Month Archives: January 2012

PF_RING

DNA vs netmap
In the past months I have received a few emails about how to position DNA with respect to netmap. To many people they look like two competing solutions, but in reality they are just two solutions to the same problem. Yesterday I had a nice meeting with Luigi Rizzo, the author of netmap. I personally know Luigi since almost 15 years as we both live pretty close. The first time I saw him (1999 or so) he was hacking a driver for a CD-ROM drive on FreeBSD while speaking with …
nProbe

Using nProbe for Solving General Traffic Monitoring Tasks
Most people use nProbe just as a basic NetFlow/IPFIX probe where traffic monitoring is limited to packet header analysis, without further dissecting protocols. This practice is very common inside the NetFlow community and it’s one of the reasons why flow-based analysis has not changed much since its inception. Fortunately nProbe can do much more than this (e.g. it can inspect traffic on tunnels, or geo-locate flow peers), and below are just some use cases: Browsing the Internet is slow, some URLs cannot be accessed Most likely the DNS is not …

High-performance network traffic monitoring and analysis tools.

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