James Hamilton personal blog

Flat Datacenter Networks at Scale at Amazon

perspectives.mvdirona.com 9 min read

The research roots of finding “optimal routing” networks trace back to the late 1970s. Mathematicians defined special kinds of networks called “expanders“. These are graphs with strong connectivity properties guaranteeing no subset of vertices can be isolated from the rest. In 1976, Leslie Valiant gave one of the…

Points

116

HN comments

26

Submissions

1

Cited by

0 commenters

Infrastructure & DevOpsNetworking & Internet2026

Related posts from the same era

Axios compromised on NPM – Malicious versions drop remote access trojan

StepSecurity Blog20261,934 points807 comments details

WTF Ubuntu?

Chalmovský20261,625 points683 comments details

Decisions that eroded trust in Azure – by a former Azure Core engineer

Axel’s Substack20261,297 points648 commentscited by 20 details

How uv got so fast

Andrew Nesbitt20251,290 points459 commentscited by 7 details

Don't rent the cloud, own instead

comma.ai Blog20261,222 points497 comments details

Migrating from AWS to Hetzner

Digital Society Blog20251,140 points627 comments details