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"X as a service" (rendered as *aaS in acronyms) is a phrasal template for any business model in which a product use is offered as a subscription-based service rather than as an artifact owned and maintained by the customer. Originating from the software as a service concept that appeared in the 2010s with the advent of cloud computing, [1] [2] the template has expanded to numerous offerings in t
One – I (I is the Roman numeral for 1) or rarely A, AN (not normally used in British crosswords), ACE (playing card), UNIT; Operating system – OS; Operation – OP; Order – OM (Order of Merit) Ordinary Seaman – OS, Rating; Oriental – E (East) Other Ranks – OR (military term for non-commissioned ranks) Ounce – OZ (abbreviation ...
A few [20] SaaS products have open source code, called open SaaS. This model can provide advantages such as reduced deployment cost, less vendor commitment, and more portable applications. [23] The most common SaaS revenue models involve subscription and pay for usage. [24]
Software industry business models include SaaS (subscription-based), PaaS (platform services), IaaS (infrastructure services), and freemium (free with premium features). Others are perpetual licenses (one-time fee), ad-supported (free with ads), open source (free with paid support), pay-per-use (usage-based), and consulting/customization services.
The US National Institute of Standards and Technology (NIST) defines infrastructure as a service as: [3]. The capability provided to the consumer is provision processing, storage, networks, as well as other fundamental computing resources where the consumer is able to deploy & run arbitrary software, which can include operating systems and applications.
If a software product is offered as Hybrid SaaS [1] or Hybrid Cloud, [2] it means that it combines elements of both Software-as-a-Service (SaaS) and on-premises software deployment models. In the case of a hybrid model, the software product offers a combination of cloud-based SaaS functionality and on-premises capabilities.
This is in contrast to SaaS, where users buy a subscription and where the software is centrally hosted. One example of software as a product has historically been Microsoft Office , which has traditionally been distributed as a file package using CD-ROM or other physical media or is downloaded over network.
Tim O'Reilly coined the term "Web 2.0" to describe a perceived, quickly growing set of web-based applications. [40] A topic that has experienced extensive coverage involves the relationship between Web 2.0 and service-oriented architectures.