Amazon Virtual Private Cloud (VPC) enables you to isolate and launch AWS Resources into the virtual network. VPC closely resembles a traditional network that you define in your on-premise with the benefits of using an elastic and scalable architecture. You can define public and private subnets in your virtual cloud, and it provides an ability to extend your existing corporate network to the cloud. VPC always houses within an AWS region and cannot span the region. However, VPC can span across multiple availability zones in the given region. Spanning VPC across multiple availability zones allow you to provision redundant resources in separate availability zone while having them accessible on the same network. This forms the foundation for a high availability and fault tolerant architecture.
AWS provides a DNS server for your VPC, so each instance that you spin...