AWS VPC — Beginner-Friendly Explanation with Real Examples
What Is VPC?
A Virtual Private Cloud (VPC) is your own isolated network inside AWS. You control IP ranges, subnets, routing, and security.
Core Components of VPC
- Subnets: Public & private
- Route Tables
- Internet Gateway
- NAT Gateway
- Security Groups
- Network ACLs
Example VPC Architecture
- Public subnet → EC2 + Load Balancer
- Private subnet → Database
- NAT Gateway → Internet access for private subnet
- Security Groups → Allow specific ports
Why VPC Is Important?
- High security
- Custom network control
- Multi-layer architecture
- Used in enterprise cloud setups
Conclusion
VPC is the backbone of AWS networking. Every cloud learner must understand its structure and components.
