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Cloud Computing Solutions: IaaS, PaaS, SaaS

Cloud computing solutions can include IT infrastructure, development platforms and software. Although “the cloud” can mean a lot of things to different people, for IT professionals it offers a way to extend existing capacity and capabilities. Cloud services are IT components, such as software, programming languages, networking and servers that are delivered to organizations on-demand, usually on a pay-as-you-go or subscription basis.

Cloud computing solutions come in the form of Infrastructure as a Service (IaaS), Platform as a Service (PaaS) and Software as a Service (SaaS). Cloud service providers (CSPs) offer organizations utility type resources, like virtual machines, networking and storage capacity. Cloud platforms are support structures that facilitate development environments using pooled and scalable resources. There are also software services that deliver applications using a multitenant architecture. Cloud resources can live both on and off premises, or a combination of both, employing a hybrid cloud model.

With our IaaS, PaaS and SaaS buyer’s guides we help you get started evaluating the top cloud computing solutions by outlining the key considerations as well as the pros, cons and risks that come along with them. Our goal is to streamline the evaluation process by providing an unbiased, analytical look at what the solutions offer and how they can benefit your organization.

IaaS Providers List: Comparison And Guide

  • IaaS
  • Buyer’s Guides
  • Cloud Computing
Infrastructure as a Service (IaaS) is a cloud model which allows organizations to outsource computing equipment and resources such as servers, storage, networking as well as services, such as load balancing and content delivery networks. The IaaS provider owns and maintains the equipment while the organization rents out the specific services it needs, usually on a “pay as you go” basis. Today, the question is less about whether or not to use IaaS services, but rather which IaaS providers to use.It’s easy to think of IaaS as a commodity product, that all virtual machines are essentially the same regardless of where they reside. There is some truth in that, however the distinguishing features of each cloud provider, especially around management and specialized services, are what’s important to administrators. When evaluating IaaS providers, it’s important to look beyond the range of cloud services that are offered and consider management functions, monitoring tools, identity management, service level agreements and customer support.

PaaS Providers List: Comparison And Guide

Platform as a Service (PaaS) is a cloud model designed for software developers that streamlines the development process by shifting specific aspects of systems management to the service provider. PaaS is used to develop web and mobile applications using components that are pre-configured and maintained by the service provider, including programming languages, application servers and databases.

When evaluating and choosing a PaaS provider, you should take into consideration the programming languages and server side technologies the vendor offers along with the data storage options. Support for developer tools and applications integration is also very important as you need to consider how your application in the PaaS will integrate with other applications. Finally, consider the costs of running your applications in a PaaS and evaluate how the pricing model of the vendor you choose works.

SaaS Providers List: Comparison And Guide

Software as a Service (SaaS) is a cloud model that delivers on-demand applications that are hosted and managed by the service provider and typically paid for on a subscription basis. SaaS solutions offer a number of advantages over on-premises deployments, including minimal administration and maintenance, anywhere access, and in many cases improved communication and collaboration. Some cloud-based tools will also prove to be more cost effective than their traditional, in-house counterparts.

Today there are SaaS providers specializing in everything from productivity and project management, to security, application monitoring, network monitoring, customer service, help desk and more. There are SaaS solutions built specifically for business functions, like customer relationship management, business intelligence and analytics, and there are tools designed just for IT professionals.

But cloud isn’t built for every scenario so it’s important to consider the pros, cons and risks of utilizing SaaS solutions. We help you get started by outlining the key considerations when evaluating cloud-based tools, and in some cases we delve deeper into comparing the best SaaS providers in different product categories.

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