Introduction

Pillars

6 pillars of AWS Well Architected framework, as of 05-Dec-2023

S Security

C Cost Optimization

O Operational Excellence

R Reliability

P Performance Efficiency

S Sustainability

Patterns

Static Stability

https://aws.amazon.com/builders-library/static-stability-using-availability-zones/

Be ready for impairments before they happen

Over-provisioning is not necessarily a bad thing. It can provide some static stability in the sense that an AZ failure will not cause a full outage, the existing capacity in other AZ can continue to handle the load while the fault recovers or additional capacity is provisioned reactively to the AZ failure event.

Active Active Useful for stateless workloads

Active Passive Useful for stateful workloads

AZ Affinity

Keep resources within the same AZ?

Custom Lens

In the well architecred framework, it is possible to create a custom lens for a specific need for compliance or just ensuring an org-wide standard.

A custom lens is usually a json file, and can be run from the well architected tool console. Ref