15 Four layers of Cloud Architecture (Reference Model)

Hello students,

In today's blog we look deeper at cloud reference model architecture that generally applies in any cloud environment

Any Cloud architecture is based on a four layers of this reference model

1. System Infrastructure
2. Core Middleware
3. User-level Middleware
4. Cloud Applications

Each layer is on top of the previous layer

System Infrastructure
System infrastructure is the most underlying layer in the architecture and it provides physical machines, network, storage needs such as network adapters, routers, SAN disks etc.

Core Middleware
Core Middleware sits on top of System Infrastructure layer. It provides virtual machines, network virtualization, storage virtualization, hypervisors etc.

Both System Infrastructure and Core Middleware essentially provides a way to implement IaaS (Infrastructure as a service)

In our assignment, this layer would ideally be Oracle Virtual box

User Level Middleware
User Level Middleware sits on top of core middleware and provides run-time programming environments, server environments to any number of customers.

It essentially provides a way to implement PaaS

In our assignment, this layer would ideally by Java and Maven platforms provided as a service via user level middle ware.

User Applications
User Applications are built over user level middle ware. All types of business, scientific, test applications are built at this layer using the underlying platforms provided by user level middleware. It essentially provides a way to implement SaaS

For more details, refer to the presentation on 2 CLOUD REFERENCE MODEL ARCHITECTURE - PART 7 - SEM 3 - MSC 2

Thank you