Extreme congestion (was Re: inter-domain link recovery)

Sean Donelan sean at donelan.com
Thu Aug 16 17:09:42 UTC 2007

On Thu, 16 Aug 2007, Randy Bush wrote:
> Alexander Harrowell wrote:
>>> Yeah, that's why I was limiting the need (requirement) to only 1-few
>>> ASN hops upstream.  I view this as similar to some backbones offering
>>> a special blackhole everything BGP community that usually is not
>>> transitive. This is the Oh Crap, Don't Blackhole Everything but Slow
>>> Stuff Down BGP community.
>> and the two hops upstream but not the source router spools the packets
>> to the hard drive?
>> Ideally you'd want to influence the endpoint protocol stack, right?
> sally floyd ain't stoopid

ECN doesn't affect the initial SYN packets.

I agree, sally floyd ain't stoopid.

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