Hi, On Thu, Feb 09, 2012 at 10:17:54AM +0000, Phil Mayers wrote: > On 02/09/2012 10:00 AM, Gert Doering wrote: > >> Billing using sampled netflow is more where I see problems arising, >> because you know your numbers will not be accurate, but you don't know >> how big the error is, and in which direction you err. With unsampled > > Is that true? As indicated, my stats are rusty, but I would have thought > it possible to calculate an error bar.
Fully share Gert's point. On the topic there is an interesting position paper (*) from the InMon guys. It revolves around sFlow but, as long as random packet sampling is employed for selection, it holds for sampled NetFlow aswell. Cheers, Paolo (*) http://www.inmon.com/pdf/sFlowBilling.pdf _______________________________________________ cisco-nsp mailing list [email protected] https://puck.nether.net/mailman/listinfo/cisco-nsp archive at http://puck.nether.net/pipermail/cisco-nsp/
