NETWORK ELEMENT FEDERATION CONTROLLER AND FORWARDING BOX
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United States of America Patent
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app pub date -
Sep 20, 2017
filing date -
Mar 31, 2015
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Abstract
A controller network device receives command input for providing services over a service provider network and receives a verification request to verify an initial output of a control communication sent to a forwarding network device by a second controller network device in a group of peer controller network devices. The controller network device receives, from other controller network devices in the group of peer controller network devices, results that are responsive to the verification request and based on the command input and identifies a majority output from the results. The controller network device compares the initial output from the second controller network device to the majority output to determine that the initial output failed a verification vote and determines when a threshold number of control communications from the second controller network device, including the initial output, have failed verification votes.
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