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awsdown

AWS resilience guides

The evergreen playbooks behind our outage analyses - how to architect so the next us-east-1 event is a log line, not an incident channel.

Disaster recovery

The AWS Disaster Recovery Checklist

A step-by-step, game-day-tested DR checklist for AWS: dependency mapping, RTO/RPO targets, strategy selection, backup verification, control-plane drills, and the failover test most teams skip.

10 min read

Architecture

Multi-AZ vs Multi-Region on AWS: How to Choose

What Availability Zones actually protect you from, what only a second region can, and a cost/RTO decision framework - grounded in how real AWS outages (2017, 2021, 2025) actually failed.

11 min read