Trying to understand the complexities of Cloud-based services can be like navigating through a minefield, particularly if you’re an ISV looking to broaden your product offering. With that said, here’s a quick 101 in the basic concepts of cloud services, which should help clear the muddy waters a little.
SaaS – Software-as-a-Service is a model of software deployment whereby a provider licenses an application to customers for use as a service on demand. One example of SaaS is the Salesforce.com CRM application.
IaaS – Infrastructure-as-a-Service is the delivery of computer infrastructure (typically a platform virtualization environment) as a service. Rather than purchasing servers, software, data center space or network equipment, clients instead buy those resources as a fully outsourced service. One such example of this is the Amazon web services.
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