Cloud computing is a term that refers to the delivery of computing services such as servers, storage, networking, software, analytics, and intelligence over the internet (“the cloud”). These services are provided by cloud providers and can be accessed by users on a pay-as-you-go basis, providing flexible and scalable solutions for businesses and individuals alike.
There are three main categories of cloud computing: software as a service (SAAS), infrastructure as a service (IAAS), and platform as a service (PAAS).
SAAS refers to software applications that are delivered over the internet. These applications are typically accessed through a web browser and do not require users to install or maintain software on their computers. Examples of SAAS include customer relationship management (CRM) systems, project management software, and office productivity suites like Microsoft Office 365. SAAS providers typically charge users a subscription fee to access their software and may offer different plans with different features and pricing.
IAAS refers to the delivery of infrastructure such as servers, storage, and networking over the internet. Users can access these resources on a pay-as-you-go basis, allowing them to scale their infrastructure up or down as needed. IAAS providers typically charge users for the resources they consume, such as the number of servers, amount of storage, and bandwidth used. IAAS is ideal for businesses that need a flexible and scalable solution for their infrastructure needs.
PAAS refers to the delivery of a platform for developing and deploying applications over the internet. PAAS providers offer a range of tools and services that developers can use to build and deploy their applications, including development environments, databases, and analytics. PAAS is often used by businesses that need to quickly develop and deploy custom applications without the need to build and maintain their infrastructure.
In conclusion, SAAS, IAAS, and PAAS are all types of cloud computing that offer businesses and individuals flexible and scalable solutions for their computing needs. SAAS provides access to software applications, IAAS provides access to infrastructure resources, and PAAS provides a platform for developing and deploying applications. All three types of cloud computing offer pay-as-you-go pricing and the ability to scale up or down as needed.