On Premises vs Cloud

Youtube

Normal computer vs Server

Datacenter

A data center is a collection of serevrs to provide shared access to applications and data using a complex network, compute, and storage infrastructure

On premises vs Cloud

On premises means the Datacenter owned only by the Company/Organaization

Cloud means the Datacenter is owned by the provider and given as service to the customer and the servers will be shared by multiple customers

Datacenter locations of cloud providers

Major Cloud Providers

• AWS (Amazon Web Services)
• Microsoft Azure
• GCP (Google Cloud Platform)

And many more….

Cloud service offerings

• Iaas –> Infrastructure as a Service Eg: Getting servers from cloud providers …
• Pass –> Platform as a Service Eg: EKS(Elastic Kubernetes Service) from AWS, Openshift from Redhat …
• Saas –> Software as a Service Eg: Gmail, Youtube …

Virtual Machines

From a single server, we can create multiple small servers called Virtual Machines(VM) using a technology Hypervisor