Virtual network overlay

Patent metadata

Field	Value
Publication number	US-9717021-B2
Application number	US-201615091533-A
Country	US
Kind code	B2
Filing date	Apr 5, 2016
Priority date	Jul 3, 2008
Publication date	Jul 25, 2017
Grant date	Jul 25, 2017

Abstract

Disclosed herein are systems and methods for the creation, maintenance and management of virtual overlay networks across multiple communication networks managed by service providers. The simple creation and management of network overlays is accomplished via a network orchestrator manager, allowing for automation of configuration of connected network devices throughout an entire organization's network, regardless of the physical location of each device.

First claim

What is claimed is:

1. A method for transmitting data via a virtual overlay network, comprising:
receiving, at a first network appliance, data to be transmitted across a communication network to a destination, the data comprising a plurality of data packets;
classifying the data based on a traffic access policy;
assigning an overlay identification to the data denoting which overlay network the data is designated to utilize based on the classification, the overlay identification defining a traffic type;
determining, based on the destination, a second network appliance to receive the data;
selecting a bonded tunnel for the assigned overlay identification and the second network appliance, the bonded tunnel being a tunnel between the first network appliance and the second network appliance that is specific to the overlay network and incorporates two or more network paths;
selecting one or more underlay tunnels to transfer the data, the one or more underlay tunnels selected based on network metrics;
amending a header on each of the plurality of data packets, the header comprising (1) a bonded tunnel header for the selected bonded tunnel having the assigned overlay identification, and (2) an underlay tunnel header for the selected one or more underlay tunnels; and
transferring the plurality of data packets from the first network appliance via the selected bonded tunnel and the selected one or more underlay tunnels to an endpoint of the communication network, for transmission by the communication network to the second network appliance.

2. The method of claim 1 , wherein the traffic access policy is based on a label applied to data from each network interface of the first network appliance.

3. The method of claim 2 , wherein the label is determined by a network administrator of the first network appliance.

4. The method of claim 1 , wherein the traffic access policy is based on an access control list.

5. The method of claim 1 , wherein the bonded tunnel utilizes two underlay communication networks, each communication network managed by a service provider.

6. The method of claim 1 , further comprising applying a business intent to the data based on the overlay identification.

7. The method of claim 1 , wherein the communication network is at least one of: Internet, MPLS, or LTE wireless connection.

8. The method of claim 1 , wherein the overlay identification is at least one of: voice, video, or data.

9. The method of claim 1 , wherein the first network appliance or the second network appliance is in a cloud network.

10. The method of claim 1 , wherein the network metrics comprise at least one of re-ordering, loss, latency, and jitter.

11. The method of claim 1 , wherein the bonded tunnel utilizes at least one underlay tunnel.

12. The method of claim 1 , wherein the network metrics are displayed to a network administrator in a grid format.

13. The method of claim 1 , wherein the plurality of data packets are transferred in accordance with a selected bonding policy.

Assignees

• Silver Peak Systems Inc

Inventors

• Hughes David Anthony
• Bheemarajaiah Santosh
• Ennis Damon John
• Merwin David Holt
• Muralt Rolf
• Singh Pawan Kumar
• Tedijanto Theodore E
• Lingarajan Lokesh
• Travalia Edward P
• Sadasivam Krishna Kumar
• Yen Shyh Pei
• Thakur Abhelaksh
• Torda Catrina A

Classifications

• H04L12/2854

  Wide area networks, e.g. public data networks · CPC title

• H04L45/64 Primary

  using an overlay routing layer · CPC title

• H04J11/00

  Orthogonal multiplex systems, {e.g. using WALSH codes}(H04J13/00 takes precedence) · CPC title

• H04L47/2441

  relying on flow classification, e.g. using integrated services [IntServ] · CPC title

• H04W28/18 Primary

  Negotiating wireless communication parameters · CPC title