In the quest for improved insight into network traffic, increasing numbers of administrators are turning to flow monitoring. The question arises, however, which is better, sFlow or NetFlow? Most major switch vendors are shipping equipment today with support for one or the other.
NetFlow is a technology developed by Cisco Systems that is also supported by many other hardware vendors.
NetFlow has not replaced these technologies, but works alongside them. Although NetFlow still doesn’t look beyond summarized IP traffic, with Flexible NetFlow it approaches closer to the capabilities of packet analyzers or even Intrusion Detection Systems. “Plixer is committed to Flexible NetFlow and working directly with NetFlow engineers at Cisco to ensure we deliver competitive feature sets,” said Mike. Flexible NetFlow can track a wide range of IP information: