If we look in to the reference model as seen in above image we will find classification of cloud computing services:
- Infrastructure-as-a-Service (IaaS),
- Platform-as-a-Service (PaaS), and
- Software-as-a-Service (SaaS).
- Web 2.0
1. Infrastructure as a service (IaaS)
Infrastructure as a service (IaaS) is a cloud computing offering in which a vendor provides users access to computing resources such as servers, storage and networking. To read more about IaaS click here.
2. Platform as a service (PaaS)
3. Software as a service (SaaS)
Software as a service (SaaS) is a cloud computing offering that provides users with access to a vendor’s cloud-based software. Users do not install applications on their local devices. Instead, the applications reside on a remote cloud network accessed through the web or an API. Through the application, users can store and analyze data and collaborate on projects. To read more about SaaS click here.
4. Web 2.0
Web 2.0 is the term used to describe a variety of web sites and applications that allow anyone to create and share online information or material they have created. A key element of the technology is that it allows people to create, share, collaborate & communicate.