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公开(公告)号：US11582145B1
公开(公告)日：2023-02-14
申请号：US17467595
申请日：2021-09-07
Applicant: Cisco Technology, Inc.
Inventor： Praveen Kumar , Navdeep Sood
Abstract: Presented herein are techniques for dynamic optical network programming using Segment Routing (SR) using an Optical Provisioning SR Label (OPSL). In one form, a method is provided that is performed by a network element that has received an OPSL from another network element to create an optical circuit. In another form, a method is provided that is performed by a network element that sends an OPSL to another network element to cause that other network element to create an optical circuit.
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公开(公告)号：US20230076973A1
公开(公告)日：2023-03-09
申请号：US17467595
申请日：2021-09-07
Applicant: Cisco Technology, Inc.
Inventor： Praveen Kumar , Navdeep Sood
IPC: H04L12/707 , H04L12/717 , H04L12/751 , H04L12/721
Abstract: Presented herein are techniques for dynamic optical network programming using Segment Routing (SR) using an Optical Provisioning SR Label (OPSL). In one form, a method is provided that is performed by a network element that has received an OPSL from another network element to create an optical circuit. In another form, a method is provided that is performed by a network element that sends an OPSL to another network element to cause that other network element to create an optical circuit.
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公开(公告)号：US10892983B2
公开(公告)日：2021-01-12
申请号：US16047855
申请日：2018-07-27
Applicant: Cisco Technology, Inc.
Inventor： Praveen Kumar , Navdeep Sood , Ankur Govil
IPC: H04L12/707 , H04L12/703 , H04J3/16 , H04L12/723 , H04L12/24
Abstract: An indication of a combination of a Shared Risk Link Group identifier and a node identifier for each of a plurality of links through at least one network and between a source network device and a destination network device is received at a network device. A primary path through the at least one network between the source network device and the destination network device is determined at the network device. The primary path comprises a first subset of the plurality of links through the at least one network. A back-up path through the at least one network between the source network device and the destination network device is determined at the network device. The back-up path comprises a second subset of the plurality of links through the at least one network.
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公开(公告)号：US20250133008A1
公开(公告)日：2025-04-24
申请号：US18381332
申请日：2023-10-18
Applicant: Cisco Technology, Inc.
Inventor： Navdeep Sood , Praveen Kumar
Abstract: Techniques for programming an omnidirectional programmable client interface module (OPCIM) to receive a control signal and for configuring a set of outputs of a first output and a second output. Programming the OPCIM for routing the control signal from one input of the OPCIM to the first output and the second output of the OPCIM to output a first output signal and a second output signal to a first Line Card and a second Line Card coupled to each output, respectively. In response to a failure of at least either one of the Line Cards, automatically enabling reprogramming the OPCIM for routing the control signal to either Line Card that is still operational to prevent a service interruption in sending the control signal from one input to an output of either the first output or the second output to the Line Cards coupled to outputs of the OPCIM.
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Patent Agency Ranking
公开(公告)号：US20250047682A1
公开(公告)日：2025-02-06
申请号：US18364600
申请日：2023-08-03
Applicant: Cisco Technology, Inc.
Inventor： Navdeep Sood , Praveen Kumar
Abstract: In one embodiment, a method may access a plurality of Industrial Internet of Things (IIoT) devices within a network. The method may determine a shared risk model associated with the plurality of IIoT devices within the network. The method may determine, using the shared risk model, a shared risk value for each of the plurality of IIoT devices within the network. The method may determine, using the shared risk model, a plurality of associated clusters of IIoT devices within the network based on the shared risk value for each of the plurality of IIoT devices within the network. The method may determine an associated risk minimization for each of the plurality of IIoT devices within the network based on the plurality of associated clusters of IIoT devices within the network and the shared risk value for each of the plurality of IIoT devices within the network.
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公开(公告)号：US20250023814A1
公开(公告)日：2025-01-16
申请号：US18680155
申请日：2024-05-31
Applicant: Cisco Technology, Inc.
Inventor： Navdeep Sood , Praveen Kumar
Abstract: Backup communication paths can be determined for use by different circuits of a network in the event of a failure of active communication paths. The disclosed backup path determination techniques can reduce contention in which multiple circuits share a backup path. Contention metrics are determined for communication paths in the network. The contention metrics are used to determine a communication path for contention reduction. A circuit that uses the communication path as a backup path is selected, and the backup path of the selected circuit is modified to avoid the communication path. Contention metrics can then be recalculated, and contention reduction techniques can be repeated until a desired convergence point is reached.
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公开(公告)号：US11689453B2
公开(公告)日：2023-06-27
申请号：US17301179
申请日：2021-03-29
Applicant: Cisco Technology, Inc.
Inventor： Praveen Kumar , Navdeep Sood
IPC: H04L45/50 , H04L45/00 , H04L12/46 , H04L101/622
CPC classification number: H04L45/502 , H04L12/4641 , H04L45/62 , H04L45/66 , H04L2101/622
Abstract: Techniques for virtual private network (VPN) services over optical networks. Client data is received from a source device connected to a first node in an optical communication network. The client data is for transmission over the optical communication network to a destination device connected to a second node in the optical communication network. The client data is transmitted from the source device to the destination device using a layer 2 (L2) virtual network connection between the source device and the destination device. This includes transmitting the client data from the first node to the second node over an optical transport network (OTN) path through the optical communication network using a frame. The second node is configured to receive the frame and transmit the client data to the destination device based on an identifier in the frame.
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公开(公告)号：US20200036623A1
公开(公告)日：2020-01-30
申请号：US16047855
申请日：2018-07-27
Applicant: Cisco Technology, Inc.
Inventor： Praveen Kumar , Navdeep Sood , Ankur Govil
IPC: H04L12/707 , H04L12/703 , H04L12/723 , H04J3/16
Abstract: An indication of a combination of a Shared Risk Link Group identifier and a node identifier for each of a plurality of links through at least one network and between a source network device and a destination network device is received at a network device. A primary path through the at least one network between the source network device and the destination network device is determined at the network device. The primary path comprises a first subset of the plurality of links through the at least one network. A back-up path through the at least one network between the source network device and the destination network device is determined at the network device. The back-up path comprises a second subset of the plurality of links through the at least one network.
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公开(公告)号：US12028241B1
公开(公告)日：2024-07-02
申请号：US18219990
申请日：2023-07-10
Applicant: Cisco Technology, Inc.
Inventor： Navdeep Sood , Praveen Kumar
Abstract: Backup communication paths can be determined for use by different circuits of a network in the event of a failure of active communication paths. The disclosed backup path determination techniques can reduce contention in which multiple circuits share a backup path. Contention metrics are determined for communication paths in the network. The contention metrics are used to determine a communication path for contention reduction. A circuit that uses the communication path as a backup path is selected, and the backup path of the selected circuit is modified to avoid the communication path. Contention metrics can then be recalculated, and contention reduction techniques can be repeated until a desired convergence point is reached.
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