPC分类号： H04L12/24 , H04Q11/04 , H04L12/703 , H04L12/26 , H04L12/931 , H04L12/933 , H04L12/939
摘要： In some examples, a switching system includes a plurality of fabric endpoints and a multi-stage switching fabric having a plurality of fabric planes each having a plurality of stages to switch data units between any of the plurality of fabric endpoints. A fabric endpoint of the fabric endpoints is configured to send, to a switch of a first one of the stages and within a first fabric plane of the plurality of fabric planes, a self-ping message destined for the fabric endpoint. The fabric endpoint is configured to send, in response to determining the fabric endpoint has not received the self-ping message after a predetermined time, an indication of a connectivity fault for the first fabric plane.

8. 发明授权

US10257589B2 Collapsed-distributed Clos switching architecture for multi-chassis fabric connectivity 有权
公开(公告)号：US10257589B2
公开(公告)日：2019-04-09
申请号：US15223886
申请日：2016-07-29
申请人： Juniper Networks, Inc.
发明人： Alam Yadav
IPC分类号： H04L12/773 , H04L12/707 , H04Q3/68 , H04Q3/00
摘要： A system may comprise a first device and a second device associated with a Clos architecture. The first device may include a first crossbar that comprises a first component, a second component, and a third component. The second device may include a second crossbar that comprises a fourth component, a fifth component, and a sixth component. The first component may connect to the second component and the fifth component. The second component may connect to the first component, the third component, the fourth component, and the sixth component. The third component may connect to the second component and the fifth component. The fourth component may connect to the second component and the fifth component. The fifth component may connect to the first component, the third component, the fourth component, and the sixth component. The sixth component may connect to the second component and the fifth component.

9. 发明申请

US20190044824A1 USING MACHINE LEARNING TO MONITOR LINK QUALITY AND PREDICT LINK FAULTS 审中-公开
公开(公告)号：US20190044824A1
公开(公告)日：2019-02-07
申请号：US15666015
申请日：2017-08-01
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Madhava N. , Saikat Sanyal
IPC分类号： H04L12/24 , H04L12/26 , H04W24/04 , H04W24/08
摘要： A device may receive a trained data model that has been trained using historical link quality information associated with a set of links. The device may determine, after receiving the trained data model, link quality information associated with a link that is actively supporting traffic. The device may classify the link by using the link quality information as input for the data model. The data model may classify the link into a class of a set of classes associated with measuring link quality. The device may determine an actual quality level of the link. The device may selectively update the class of the link after determining the actual link quality of the link. The device may perform one or more actions associated with improving link quality based on classifying the link and/or selectively updating the class of the link.

10. 发明授权

US11178001B2 Multi-stage switch fabric fault detection and handling 有权
公开(公告)号：US11178001B2
公开(公告)日：2021-11-16
申请号：US16455531
申请日：2019-06-27
申请人： Juniper Networks, Inc.
发明人： Alam Yadav , Mukul Golash
IPC分类号： H04L12/703 , H04L12/24 , H04Q11/04 , H04L12/933 , H04L12/939 , H04L12/26 , H04L12/931
摘要： In some examples, a switching system includes a plurality of fabric endpoints and a multi-stage switching fabric having a plurality of fabric planes each having a plurality of stages to switch data units between any of the plurality of fabric endpoints. A fabric endpoint of the fabric endpoints is configured to send, to a switch of a first one of the stages and within a first fabric plane of the plurality of fabric planes, a self-ping message destined for the fabric endpoint. The fabric endpoint is configured to send, in response to determining the fabric endpoint has not received the self-ping message after a predetermined time, an indication of a connectivity fault for the first fabric plane.

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