Microsemi Frequency and Time Corporation

Yves Cognet

Anne G O'Connell

Con David Cremin

A method and associated system for mitigating a Distributed Denial of Service (DDoS) attack on a target device including, receiving a plurality of data packets at a mitigation device, counting a number of occurrences of each destination address signature within each of a plurality of consecutive data packet windows, classifying each data packet window of the plurality of consecutive data packet windows as a potential attack window if the number of occurrences of any one destination address signature within the data packet window exceeds a destination address signature threshold value. The method further includes, determining a total number of potential attack windows within a sliding time window and limiting the transmission of the plurality of data packets from the mitigation device if a total number of potential attack windows within the sliding time window exceeds a potential attack window threshold value.

System and method for mitigating distributed denial of service attacks

Various electronic devices may benefit from appropriate power conservation techniques and tools. For example, low power techniques may benefit small form-factor pluggable applications. An apparatus can include a packet parsing functionality that includes a first order shallow packet parser configured to operate at line rate and a second order deep packet parser configured to operate only on received filtered packets and received packets destined for a management and/or central processing port. The apparatus can also include a microprocessor configured to manage the apparatus and configured to operate at a low duty cycle. The apparatus can further include a packet generator configured to be active only when generating certain packets of interest. The packet parsing function, the microprocessor, and the packet generator can be configured to provide data from a host port of a small form-factor pluggable device toward an optical port of the small form-factor pluggable device.

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Redwood Shores, CA, United States of America

Yves Cognet