AWS Glossary
AWS Well-Architected Framework
AWS architectural best practices framework covering operational excellence, security, reliability, performance, and cost optimization.
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Summary
AWS architectural best practices framework covering operational excellence, security, reliability, performance, and cost optimization.
Key Facts
- • The process involves: 1
- • **Discovery** — understand workload, business requirements, architecture 2
- • **Review** — answer 40-60 questions across 5 pillars 3
- • **Analysis** — score architecture maturity in each pillar 4
- • **Roadmap** — prioritized recommendations for improvement ## Common Mistakes **Mistake 1:** Treating Well-Architected as a one-time audit
Entity Definitions
- Infrastructure as Code
- Infrastructure as Code is a cloud computing concept relevant to aws well-architected framework.
- IaC
- IaC is a cloud computing concept relevant to aws well-architected framework.
- Well-Architected Framework
- Well-Architected Framework is a cloud computing concept relevant to aws well-architected framework.
- cost optimization
- cost optimization is a cloud computing concept relevant to aws well-architected framework.
- compliance
- compliance is a cloud computing concept relevant to aws well-architected framework.
Related Content
- AWS ARCHITECTURE REVIEW — Related service
Definition
The AWS Well-Architected Framework is a set of best practices and design principles for building secure, high-performing, reliable, and cost-optimized applications on AWS. It provides a systematic approach to evaluating architecture against five pillars: Operational Excellence, Security, Reliability, Performance Efficiency, and Cost Optimization.
Five Pillars
Operational Excellence
- Infrastructure as code (IaC) for reproducibility
- Monitoring and logging for visibility
- Regular documentation and process improvement
- Automation of routine operational tasks
- Knowledge sharing across teams
Security
- Identity and access management (least privilege)
- Data protection at rest and in transit
- Network isolation and segmentation
- Threat detection and incident response
- Compliance with regulatory requirements
Reliability
- High availability and disaster recovery (RTO/RPO)
- Auto-scaling and fault tolerance
- Automated failover and self-healing
- Testing and validation procedures
- Graceful degradation under failure
Performance Efficiency
- Right-sizing: matching resources to workload
- Horizontal scaling for growth
- Caching strategies for latency reduction
- Database optimization and query tuning
- Monitoring and adjustment for sustained performance
Cost Optimization
- Resource utilization: eliminate waste
- Right-sizing instances and storage
- Commitment-based pricing (Reserved Instances, Savings Plans)
- Managed services vs self-managed trade-offs
- Cost allocation and accountability
How It Works
AWS Well-Architected Reviews are structured assessments of your architecture against these pillars. The process involves:
- Discovery — understand workload, business requirements, architecture
- Review — answer 40-60 questions across 5 pillars
- Analysis — score architecture maturity in each pillar
- Roadmap — prioritized recommendations for improvement
Common Mistakes
Mistake 1: Treating Well-Architected as a one-time audit. It’s continuous; architecture should be reviewed quarterly as requirements change.
Mistake 2: Focusing on cost optimization while ignoring reliability. A cheap but unreliable system costs more in the long run.
Mistake 3: Not involving all stakeholders. Well-Architected reviews require input from engineering, operations, finance, and security.
Related AWS Services
- AWS Well-Architected Reviews (free and paid review programs)
- AWS Architecture Review (partner service)
- AWS Trusted Advisor (automated recommendations)
- AWS Config (compliance checking)
Related FactualMinds Content
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