nanog mailing list archives
Re: Bottlenecks and link upgrades
From: Nick Hilliard <nick () foobar org>
Date: Thu, 13 Aug 2020 12:00:56 +0100
Mark Tinka wrote on 13/08/2020 11:31:
It's great to monitor packet loss, latency, pps, e.t.c. But packet loss at 10% link utilization is not a foreign occurrence. No amount of bandwidth upgrades will fix that.
you could easily have 10% utilization and see packet loss due to insufficient bandwidth if you have egress << ingress and proportionally low buffering, e.g. UDP or iSCSI from a 40G/100 port with egress to a low-buffer 1G port.
This sort of thing is less likely in the imix world, but it can easily happen with high capacity CDN nodes injecting content where the receiving port is small and subject to bursty traffic.
Nick
Current thread:
- Re: Bottlenecks and link upgrades, (continued)
- Re: Bottlenecks and link upgrades m.Taichi (Aug 12)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 12)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 12)
- Re: Bottlenecks and link upgrades Simon Leinen (Aug 13)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 13)
- Re: Bottlenecks and link upgrades Etienne-Victor Depasquale (Aug 13)
- Re: Bottlenecks and link upgrades m.Taichi (Aug 12)
- Re: Bottlenecks and link upgrades Daniel (Aug 12)
- Re: Bottlenecks and link upgrades Ted Hatfield (Aug 12)
- Re: Bottlenecks and link upgrades Olav Kvittem via NANOG (Aug 13)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 13)
- Re: Bottlenecks and link upgrades Nick Hilliard (Aug 13)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 13)
- Re: Bottlenecks and link upgrades Olav Kvittem via NANOG (Aug 13)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 13)
- Re: Bottlenecks and link upgrades Baldur Norddahl (Aug 13)
- Re: Bottlenecks and link upgrades Mike Hammett (Aug 13)
- Re: Bottlenecks and link upgrades Baldur Norddahl (Aug 13)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 13)
- Re: Bottlenecks and link upgrades Tom Beecher (Aug 13)
- Re: Bottlenecks and link upgrades Radu-Adrian Feurdean (Aug 14)
- Re: Bottlenecks and link upgrades Mark Tinka (Aug 18)