Tag: aws

All the articles with the tag "aws".

• The CNI Already Moves Your Packets. Calico Is for the Rules.

  4 Jun, 2026

  Running Calico in policy-only mode on top of the AWS VPC CNI, why two network layers in one cluster is the right call, and the one flag that stops Calico from breaking your cluster.

• A Database You Query Once a Day Should Not Run All Day

  6 May, 2026

  Moving multi-tenant analytics off an always-on database onto a serverless lakehouse with Parquet, Iceberg and Athena, keeping tenant isolation as a first-class security property, and cutting the bill by more than half as a side effect.

• You Rarely Have One VPC. Wiring Them Together Is the Real Job.

  25 Feb, 2026

  Peering, transit gateways, and site-to-site VPNs are the cloud's answer to the leased line. Here is how they fit together, when to use which, and why CIDR planning decides whether any of it works.

• AWS Multi-Account Is Not About Accounts. It Is About Boundaries.

  28 Jan, 2026

  One AWS account feels simple until production, staging, logs, experiments and the monthly bill start sharing the same blast radius.