As networking professionals know all too well, their responsibilities often extend beyond the network operations center (NOC), and the network itself is frequently made scapegoat when applications don’t perform as expected. At Interop Las Vegas last week, Dr. Jim Metzler, vice president of Ashton, Metzler & Associates, called on network pros and IT pros to overcome technological and organizational silos in order to increase the prestige…
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: