System and method for denial of service attack mitigation using cloud services
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United States of America Patent
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Aug 30, 2016
Grant Date -
Feb 28, 2013
app pub date -
Dec 16, 2011
filing date -
Aug 29, 2011
priority date (Note) -
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Abstract
A method to mitigate attack by an upstream service provider using cloud mitigation services. An edge detection device, which located at the subscriber's network edge, is able to communicate information via status messages about attacks to an upstream service provider. The service provider is then able to mitigate attacks based on the status messages. There is a feedback loop whereby the amount of dropped traffic by the service provider is added to the network traffic to keep the mitigation request open and prevent flapping. Likewise, the detection device includes time-to-engage and time-to-disengage timers to further prevent flapping.
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