Virtual network overlay
First Claim
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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.
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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.
538 Citations
13 Claims
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1. A method for transmitting data via a virtual overlay network, comprising:
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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. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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Specification