公开(公告)号：US11329950B2

公开(公告)日：2022-05-10

申请号：US16530596

申请日：2019-08-02

Applicant: Cisco Technology, Inc.

Inventor： Ajay Kumar Mishra ,  Satyajit Das ,  Laxmikantha Reddy Ponnuru ,  Anubhav Gupta

IPC: H04W56/00 ,  H04L61/2592 ,  H04L61/5007 ,  H04L41/08 ,  H04L41/0668 ,  H04L45/00 ,  H04L12/46 ,  H04L67/12

Abstract: A WAN controller can configure a first WAN interface on a first WAN edge device to connect to a first transport network. The WAN controller can configure a second WAN interface on a second WAN edge device to connect to a second transport network. The WAN controller or the first WAN edge device, connected to a first access device of an access network, can determine the first WAN edge device has no Layer 2 connectivity to the second WAN edge device, connected to a second access device of the access network. The WAN controller or the first WAN edge device can establish a tunnel between the first WAN edge device and the second WAN interface. The WAN controller can route a specified class of WAN traffic received by the first WAN edge device from the access network through the tunnel.

公开(公告)号：US20250039089A1

公开(公告)日：2025-01-30

申请号：US18775523

申请日：2024-07-17

Applicant: Cisco Technology, Inc.

Inventor： Ganesh Devendrachar ,  Ajeet Pal Singh Gill ,  Balaji Sundararajan ,  Srilatha Tangirala ,  Satish Varadarajula ,  Satyajit Das

IPC: H04L45/76 ,  H04L45/24 ,  H04L47/125

Abstract: Techniques for automatically providing per tenant weighted DCMP over shared transport interfaces and automated flow has load balancing are described. The techniques may include onboarding, by an SD-WAN controller, the tenant with a resource profile to a first multi-tenant edge device, where the resource profile defines a traffic allowance per transport interface for the tenant on the first multi-tenant edge device. The SD-WAN controller receives, from the first multi-tenant edge device, information including a first weight per transport interface of the first multi-tenant edge device for the tenant. The SD-WAN controller transmits the information to a second multi-tenant device. The SD-WAN controller receives, from the second multi-tenant edge device, information including a second weight per transport interface of the second multi-tenant edge device, and transmits the information to the first multi-tenant edge device.

公开(公告)号：US20230344775A1

公开(公告)日：2023-10-26

申请号：US17815614

申请日：2022-07-28

Applicant: Cisco Technology, Inc.

Inventor： Jigar Parekh ,  Mrigendra Patel ,  Sanjay Sreenath ,  Laxmikantha Reddy Ponnuru ,  Satyajit Das ,  Kaiyuan Xu ,  Hari Krishna Donti ,  Tahir Ali ,  Hamzah Shuaib Kardame

IPC: H04L47/24 ,  H04L45/76

CPC classification number: H04L47/24 ,  H04L45/76

Abstract: In one embodiment, a method includes receiving, by a network node, traffic within a hierarchical software-defined wide area network (SD-WAN) network. The method also includes determining, by the network node, a destination region of the traffic. The destination region is within the hierarchical SD-WAN network. The method further includes classifying, by the network node, the traffic based on a destination match condition. The destination match condition is associated with two or more destination regions.

公开(公告)号：US11582068B2

公开(公告)日：2023-02-14

申请号：US17091240

申请日：2020-11-06

Applicant: Cisco Technology, Inc.

Inventor： Laxmikantha Reddy Ponnuru ,  Samir Thoria ,  Managa Sunitha Arun Kumar ,  Satyajit Das ,  Ram Dular Singh

IPC: H04L12/46 ,  H04L45/00

Abstract: The present disclosure is directed to a mechanism for optimized application performance in SD-WAN, and includes the steps of receiving initial traffic packets at a first site for transmission to a second site; determining whether a direct tunnel is established between the first site and the second site based on a state of the second site, the state comprising an active state indicating that a direct tunnel is established between the first and second sites or an inactive state indicating that the direct tunnel is not established between the first and second sites; and in response to determining that the direct tunnel is not established, determining that the initial packets satisfy a configured trigger; forwarding the initial packets to the second site via a backup path; establishing the direct tunnel between the first and second sites; and forwarding subsequent traffic packets to the second site via the established direct tunnel.