公开(公告)号：US20170026461A1

公开(公告)日：2017-01-26

申请号：US14809095

申请日：2015-07-24

Applicant: Cisco Technology, Inc.

Inventor： Sami Boutros ,  Rex Fernando ,  Muthurajah Sivabalan ,  Bertrand Duvivier

IPC: H04L29/08 ,  H04L12/755 ,  H04L12/723 ,  H04L12/803

CPC classification number: H04L67/101 ,  H04L45/121 ,  H04L45/125 ,  H04L45/50

Abstract: Systems, methods, and computer-readable media for an intelligent load balancer. In some embodiments, a system can analyze activity data for egress links associated with a network. The system can also receive a service request originating from a remote device. Next, the system can select a server in the network for receiving the service request. Based on the activity data, the system can also select an egress link from the egress links for communicating data associated with the service request from the network to a remote destination location, such as the remote device. The system can then send a signal to the selected server which can include the service request and an indication of the egress link to be used for the data associated with the service request. The system can also later change the selected egress link for the service request if the system subsequently identifies a better egress link.

Abstract translation: 用于智能负载平衡器的系统，方法和计算机可读介质。 在一些实施例中，系统可以分析与网络相关联的出口链路的活动数据。 系统还可以接收源自远程设备的服务请求。 接下来，系统可以选择网络中的服务器来接收服务请求。 基于活动数据，系统还可以从出口链路选择出口链路，用于将与服务请求相关联的数据从网络传送到诸如远程设备的远程目的地位置。 然后，系统可以向所选择的服务器发送信号，该服务器可以包括服务请求和用于与服务请求相关联的数据的出口链路的指示。 如果系统随后识别出更好的出口链路，则系统还可以随后更改用于服务请求的所选择的出口链路。

公开(公告)号：US10171338B2

公开(公告)日：2019-01-01

申请号：US15426911

申请日：2017-02-07

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Clarence Filsfils ,  Bertrand Duvivier ,  Muthurajah Sivabalan

IPC: H04L12/28 ,  H04L12/751 ,  H04L12/46 ,  H04L12/741 ,  H04L12/851 ,  H04L12/803 ,  H04L12/717 ,  H04L12/753

Abstract: Embodiments of the present disclosure relate to methods and systems for on-demand next-hop resolution. Aspects of the embodiments include receiving a triggering event to prompt a request for a path to a network location; requesting a path computation from a second network element based on receiving the triggering event; receiving the path computation from the second network element; and programming an output interface with an indication of the path computation received from the second network element.

公开(公告)号：US20170230274A1

公开(公告)日：2017-08-10

申请号：US15426911

申请日：2017-02-07

Applicant: CISCO TECHNOLOGY, INC.

Inventor： Clarence Filsfils ,  Bertrand Duvivier ,  Muthurajah Sivabalan

IPC: H04L12/751 ,  H04L12/46 ,  H04L12/803 ,  H04L12/741 ,  H04L12/851

CPC classification number: H04L45/02 ,  H04L12/4633 ,  H04L12/4641 ,  H04L45/42 ,  H04L45/48 ,  H04L45/74 ,  H04L47/125 ,  H04L47/2425

Abstract: Embodiments of the present disclosure relate to methods and systems for on-demand next-hop resolution. Aspects of the embodiments include receiving a triggering event to prompt a request for a path to a network location; requesting a path computation from a second network element based on receiving the triggering event; receiving the path computation from the second network element; and programming an output interface with an indication of the path computation received from the second network element.

公开(公告)号：US11212221B1

公开(公告)日：2021-12-28

申请号：US16891194

申请日：2020-06-03

Applicant: Cisco Technology, Inc.

Inventor： Swadesh Agrawal ,  Dhananjaya Rao ,  Bertrand Duvivier ,  Sameer R. Gulrajani ,  Yuri Tsier

IPC: H04L12/723 ,  H04L12/46 ,  H04L12/703 ,  H04L12/707

Abstract: First and second egress nodes are each multi-homed to a customer edge (CE) that participates in virtual routing and forwarding (VRF). First forwarding information is configured on the first egress node. The first information includes VRF labels and defines forwarding of traffic based on the VRF labels and a status of a primary path to the CE. The VRF labels include a per-VRF label for the VRF and a per-CE label for the CE. Second forwarding information is configured on the second egress node. The second forwarding information includes the per-VRF label and the per-CE label, and defines traffic forwarding based on the VRF labels. Upon receiving traffic for the CE that carries the per-VRF label, the first egress node determines the status of the primary path, and forwards the traffic to either the CE over the primary path or to the second egress node, depending on the status.

公开(公告)号：US20210385157A1

公开(公告)日：2021-12-09

申请号：US16891194

申请日：2020-06-03

Applicant: Cisco Technology, Inc.

Inventor： Swadesh Agrawal ,  Dhananjaya Rao ,  Bertrand Duvivier ,  Sameer R. Gulrajani ,  Yuri Tsier

IPC: H04L12/723 ,  H04L12/707 ,  H04L12/703 ,  H04L12/46

Abstract: First and second egress nodes are each multi-homed to a customer edge (CE) that participates in virtual routing and forwarding (VRF). First forwarding information is configured on the first egress node. The first information includes VRF labels and defines forwarding of traffic based on the VRF labels and a status of a primary path to the CE. The VRF labels include a per-VRF label for the VRF and a per-CE label for the CE. Second forwarding information is configured on the second egress node. The second forwarding information includes the per-VRF label and the per-CE label, and defines traffic forwarding based on the VRF labels. Upon receiving traffic for the CE that carries the per-VRF label, the first egress node determines the status of the primary path, and forwards the traffic to either the CE over the primary path or to the second egress node, depending on the status.