In a world ruled by OpenFlow you’d expect the OpenFlow controller to know all the traffic; in more traditional networks we use technologies like NetFlow, sFlow or IPFIX to report the traffic statistics – but regardless of the underlying mechanism, you need a tool that will collect the statistics, aggregate them in a way that makes them usable to the network operators, report them, and potentially act on the deviations.
In the fifth episode of Software Gone Wild podcast, we talked with Paolo Lucente, the author of pmacct. We started with the history, continued with the internal architecture of the tool, and mentioned some of the interesting use cases.
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