Did your BGP crash today?

Thomas Mangin thomas.mangin at exa-networks.co.uk
Sat Aug 28 06:52:28 CDT 2010


My point was not about crafted bgp message to test border cases - this is what one would expect in a regression suite.
It is about the use of a fuzzer to corrupt packet when you then do not know if the router is then behaving correctly or not.

---
from my iPhone

On 28 Aug 2010, at 13:36, Saku Ytti <saku at ytti.fi> wrote:

> On (2010-08-28 13:23 +0200), Thomas Mangin wrote:
> 
>> Those tools are not suitable for regression testing ( I know I wrote exabgp ) not saying they could not be adapted though.
>> 
>> Fizzing may return crashes or issues with the daemon but it is unlikely. You need predictable input for regression testing and in our particular case how do you detect a corruption without knowing what the behaviour of the router should be on that particular input.
> 
> It doesn't actually matter how likely or unlikely one expect such tool to
> be finding new issues. There is already value, that researchers like RIPE
> in this case, could simply write new test case, instead of needing to build
> whole infrastructure.
> 
> -- 
>  ++ytti
> 




More information about the NANOG mailing list