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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.
Infrastructure as a service (IaaS) is the most basic form of cloud computing, where infrastructure resources—such as physical computers—are not owned by the user but instead leased from a cloud provider. As a result, infrastructure resources can be increased rapidly, instead of waiting weeks for computers to ship and set up.
For example, an organization may store sensitive client data in house on a private cloud application, but interconnect that application to a business intelligence application provided on a public cloud as a software service. [65] This example of hybrid cloud extends the capabilities of the enterprise to deliver a specific business service ...
Enterprise architecture regards the enterprise as a large and complex system or system of systems. [3] To manage the scale and complexity of this system, an architectural framework provides tools and approaches that help architects abstract from the level of detail at which builders work, to bring enterprise design tasks into focus and produce valuable architecture description documentation.
Play a pivotal coordinating role in all service management processes. Examples of specific activities that a SIAM team would undertake include: assessing changes to the infrastructure and applications; managing the resolution of incidents which affect a service supported by multiple service providers; and coordinating disaster recovery.
Software as a service (SaaS): Web access to information stored on a software manufacturer's system; A hybrid of both on-premises and SaaS components; Infrastructure as a Service (IaaS): Online services which abstract the user from infrastructure details like physical computing resources, location, data partitioning, scaling, security, and backup
Payments as a service (PaaS) is a marketing phrase used to describe software as a service to connect a group of international payment systems. The architecture is represented by a layer – or overlay – that resides on top of these disparate systems and provides for two-way communications between the payment system and the PaaS.
Technology Infrastructure : The Technology Infrastructure component describes and identifies the physical layer including, the functional characteristics, capabilities, and interconnections of the hardware, software, and communications, including networks, protocols, and nodes. It is the "wiring diagram" of the physical IT infrastructure. [Note 6]