Difference Between IaaS, PaaS and SaaS
| Basis Of | IaaS | PaaS | SaaS |
| Stands for | Infrastructure as a service. | Platform as a service. | Software as a service. |
| Uses | IaaS is used by network architects. | PaaS is used by developers. | SaaS is used by the end user. |
| Access | IaaS gives access to the resources like virtual machines and virtual storage. | PaaS gives access to run time environment to deployment and development tools for application. | SaaS gives access to the end user. |
| Model | It is a service model that provides virtualized computing resources over the internet. | It is a cloud computing model that delivers tools that are used for the development of applications. | It is a service model in cloud computing that hosts software to make it available to clients. |
| Technical understanding. | It requires technical knowledge. | Some knowledge is required for the basic setup. | There is no requirement about technicalities company handles everything. |
| Popularity | It is popular among developers and researchers. | It is popular among developers who focus on the development of apps and scripts. | It is popular among consumers and companies, such as file sharing, email, and networking. |
| Percentage rise | It has around a 12% increment. | It has around 32% increment. | It has about a 27 % rise in the cloud computing model. |
| Usage | Used by the skilled developer to develop unique applications. | Used by mid-level developers to build applications. | Used among the users of entertainment. |
| Cloud services. | Amazon Web Services, sun, vCloud Express. | Facebook, and Google search engine. | MS Office web, Facebook and Google Apps. |
| Enterprise services. | AWS virtual private cloud. | Microsoft Azure. | IBM cloud analysis. |
| Outsourced cloud services. | Salesforce | Force.com, Gigaspaces. | AWS, Terremark |
| User Controls | Operating System, Runtime, Middleware, and Application data | Data of the application | Nothing |
| Others | It is highly scalable and flexible. | It is highly scalable to suit the different businesses according to resources. | It is highly scalable to suit the small, mid and enterprise level business |
## other difference.
The key differences between IaaS (Infrastructure as a Service), PaaS (Platform as a Service), and SaaS (Software as a Service) lie in the level of control, management, and services provided. Here's a breakdown:
1. IaaS (Infrastructure as a Service)
What it provides: Virtualized computing resources over the internet (e.g., servers, storage, networking).
User responsibility: Manages OS, middleware, runtime, data, and applications.
Provider responsibility: Manages physical hardware, virtualization, and networking.
Examples:
Amazon Web Services (AWS) EC2
Microsoft Azure Virtual Machines
Google Cloud Compute Engine
2. PaaS (Platform as a Service)
What it provides: A platform for developing, testing, and deploying applications, including tools and frameworks.
User responsibility: Manages applications and data.
Provider responsibility: Manages infrastructure, OS, middleware, and runtime.
Examples:
Google App Engine
Microsoft Azure App Services
Heroku
3. SaaS (Software as a Service)
What it provides: Ready-to-use software applications delivered over the internet.
User responsibility: Manages data and user access.
Provider responsibility: Manages everything else (infrastructure, OS, middleware, runtime, and applications).
Examples:
Google Workspace (Gmail, Docs)
Microsoft 365 (Office 365)
Salesforce
Summary:
IaaS: Provides raw infrastructure (e.g., virtual machines).
PaaS: Provides a development platform (e.g., app hosting).
SaaS: Provides fully functional software (e.g., web-based email).