Let's learn about Cloud Public Cloud Models SaaS PaaS IaaS Vendors in Cloud AWS Azure GCP Linode DigitalOcean IBM Cloud Alibaba Cloud Oracle Cloud Infrastructure Huawei Cloud Few Points that might remain same, which are also building blocks / components of the Cloud Regions Availability Zone (AZ) VPC (Virtual Private Cloud) Subnet Virtual Machine (EC2 in AWS) Routing (& Route Table) Storage Public IP (& Static Public IP) Network Interface Firewall (SG & NACL in AWS) VPN Gateway & Internet Gateway