Well-Architected Review

AWS Well-Architected Framework helps build secure, high-performing, resilient, and efficient infrastructure for various applications and workloads. The Well-Architected Framework is based on 6 Pillars, which we have covered below.

Well-Architected Framework Pillars

Operational Excellence

It's a series of best practices to help with your architecture's organisation, Preparation, Operation, and Evolution of your architecture. Operational Excellence is composed of 5 design principles:

‣Perform operations as code;
‣Make frequent, small, reversible changes;
‣Refine operations procedures frequently;
‣Anticipate Failure;
‣Learn from all operational failures;

Performance Efficiency

It's all about using your resources (IT and compute) in the best effective way. This pillar is composed of 5 design principles:

‣Democratise advanced technologies;
‣Go global in minutes;
‣Use Serverless architectures;
‣Experiment more often;
‣Consider mechanical sympathy;

Security

This pillar's all about securing your architecture and your applications, including data. This pillar is composed of 7 design principles:

‣Implement a strong identity foundation;
‣Enable traceability;
‣Apply security at all layers;
‣Automate security best practices;
‣Protect data in transit and at rest;
‣Keep people away from data;
‣Prepare for security events;

Cost Optimisation

It's all about running your applications at the best cost, delivering all business value. This pillar is composed of 5 design principles:

‣Implement Cloud Financial Management;
‣Adopt a consumption model;
‣Measure overall efficiency;
‣Stop spending money on undifferentiated heavy lifting;
‣Analyse and attribute expenditure;

Reliability

This pillar focuses on maintaining your workloads running consistently, and helps to operate and test the workloads. Reliability has 5 design principles:

‣Automatically recover from failure;
‣Test recovery procedures;
‣Scale horizontally to increase aggregate workload availability;
‣Stop guessing capacity;
‣Manage change in automation;

Sustainability

The sustainability pillar focuses on environmental impacts, especially energy consumption and efficiency. This pillar has 6 design principles:

‣Understand your impact;
‣Establish sustainability goals;
‣Maximise utilisation;
‣Anticipate and adopt new, more efficient hardware and software offerings;
‣Use managed services;
‣Reduce the downstream impact of your cloud workloads;