nanog mailing list archives
Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey
From: Saku Ytti <saku () ytti fi>
Date: Thu, 8 Jul 2021 19:30:35 +0300
On Thu, 8 Jul 2021 at 19:25, Lukas Tribus <lukas () ltri eu> wrote:
More generally speaking, single link overloads causing PL or even full blackholing affecting single links (and therefore in a load-balanced environment: specific tuples) is something that is very frustrating to troubleshoot and it happens quite a lot in the DFZ. It
Ask your vendor to implement RFC5837, so that in addition to the bundle interface having the L3 address, traceroute also returns the actual physical interface that received the packet. This would expedite troubleshooting issues where elephant flows congest specific links. Juniper and Nokia support adaptive load balancing, dynamically adjusting hash=>interface mapping table, to deal with elephant flows without congesting one link. -- ++ytti
Current thread:
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey, (continued)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Saku Ytti (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Vanbever Laurent (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Saku Ytti (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Tom Beecher (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Warren Kumari (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey William Herrin (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Saku Ytti (Jul 08)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Warren Kumari (Jul 09)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Yang Yu (Jul 09)
- Re: Do you care about "gray" failures? Can we (network academics) help? A 10-min survey Saku Ytti (Jul 08)