Summerschool Aachen 2004/Building Attacks Lab

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Network Basics

The second lecture today will cover the basics of network programming. Here are a few links that could help you during the lab session:

Linux clock timings

These show some measurements I have take on the Linux 2.4 kernel clock using gettimeofday(). This returns results with microsecond precision, so I wanted to make sure that this precision was significant. These graphs show that both the millisecond and microsecond parts give fairly uniform results.

Milliseconds
http://www.cl.cam.ac.uk/users/sjm217/volatile/timing_msec.png

Microseconds
http://www.cl.cam.ac.uk/users/sjm217/volatile/timing_msec.png

-- Steven Murdoch