AWS Networking VPC Fundamentals
Virtual Private Cloud Deep Dive
Your logically isolated AWS network section.
VPC Components Detailed
Core Components: VPC - /16 CIDR max (65,536 IPs) Subnets - Public/Private per AZ Route Tables - Control inter/intra subnet traffic Internet Gateway - Public internet access NAT Gateway - Private subnet outbound Network ACLs - Stateless subnet firewall Security Groups - Stateful instance firewall Connectivity: VPC Peering - Cross VPC (same/different accounts) VPC Endpoints - Private AWS service access Transit Gateway - Hub-and-spoke networking Direct Connect - 1-100Gbps private fiber
Design Patterns
- Public/Private subnet architecture
- Multi-VPC hub-and-spoke
- Shared Services VPC
- Inspection VPC (firewall/IDS)