Re: BCP38 (was: Re: Why won't providers source-filter attacks? Simple.)

["Dobbins, Roland" <rdobbins () arbor net>]

On Feb 8, 2014, at 3:37 AM, John Curran <jcurran () arin net> wrote:

> It's also true that if a sizable group of network operators were to actually deploy source address validation (thus 
> proving that it really is a reasonable approach and doesn't carry too much operational or vendor implications), then 
> it would be quite reasonable for those operators to bring the results to NANOG and get it recognized as a best 
> current operating practice for networks of similar design/purpose.

Many already do - including operators of very large networks.  There are operational, vendor, and topological 
considerations which mean that it's achieved utilizing various mechanisms in different scenarios.

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Roland Dobbins <rdobbins () arbor net> // <http://www.arbornetworks.com>

          Luck is the residue of opportunity and design.

                       -- John Milton