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Bidirectional Flow Measurement , IPFIX , and Security Analysis

This paper describes the addition of bidirectional flow export to the IPFIX protocol, and the impact of this effort on security-related flow analysis. Along the way, it examines the application of bidirectional flow measurement to common security analysis tasks and the positive impact the adoption of IPFIX as a common interchange format could, and will, have on the community using flow measurement for security purposes.