Cloud Computing

Public Cloud

You host everything in the cloud (You DO NOT need a data center anymore)

No Capital Expenditure required

Hardware resources are owned by cloud platform

Hardware failures and security of the data center are managed by cloud platform

Summary: Hardware owned by cloud platform and shared between multiple tenants

Tenants: Customers who rent infrastructure (You, Me and other enterprises)

Private Cloud

You host everything in your own data center

Needs Capital Expenditure

Incur staffing and maintenance expenses for infrastructure

Delivers higher level of security and privacy

Hybrid Cloud:

Combination of both (Public & Private)

Use Public Cloud for some workloads and Private cloud for others

Example: Connecting an on-premise app to a cloud database

Provides you with flexibility: Go on-premises or cloud based on specific requirement