AWS Cloud Architect Blog

Tutorials, best practices, and insights for your cloud architecture journey

Architecture

Building a Multi-Region Active-Active Architecture on AWS

December 10, 2025 • 12 min read

Learn how to design and implement a highly available multi-region architecture that provides sub-second failover and global load balancing for mission-critical applications.

Route 53 DynamoDB Global Tables Aurora Global
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Security

AWS Security Best Practices: A Complete Checklist for 2025

December 5, 2025 • 15 min read

A comprehensive security checklist covering IAM, encryption, network security, logging, and compliance requirements every AWS architect should know.

IAM KMS GuardDuty Security Hub
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Cost Optimization

Reduce Your AWS Bill by 40%: Proven Cost Optimization Strategies

November 28, 2025 • 10 min read

Practical strategies to significantly reduce AWS costs including Reserved Instances, Savings Plans, rightsizing, and automated cleanup of unused resources.

Cost Explorer Savings Plans Spot Instances
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Serverless

Serverless Architecture Patterns Every Architect Should Know

November 20, 2025 • 14 min read

Deep dive into event-driven architectures, fan-out patterns, saga orchestration, and CQRS implementations using Lambda, Step Functions, and EventBridge.

Lambda Step Functions EventBridge
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DevOps

Infrastructure as Code: Terraform vs CloudFormation vs CDK

November 15, 2025 • 11 min read

An in-depth comparison of the three most popular IaC tools for AWS, with pros, cons, and recommendations for different team sizes and use cases.

Terraform CloudFormation CDK
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Containers

EKS vs ECS vs Fargate: Choosing the Right Container Service

November 8, 2025 • 13 min read

A practical guide to choosing between AWS container orchestration options based on your team's expertise, workload requirements, and operational preferences.

EKS ECS Fargate
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Database

Choosing the Right AWS Database: A Decision Framework

November 1, 2025 • 16 min read

RDS, Aurora, DynamoDB, ElastiCache, Neptune, Timestream - learn how to select the right database service based on your data model, scale, and access patterns.

RDS DynamoDB Aurora
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Migration

The 6 Rs of Cloud Migration: A Practical Guide

October 25, 2025 • 9 min read

Understand the six migration strategies (Rehost, Replatform, Repurchase, Refactor, Retire, Retain) and how to apply them to your workloads.

Migration Hub DMS Application Discovery
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Networking

Mastering VPC Design: From Simple to Enterprise-Scale

October 18, 2025 • 18 min read

Learn VPC design patterns from basic single-VPC setups to complex multi-account Transit Gateway architectures with centralized egress and inspection.

VPC Transit Gateway PrivateLink
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