Gartner Research

When Is NetFlow 'Good Enough'?

Published: 30 March 2012

ID: G00218112

Analyst(s): Debra Curtis , Jonah Kowall


As network demands and speeds increase, our ability to monitor capacity, utilization, and detailed information about the traffic flowing on our networks is shifting from primarily a probe-and-polling approach to a balanced approach that includes summarized flow-based data sources.

Table Of Contents

What You Need to Know


  • What Is NetFlow?
  • When Is NetFlow Good?
  • When Is NetFlow Not Good Enough?
  • Alternate Approaches to Visibility
  • The Future of NetFlow and Probe-Based Technologies
  • Where Do I Apply NetFlow?
  • Tactical Guidelines

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