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Re: attacking DDOS using BGP communities?
- From: Saku Ytti
- Date: Fri Oct 18 03:45:50 2002
On (2002-10-18 00:15 -0400), John Fraizer wrote:
> > 2) 'TTL' community.
> > -just think about the amount of route-maps :>
> Whoa. Decrementing a single community integer value while leaving others
> unchanged would seem to be a bit tricky. This would require much more
> work on the part of others than the first suggestion and I think it would
> attract far fewer participants for that matter.
Actually would it matter if it wouldn't be additive change? Since it
would be diagnostic/special case. But of course it would be trivial for the
vendors to add support for changing the communities this way, if
this could be performed as a additive change you could offer your
customers automaticly partial visiblity under DOS attack until it's
resolved rather than 0 visibility.
Not to mention how much it would ease pinpointing faulty/aggressive parties
thus in long run it could have very positive effect for things like proper