Arbor Networks, Inc.

Michael Vanderlaar

Scott Cameron

Kyle Oswald

Andrew Curtin

Mike Ratanatharathorn

George Klinich, Iii

A computer-implemented method of grouping network traffic metadata includes, based on a selected dimension of the network traffic metadata received from a network router, obtaining a statistic about a flow of network traffic metadata received over an interval for each instance of multiple instances of the dimension. The method further includes distributing the network traffic metadata into a plurality of groups for network traffic metadata from the smallest possible number of instances of the selected dimension to be distributed to each group, with the flow of network traffic metadata distributed optimally for a criteria regarding the statistic amongst the plurality of groups for minimizing cardinality of each group of the plurality of groups with respect to unselected dimensions of the network traffic metadata and providing each group to a columnar database for storage of the network traffic metadata distributed into each group in a different partition of the columnar database.

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Ann Arbor, MI, United States of America

Michael Vanderlaar