Question

1. Characterize the following three cloud computing models:
   1. What is an IaaS cloud? Give one example system.
   2. What is an PaaS cloud? Give one example system.
   3. What is an SaaS cloud? Give one example system.

Answer 1

1.What is an IaaS cloud? Give one example system.

Iaas stands for Infrastructure as a service. it's one of the cloud services. They are 4 cloud services Iaas, PaaS (platform as a service), Saas (software as a service), and serverless. It scales up and down as per demand. It reduces the cost, complexity, and managing of our own servers. Every source provided as an individual as our wish. we have to pay for what we use and what we need.

examples::-

Website hosting and managing with IAAS is simple and cheap compared to traditional web hosting.

Storage, backup, and recovery for some organizations, and companies it's difficult to store data, backup, and recovery compared to traditional storage and management.

Web apps:- Iaas provides the entire infrastructure to support web apps.

2.What is a PaaS cloud? Give one example system.

Paas stands for the platform as a service. It provides the runtime environment for application development and deployment tools etc. Paas provides the facility required to support the complete life of building and developing web applications and services entirely from the internet.

examples:-development frameworks, analytics or business intelligence, and additional services.

3.What is a SaaS cloud? Give one example system.

Saas stands for the software as a service, it helps you to connect and use cloud-based applications over the internet. Like email, calendar, and Microsoft office, etc. It provides a complete software solution as per pay as you go from a cloud service provider..It provides an easy and secure service with minimum cost.

Example: Your email services. we use that through the internet by just logining into that services. It stores, secures and manages our data.