Cloud architecture also follows the pattern of layered representation of presentation, business logic, and data to support the application multi-tier models. A typical architecture model with underlying components is shown in the following picture:
This layered architecture model is supported by popular cloud vendors offering multiple value-added features and functionality at each service layer as listed.
The presentation tier is the frontend user-facing and interacting tier. It displays on the website/webpage the information related to available services by communicating with other tiers. It sends the results to the browser for the service and query requests by coordinating with other tiers in the network such as business and data layers:
- Elastic infrastructure: To meet the real-time demand, hypervisors are enabled to create virtual machines or containers towards cloud infrastructure elasticity with the resources. They are enabled with self...