nanog mailing list archives
Re: Bottlenecks and link upgrades
From: Mark Tinka <mark.tinka () seacom com>
Date: Thu, 13 Aug 2020 13:18:48 +0200
On 13/Aug/20 13:00, Nick Hilliard wrote:
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.
Indeed. The smaller the capacity gets toward egress, the closer you are getting to an end-user, in most cases. End-user link upgrades will always be the weakest link in the chain, as the incentive is more on their side than you, their provider. Your final egress port buffer sizing notwithstanding, of course. Mark.
Current thread:
- Re: Bottlenecks and link upgrades, (continued)
- 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 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)
- Re: Bottlenecks and link upgrades Etienne-Victor Depasquale (Aug 13)