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NetFlow, sFlow, and Flow Extensibility, Part 2

Kentik

sFlow, which has been available in switches and routers since 2001, is the brainchild of InMon Corporation, whose continued control over the protocol is both benevolent and absolute. Also, to cut down on CPU and network bandwidth, flows are usually only “exported” on average every 10 seconds to a few minutes. The sFlow difference.