What is Virtual Private Cloud (VPC)

What is Virtual Private Cloud (VPC)

Simplified Definition:

A private sub-section of AWS that you control, in which you can place AWS resources (such as EC2 instances and databases). You have full control over who has access to the AWS resources that you place inside you VPC.

AWS Definition:

Amazon virtual private cloud (Amazon VPC) lets you provision a logically isolated section of the Amazon web services(AWS) cloud where you can launch AWS resources in a virtual network that you define. You have complete control over your virtual networking environment, including selection of your own IP address range, creation of subnets and configuration of route tables and network gateways.

Note:

When you create an AWS account a default VPC is created for you, including the standard components that are needed make it functional.

1. Internet gateway (IGW)
2. A route table (with predefined routes to the default subnets
3. A network access control list (with predefined rules for access)
4. Subnets to provision AWS resources  in (such as EC2 instances)