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Configuration of a software defined network

  • US 9,923,779 B2
  • Filed: 07/20/2015
  • Issued: 03/20/2018
  • Est. Priority Date: 07/20/2015
  • Status: Active Grant
First Claim
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1. A system operable to configure a software defined network (SDN), the system comprising:

  • a first communication host;

    a second communication host;

    a network in communication with the first communication host and the second communication host, the network comprising a plurality of network devices, the plurality of network devices configured to;

    selectively operate in each of an open mode and an SDN operating mode; and

    identify a discovered path between the first communication host and the second communication host to forward data through the network in the open mode,wherein the plurality of network devices are configured to implement an allow-by-default communication security policy using at least one automated communication protocol in the open mode;

    an SDN controller in communication with the network, the SDN controller comprising;

    a mode selection subsystem configured to cause the plurality of network devices to transition between the open mode and the SDN operating mode;

    an analysis subsystem configured to identify a communication flow corresponding to the discovered path between the first communication host and the second communication host; and

    a traffic routing subsystem configured to create a communication flow corresponding to the discovered path, the communication flow operable to allow communication between the first communication host and the second communication host in the SDN operating mode;

    wherein the plurality of network devices are configured to implement a deny-by-default communication security policy in the SDN operating mode.

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