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lucaderi 0

Building a 10 Gbit Traffic Generator using PF_RING and Ostinato

Posted August 18, 2011 · Add Comment

Whoever has developed network applications, soon or later had to buy or rent a traffic generator. Years ago I have purchased my 1 Gbit IXIA 400T on ebay for 2500$, and I wanted to buy a 10 Gbit traffic generator … Continue reading →

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lucaderi 0

Released ntop 4.1

Posted August 17, 2011 · Add Comment

Over the week end we released ntop 4.1. We decided to create a smaller version with respect to the previous 4.0.3 in order to remove some legacy code that caused trouble in the past. This release lacks some of the … Continue reading →

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lucaderi 0

Running a load-balanced Snort in a PF_RING cluster

Posted August 1, 2011 · Add Comment

Today I came across this article that I think all PF_RING/snort/suricata users should read.

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lucaderi 0

Ok, but how much time do I have?

Posted July 31, 2011 · Add Comment

Accelerating packet capture and processing is a constant race. New hardware innovations, modern computing architectures, and improvements in packet capture (e.g. PF_RING) allow applications to reduce the (both CPU and real) time they need for processing packets. But the main … Continue reading →

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lucaderi 0

Tutorial: Monitoring Application and Network Latency with nProbe

Posted July 12, 2011 · Add Comment

Last May I did a tutorial at the Nagios Conference Europe about application and network latency measurement using nProbe. The video of the tutorial has been now released and you are free to watch it if interested in he topic. … Continue reading →

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lucaderi 0

10 Gbit PF_RING DNA on Virtual Machines (VMware and KVM)

Posted June 30, 2011 · Add Comment

As you know, PF_RING DNA allows you to manipulate packets at 10 Gbit wire speed (any packet size) on low-end Linux servers. As virtualization is becoming pervasive in data-centers, you might wonder whether you can benefit of DNA on virtualized … Continue reading →

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lucaderi 0

NetFlow-lite Webcast Invitation

Posted June 22, 2011 · Add Comment

This is to invite you to webcast NetFlow-lite: Enable Data Center-wide Monitoring which is scheduled for Tuesday, 06-28-2011. I will be speaking  about NetFlow-lite together with the key Cisco people who worked with me at this project. Hope you will join … Continue reading →

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lucaderi 0

Introducing the 10 Gbit PF_RING DNA Driver

Posted June 20, 2011 · Add Comment

Today we released PF_RING 4.7.0. It includes 10 Gbit DNA support (RX/TX) for Intel-based 82598/99 ethernet adapters thus you can finally manipulate packets at wire-rate using commodity adapters. With a low-end Core2Duo you can handle more than 11 Mpps per queue, … Continue reading →

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lucaderi 0

How to send/receive 26Mpps using PF_RING on commodity hardware

Posted June 12, 2011 · Add Comment

Until last month, I have struggled to reach 7 Mpps packet capture using TNAPI. This week I see users still asking questions about how to handle 2 x 1 Gbit wire rate on commodity hardware. I believe it’s now time to … Continue reading →

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lucaderi 0

NetFlow-Lite and nProbe: a Tutorial

Posted May 31, 2011 · Add Comment

Today we have held a webinar about NetFlow-Lite with both Cisco and Plixer. Subscribers of this blog should know by now what is NetFlow-Lite and why nProbe is necessary to exploit this technology. Nevertheless you might be interested to know … Continue reading →

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