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According to The NIST Definition of Cloud Computing, [3] there are three service models associated with cloud computing: infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS). The concept of ITaaS as an operating model is not limited to or dependent on cloud computing.
Software as a service (SaaS / s æ s / [1]) is a cloud computing service model where the provider offers use of application software to a client and manages all needed physical and software resources. [2] Unlike other software delivery models, it separates "the possession and ownership of software from its use". [3]
"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
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The full range of leadership model (FRLM) is a general leadership theory focusing on the behavior of leaders towards the workforce in different work situations. The FRLM relates transactional and transformational leadership styles with laissez-faire leadership style.
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.
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Complex adaptive leadership (CAL) is an approach to leadership based on a polyarchic assumption (leadership of the many by the many), rather than based on an oligarchic assumption (leadership of the many by the few). Leadership in this theory is seen as a complex dynamic involving all, rather than only a role or attribute within a hierarchy.