SaaS revenues do not include software deployed internally by the customer or any packaged software for which a license fee and a maintenance fee are paid. The myriad ‘as a service’ (APPaaS, PaaS, IaaS) offerings—including business application services, databases, software development tools, high-level storage services (backup
and archiving), testing as a service, and security as a service—are all included in the category of SaaS.
A company might come to market with something it broadly calls SaaS, when in reality one business unit is doing SaaS and the other is doing PaaS. But each model…
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