Even though more and more enterprises are jumping on the cloud computing bandwagon, surprisingly many are still left confused and not able to take advantage of it.Cloud computing opens up the possibility of businesses getting into whole new markets that they could never address before. At Solunus, we strive to assemble cloud solutions that enable this business transformation.
Here is a short primer on cloud computing that helps you understand cloud technologies.
Since the word ‘Cloud’ is a metaphor for ‘the Internet’, cloud computing is also known as internet-based computing, whereby shared resources, software, and information are provided to computers and other devices—such as servers, storage and applications—on demand through the Internet.
Understanding the three pillars of the cloud computing service models will help you understand what are shared over the cloud.
Infrastructure-as-a-Service is the delivery of equipment such as CPU, disk/server space or network components as a service across the Internet. These resources are usually delivered as a virtualization platform by the cloud provider and can be accessed on demand, elastic fashion in a pay-as-you-go model.
Some of the biggest names in IaaS include Amazon Web Services, Bluelock, CSC, GoGrid, IBM, OpenStack, RackSpace, Savvis, Terremark, and VMware.
Platform as a Service (PaaS) is the delivery of hardware and operating systems which enables clients to deploy their own custom software applications using the tools and programming languages offered by the provider over the internet. Clients have control over the deployed applications and environment-related settings.
Some of the biggest names in PaaS include Amazon Web Services, Salesforce1, Google App Engine, Microsoft Azure, RightScale, Appistry, Long Jump, IBM Smart Cloud, Open Shift by Red Hat, and Engine yard.
Software as a service (SaaS) refers to web-hosted software application. Client has no worry over hardware to purchase as well as software installation, maintenance, or update. SaaS is ranging from core business functions to industry-specific processes.
Some of the biggest names in SaaS include Salesforce, Workday, Netsuite, Service Now, and Concur.
According to National Institute of Standards and Technology, it’s not cloud computing unless it has all the following 5 essential characteristics…
Depending on the level of security and management criteria, business can select cloud deployment model that serves their needs.
Cloud computing is the future and it is here to stay. Computer World predicts that cloud initiatives will be the single most important IT initiatives in 2015. We hope that we do our part to help you brush up on your cloud terminology a bit.