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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.
Gartner defines a hybrid cloud service as a cloud computing service that is composed of some combination of private, public and community cloud services, from different service providers. [64] A hybrid cloud service crosses isolation and provider boundaries so that it cannot be simply put in one category of private, public, or community cloud ...
Services can be scaled on-demand by the user. According to the Internet Engineering Task Force (IETF), such infrastructure is the most basic cloud-service model. IaaS can be hosted in a public cloud (where users share hardware, storage, and network devices), a private cloud (users do not share resources), or a hybrid cloud (combination of both).
Because control of these functions is based on the cloud provider’s infrastructure and services, public cloud users must integrate with the cloud infrastructure management. [ 12 ] Capacity management is a challenge for both public and private cloud environments because end users have the ability to deploy applications using self-service portals.
Cloud Brokers provides a single point of entry to manage multiple cloud services for business or technical purposes. The two important unique features of a cloud broker are the ability to provide a single consistent interface to multiple differing cloud providers and the clear visibility that the broker allows into which company is providing the services in the background.
Printable version; In other projects Wikidata item; ... Microsoft cloud services (1 C, 28 P) O. Open-source cloud hosting services (3 P) Oracle Cloud Services (5 P) P.
Converged infrastructure can serve as an enabling platform for private and public cloud computing services, including infrastructure as a service (IaaS), platform as a service (PaaS), and software as a service (SaaS) offerings. Several characteristics make converged infrastructure well suited to cloud deployments.
Companies can cut costs with cloud communications services without sacrificing features. [4] The success of Google and others as cloud-based providers has demonstrated that a cloud-based platform can be just as effective as a software-based platform, but at a much lower cost. Voice services delivered from the cloud increases the value of hosted ...