公开(公告)号：US12010011B2

公开(公告)日：2024-06-11

申请号：US18060521

申请日：2022-11-30

Applicant: Juniper Networks, Inc.

Inventor： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  Selvakumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

IPC: H04L45/28 ,  H04L12/46 ,  H04L41/0668

CPC classification number: H04L45/28 ,  H04L12/4633 ,  H04L12/4675 ,  H04L41/0668

Abstract: Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

公开(公告)号：US20230095253A1

公开(公告)日：2023-03-30

申请号：US18060521

申请日：2022-11-30

Applicant: Juniper Networks, Inc.

Inventor： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

IPC: H04L45/28 ,  H04L12/46 ,  H04L41/0668

Abstract: Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

公开(公告)号：US09497124B1

公开(公告)日：2016-11-15

申请号：US15199025

申请日：2016-06-30

Applicant: Juniper Networks, Inc.

Inventor： Qiang Wu ,  Xichun Hong

IPC: H04L12/803 ,  H04L12/761 ,  H04L12/707 ,  H04L15/16 ,  H04L12/931 ,  H04L12/721

CPC classification number: H04L47/125 ,  H04L12/18 ,  H04L15/16 ,  H04L45/16 ,  H04L45/22 ,  H04L45/24 ,  H04L45/66 ,  H04L49/70

Abstract: A computer-implemented method for load balancing multicast traffic may include (1) identifying a plurality of switches that include at least a first switch that is connected to a second switch by a first path and a second path, (2) calculating a plurality of multicast distribution trees for distributing multicast traffic among the plurality of switches that includes (i) a first tree that includes the first path and whose root is different than the root of a second tree and (ii) the second tree that includes the second path, (3) receiving a plurality of multicast packets ingress to the plurality of switches at the first switch, and (4) using at least two of the plurality of multicast distribution trees to transmit the plurality of multicast packets from the first switch to the second switch. Various other methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US20150281090A1

公开(公告)日：2015-10-01

申请号：US14231225

申请日：2014-03-31

Applicant: Juniper Networks, Inc.

Inventor： Qiang Wu ,  Xichun Hong

IPC: H04L12/803 ,  H04L12/18

CPC classification number: H04L47/125 ,  H04L12/18 ,  H04L15/16 ,  H04L45/16 ,  H04L45/22 ,  H04L45/24 ,  H04L45/66 ,  H04L49/70

Abstract: A computer-implemented method for load balancing multicast traffic may include (1) identifying a plurality of switches that include at least a first switch that is connected to a second switch by a first path and a second path, (2) calculating a plurality of multicast distribution trees for distributing multicast traffic among the plurality of switches that includes (i) a first tree that includes the first path and whose root is different than the root of a second tree and (ii) the second tree that includes the second path, (3) receiving a plurality of multicast packets ingress to the plurality of switches at the first switch, and (4) using at least two of the plurality of multicast distribution trees to transmit the plurality of multicast packets from the first switch to the second switch. Various other methods, systems, and computer-readable media are also disclosed.

Abstract translation: 用于负载平衡多播流量的计算机实现的方法可以包括（1）识别多个交换机，所述交换机至少包括通过第一路径和第二路径连接到第二交换机的第一交换机，（2）计算多个 用于在所述多个交换机之间分发组播流量的组播分发树，所述多播分发树包括（i）包括所述第一路径并且其根不同于第二树的根的第一树，以及包括所述第二路径的所述第二树， （3）在第一交换机处接收多个多播数据包进入多个交换机，以及（4）使用多个组播分发树中的至少两个将多个组播分组从第一交换机发送到第二交换机 。 还公开了各种其它方法，系统和计算机可读介质。

公开(公告)号：US11546253B2

公开(公告)日：2023-01-03

申请号：US17301351

申请日：2021-03-31

Applicant: Juniper Networks, Inc.

Inventor： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

IPC: H04L45/28 ,  H04L41/0668 ,  H04L12/46

Abstract: Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

公开(公告)号：US20160315863A1

公开(公告)日：2016-10-27

申请号：US15199025

申请日：2016-06-30

Applicant: Juniper Networks, Inc.

Inventor： Qiang Wu ,  Xichun Hong

IPC: H04L12/803 ,  H04L12/707 ,  H04L12/931 ,  H04L12/761

CPC classification number: H04L47/125 ,  H04L12/18 ,  H04L15/16 ,  H04L45/16 ,  H04L45/22 ,  H04L45/24 ,  H04L45/66 ,  H04L49/70

Abstract: A computer-implemented method for load balancing multicast traffic may include (1) identifying a plurality of switches that include at least a first switch that is connected to a second switch by a first path and a second path, (2) calculating a plurality of multicast distribution trees for distributing multicast traffic among the plurality of switches that includes (i) a first tree that includes the first path and whose root is different than the root of a second tree and (ii) the second tree that includes the second path, (3) receiving a plurality of multicast packets ingress to the plurality of switches at the first switch, and (4) using at least two of the plurality of multicast distribution trees to transmit the plurality of multicast packets from the first switch to the second switch. Various other methods, systems, and computer-readable media are also disclosed.

公开(公告)号：US20220321458A1

公开(公告)日：2022-10-06

申请号：US17301351

申请日：2021-03-31

Applicant: Juniper Networks, Inc.

Inventor： Wen Lin ,  Yi Zheng ,  Mukesh Kumar ,  Xichun Hong ,  SelvaKumar Sivaraj ,  Vamshi Krishna Voruganti ,  John E. Drake

IPC: H04L12/703 ,  H04L12/46 ,  H04L12/24

Abstract: Techniques are described for providing fast reroute for traffic in EVPN-VXLAN. For example, a backup PE device of an Ethernet segment is configured with an additional tunnel endpoint address (“reroute tunnel endpoint address”) for a backup path associated with a second split-horizon group that is different than a tunnel endpoint address and first split-horizon group for another path used for normal traffic forwarding. The backup PE device sends the reroute tunnel endpoint address to a primary PE device of the Ethernet segment, which uses the reroute tunnel endpoint address to configure a backup path to the backup PE device over the core network. For example, the primary PE device may install the reroute tunnel endpoint address within its forwarding plane and one or more operations to cause the primary PE device to encapsulate a VXLAN header including the reroute tunnel endpoint address when rerouting the packet along the backup path.

公开(公告)号：US09407555B2

公开(公告)日：2016-08-02

申请号：US14231225

申请日：2014-03-31

Applicant: Juniper Networks, Inc.

Inventor： Qiang Wu ,  Xichun Hong

IPC: H04L12/803 ,  H04L12/18 ,  H04L12/761 ,  H04L12/707

CPC classification number: H04L47/125 ,  H04L12/18 ,  H04L15/16 ,  H04L45/16 ,  H04L45/22 ,  H04L45/24 ,  H04L45/66 ,  H04L49/70

Abstract: A computer-implemented method for load balancing multicast traffic may include (1) identifying a plurality of switches that include at least a first switch that is connected to a second switch by a first path and a second path, (2) calculating a plurality of multicast distribution trees for distributing multicast traffic among the plurality of switches that includes (i) a first tree that includes the first path and whose root is different than the root of a second tree and (ii) the second tree that includes the second path, (3) receiving a plurality of multicast packets ingress to the plurality of switches at the first switch, and (4) using at least two of the plurality of multicast distribution trees to transmit the plurality of multicast packets from the first switch to the second switch. Various other methods, systems, and computer-readable media are also disclosed.

Abstract translation: 用于负载平衡多播流量的计算机实现的方法可以包括（1）识别多个交换机，所述交换机至少包括通过第一路径和第二路径连接到第二交换机的第一交换机，（2）计算多个 用于在所述多个交换机之间分发组播流量的组播分发树，所述多播分发树包括（i）包括所述第一路径并且其根不同于第二树的根的第一树，以及包括所述第二路径的所述第二树， （3）在第一交换机处接收多个多播数据包进入多个交换机，以及（4）使用多个组播分发树中的至少两个将多个组播分组从第一交换机发送到第二交换机 。 还公开了各种其它方法，系统和计算机可读介质。