Cloud computing services are changing how businesses and public institutions use information technology. Today cloud services are available to meet most any IT need. Although there’s great variety among cloud computing services, all such services have certain basic features and benefits in common, and all can be categorized into a few basic cloud service types.

If you need more computing or storage capacity in your data center but capital expense is an issue, then a public cloud computing service makes a nice option. You get on-demand IT resources that are infinitely scalable and you pay for what you use.

More and more IT professionals and common Internet users alike are embracing cloud computing, taking advantage of the many available services to store data and receive software. With the ability to increase computing capabilities without the need for new infrastructure, cloud computing services are here to stay. The hard part isn’t deciding if you should make use of the cloud, but rather which service to use.

When dealing with cloud computing services, it’s first very important to understand the different options available. There is Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS).