公开(公告)号：US11902365B2

公开(公告)日：2024-02-13

申请号：US17937804

申请日：2022-10-04

Applicant: Juniper Networks, Inc.

Inventor： Ashutosh K. Grewal ,  Jaihari V. Loganathan ,  Kevin Wang ,  Sanjay Khanna

IPC: H04L67/104 ,  H04L47/625 ,  H04L43/16 ,  H04L45/02 ,  H04L47/30 ,  H04L47/62

CPC classification number: H04L67/104 ,  H04L43/16 ,  H04L45/04 ,  H04L47/30 ,  H04L47/627 ,  H04L47/6225

Abstract: A network device, associated with peer network devices, may receive policy information for a protocol; and compute a first update message based on information regarding a route associated with the policy information. The network device may determine that an upper utilization threshold for one or more of peer queues, associated with the peer network devices, is not satisfied; and write the first update message to the peer queues based on determining that the upper utilization threshold is not satisfied. The network device may compute a second update message based on the information regarding the route; determine that the upper utilization threshold for one or more of the peer queues is satisfied; and pause writing the second update message to the peer queues based on the upper utilization threshold being satisfied. The network device may permit the peer network devices to obtain data from corresponding ones of the peer queues.

公开(公告)号：US20250007834A1

公开(公告)日：2025-01-02

申请号：US18372088

申请日：2023-09-23

Applicant: Juniper Networks, Inc.

Inventor： Wen Lin ,  Kevin Wang ,  Kireeti Kompella

IPC: H04L45/745 ,  H04L45/02 ,  H04L45/586

Abstract: Different services through Virtual Routing and Forwarding instances (VRFs) are identified without needing a Multiprotocol Label Switching (MPLS) label or a Virtual Extensible Local Area Network (VXLAN) Network Identifier (VNI) by using, for example, different UDP port numbers to identify different connectivity services (e.g., customers, VRFs) when IP-in-IP (also referred to as IP over UDP) is used as a tunneling mechanism (e.g., in the data center).

公开(公告)号：US11909632B2

公开(公告)日：2024-02-20

申请号：US18054831

申请日：2022-11-11

Applicant: Juniper Networks, Inc.

Inventor： Kevin Wang ,  Jaihari V. Loganathan ,  Jeffrey Haas ,  Sanjay Khanna

IPC: H04L45/50 ,  H04L45/00 ,  H04L45/24 ,  H04L45/42 ,  H04L45/586 ,  H04L47/78

CPC classification number: H04L45/50 ,  H04L45/22 ,  H04L45/24 ,  H04L45/42 ,  H04L45/586 ,  H04L47/781

Abstract: In general, various aspects of the techniques are described in this disclosure for distributed label assignment for labeled routes. In one example, a method includes obtaining, by a first thread of a plurality of execution threads for at least one routing protocol process executing on processing circuitry of a network device, an allocation of first labels drawn from a label space for a network service; adding, by the first thread, the first labels to a first local label pool for the first thread; generating, by the first thread, after obtaining the allocation of the first labels, a labeled route comprising a route for the network service and a label assigned by the first thread from the first local label pool; and outputting, by the network device, the labeled route.

公开(公告)号：US20230077138A1

公开(公告)日：2023-03-09

申请号：US18054831

申请日：2022-11-11

Applicant: Juniper Networks, Inc.

Inventor： Kevin Wang ,  Jaihari V. Loganathan ,  Jeffrey Haas ,  Sanjay Khanna

IPC: H04L45/50 ,  H04L45/00 ,  H04L45/24 ,  H04L45/42 ,  H04L45/586 ,  H04L47/78

Abstract: In general, various aspects of the techniques are described in this disclosure for distributed label assignment for labeled routes. In one example, a method includes obtaining, by a first thread of a plurality of execution threads for at least one routing protocol process executing on processing circuitry of a network device, an allocation of first labels drawn from a label space for a network service; adding, by the first thread, the first labels to a first local label pool for the first thread; generating, by the first thread, after obtaining the allocation of the first labels, a labeled route comprising a route for the network service and a label assigned by the first thread from the first local label pool; and outputting, by the network device, the labeled route.

公开(公告)号：US20240080268A1

公开(公告)日：2024-03-07

申请号：US18505070

申请日：2023-11-08

Applicant: Juniper Networks, Inc.

Inventor： Kireeti Kompella ,  Wen Lin ,  Kevin Wang

IPC: H04L45/50 ,  H04L12/46 ,  H04L45/00 ,  H04L45/18 ,  H04L69/22

CPC classification number: H04L45/507 ,  H04L12/4633 ,  H04L45/18 ,  H04L45/20 ,  H04L45/22 ,  H04L69/22

Abstract: In some cases, once Fast Reroute (FRR) has taken place (e.g., for MPLS protection), a further FRR is undesirable, and even detrimental. A mechanism to prevent a further FRR, once such a further FRR is determined to be potentially harmful, is described.

公开(公告)号：US20210288906A1

公开(公告)日：2021-09-16

申请号：US16814664

申请日：2020-03-10

Applicant: Juniper Networks, Inc.

Inventor： Kevin Wang ,  Jaihari V. Loganathan ,  Jeffrey Haas ,  Sanjay Khanna

IPC: H04L12/723 ,  H04L12/713 ,  H04L12/717 ,  H04L12/707 ,  H04L12/911

Abstract: In general, various aspects of the techniques are described in this disclosure for distributed label assignment for labeled routes. In one example, a method includes obtaining, by a first thread of a plurality of execution threads for at least one routing protocol process executing on processing circuitry of a network device, an allocation of first labels drawn from a label space for a network service; adding, by the first thread, the first labels to a first local label pool for the first thread; generating, by the first thread, after obtaining the allocation of the first labels, a labeled route comprising a route for the network service and a label assigned by the first thread from the first local label pool; and outputting, by the network device, the labeled route.

公开(公告)号：US11876706B2

公开(公告)日：2024-01-16

申请号：US17744335

申请日：2022-05-13

Applicant: Juniper Networks, Inc.

Inventor： Kireeti Kompella ,  Wen Lin ,  Kevin Wang

IPC: H04L45/50 ,  H04L12/46 ,  H04L45/18 ,  H04L45/00 ,  H04L69/22

CPC classification number: H04L45/507 ,  H04L12/4633 ,  H04L45/18 ,  H04L45/20 ,  H04L45/22 ,  H04L69/22

Abstract: In some cases, once Fast Reroute (FRR) has taken place (e.g., for MPLS protection), a further FRR is undesirable, and even detrimental. A mechanism to prevent a further FRR, once such a further FRR is determined to be potentially harmful, is described.

公开(公告)号：US11502946B2

公开(公告)日：2022-11-15

申请号：US16814664

申请日：2020-03-10

Applicant: Juniper Networks, Inc.

Inventor： Kevin Wang ,  Jaihari V. Loganathan ,  Jeffrey Haas ,  Sanjay Khanna

IPC: H04L45/50 ,  H04L45/00 ,  H04L45/24 ,  H04L45/42 ,  H04L45/586 ,  H04L47/78

Abstract: In general, various aspects of the techniques are described in this disclosure for distributed label assignment for labeled routes. In one example, a method includes obtaining, by a first thread of a plurality of execution threads for at least one routing protocol process executing on processing circuitry of a network device, an allocation of first labels drawn from a label space for a network service; adding, by the first thread, the first labels to a first local label pool for the first thread; generating, by the first thread, after obtaining the allocation of the first labels, a labeled route comprising a route for the network service and a label assigned by the first thread from the first local label pool; and outputting, by the network device, the labeled route.

公开(公告)号：US11496559B1

公开(公告)日：2022-11-08

申请号：US16900762

申请日：2020-06-12

Applicant: Juniper Networks, Inc.

Inventor： Ashutosh K. Grewal ,  Jaihari V. Loganathan ,  Kevin Wang ,  Sanjay Khanna

IPC: H04L67/104 ,  H04L47/625 ,  H04L43/16 ,  H04L45/02 ,  H04L47/30 ,  H04L47/62

Abstract: A network device, associated with peer network devices, may receive policy information for a protocol; and compute a first update message based on information regarding a route associated with the policy information. The network device may determine that an upper utilization threshold for one or more of peer queues, associated with the peer network devices, is not satisfied; and write the first update message to the peer queues based on determining that the upper utilization threshold is not satisfied. The network device may compute a second update message based on the information regarding the route; determine that the upper utilization threshold for one or more of the peer queues is satisfied; and pause writing the second update message to the peer queues based on the upper utilization threshold being satisfied. The network device may permit the peer network devices to obtain data from corresponding ones of the peer queues.

公开(公告)号：US20220272034A1

公开(公告)日：2022-08-25

申请号：US17744335

申请日：2022-05-13

Applicant: Juniper Networks, Inc.

Inventor： Kireeti Kompella ,  Wen Lin ,  Kevin Wang

IPC: H04L45/50 ,  H04L12/46 ,  H04L45/18 ,  H04L45/00 ,  H04L69/22

Abstract: In some cases, once Fast Reroute (FRR) has taken place (e.g., for MPLS protection), a further FRR is undesirable, and even detrimental. A mechanism to prevent a further FRR, once such a further FRR is determined to be potentially harmful, is described.