Mastering AWS VPCs, Subnets, and Route Tables From Fundamentals to Advanced Architectures

Table of Contents

1. Introduction to Cloud Networking

   • The Evolution of Network Design in the Cloud Era
   • Why Virtual Networks Are the Backbone of Modern Infrastructure

2. Understanding Virtual Private Clouds (VPCs)

   • What is a VPC? Core Features and Benefits
   • Advanced VPC Capabilities: Endpoints, Peering, and IPv6

3. Subnets: Segmentation, Security, and Scalability

   • Public vs. Private Subnets: Use Cases and Design Patterns
   • Availability Zones, Reserved Ranges, and Microsegmentation

4. Route Tables: The Traffic Controllers of Your VPC

   • Internet Gateways, NAT Gateways, and Beyond
   • Complex Routing with Transit Gateway and VPC Endpoints

5. Real-World Scenarios and Architectures

   • Scenario 1: Multi-Tier Web Application Hosting
   • Scenario 2: Hybrid Cloud with VPN and Direct Connect
   • Scenario 3: Microservices in a Zero-Trust Environment
   • Scenario 4: Serverless Applications with Private APIs
   • Scenario 5: HIPAA-Compliant Healthcare Data Isolation
   • Scenario 6: Disaster Recovery Across Regions

6. Common Pitfalls and Proactive Solutions

   • CIDR Conflicts, Route Table Misconfigurations, and Public Exposure
   • Monitoring and Remediation with AWS Tools

7. Best Practices for Enterprise-Grade Networks

   • Cost Optimization: NAT Gateways vs. Instances
   • Security: Zero-Trust, Bastion Hosts, and Encryption
   • Automation: Infrastructure as Code (IaC) and Policy-as-Code

8. The Future of Cloud Networking

• AI-Driven Routing, Multi-Cloud Strategies, and Beyond

Read more »