nanog mailing list archives
Re: Extreme congestion (was Re: inter-domain link recovery)
From: Fred Baker <fred () cisco com>
Date: Wed, 15 Aug 2007 08:47:42 -0700
On Aug 15, 2007, at 8:35 AM, Sean Donelan wrote:
Or should IP backbones have methods to predictably control which IP applications receive the remaining IP bandwidth? Similar to the telephone network special information tone -- All Circuits are Busy. Maybe we've found a new use for ICMP Source Quench.
Source Quench wouldn't be my favored solution here. What I might suggest is taking TCP SYN and SCTP INIT (or new sessions if they are encrypted or UDP) and put them into a lower priority/rate queue. Delaying the start of new work would have a pretty strong effect on the congestive collapse of the existing work, I should think.
Current thread:
- Re: inter-domain link recovery, (continued)
- Re: inter-domain link recovery Andy Davidson (Aug 15)
- Re: inter-domain link recovery Patrick W. Gilmore (Aug 14)
- Re: Re: inter-domain link recovery Chengchen Hu (Aug 15)
- Re: inter-domain link recovery Roland Dobbins (Aug 15)
- RE: Re: inter-domain link recovery michael.dillon (Aug 15)
- Re: inter-domain link recovery Valdis . Kletnieks (Aug 15)
- Re: Re: inter-domain link recovery Chengchen Hu (Aug 15)
- Re: inter-domain link recovery Randy Bush (Aug 15)
- Re: inter-domain link recovery Stephen Wilcox (Aug 15)
- RE: inter-domain link recovery michael.dillon (Aug 15)
- Extreme congestion (was Re: inter-domain link recovery) Sean Donelan (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Fred Baker (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Sean Donelan (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Valdis . Kletnieks (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Fred Baker (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Sean Donelan (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Fred Baker (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Adrian Chadd (Aug 15)
- Re: Extreme congestion (was Re: inter-domain link recovery) Fred Baker (Aug 16)
- Re: Extreme congestion (was Re: inter-domain link recovery) Sean Donelan (Aug 16)
- Re: Extreme congestion (was Re: inter-domain link recovery) Randy Bush (Aug 16)
- Re: Extreme congestion (was Re: inter-domain link recovery) Alexander Harrowell (Aug 16)