Chapter 6 Sit– Architecture and Infrastructure

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architecture
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provides a blueprint for translating business strategy into a plan for IS
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bring-your-own-device
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the scenario when employees bring their own devices to work and connect to enterprise systems. This is commonly used to mean devices such as smart phones, tablets, and laptops
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capacity-on-demand
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the availability of additional processing capability for a fee
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centralized architecture
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architecture where everything is purchased, supported and managed centrally usually in a data center
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cloud computing
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a style of infrastructure where capacity, applications, and services (such as development, maintenance, or security) are provided by a third-peaty provider over the internet often on a “fee for use” basis
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consumerization
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the drive to port applications to personal devices and the ensuing issues to make them work
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data center
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decentralized architecture
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architecture in which the hardware, software, networking and data are arranged in a way that distributes the process and functionality between multiple small computers servers, and devices and they rely heavily on a network to connect them together
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enterprise architecture
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the term used to a “blueprint” for the corporation that includes the business strategy, the IT architecture, the business processes, and the organization structure and how all these components relate to each other
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infrastructure
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everything that supports the flow and processing of information in an organization, including hardware, data and networking components. It consists of components, chosen and assembled in a manner that best suits the plan and enables the overarching business strategy
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peer-to-peer
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infrastructure that allows networked computers to share resources without a central server playing a dominant role
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platform
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the hardware and software on which applications are run (ex- the iPhone is considered a ____ for many applications and service that can be run on it)
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reuse
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relatively small chunks of functionality are available for many applications
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scalable
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refers to how well an infrastructure component can adapt to increased, or in some cases, decreased, demands
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server-based architecture
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service-oriented architecture
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the term used to describe the architectures where business processes are built using services delivered over a network (typically the internet). Services are software that are distinct units of business functionality residing on different parts of a network and can be combined and reused to create business applications
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software-as-a-service
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(SaaS) term used to describe a model of software deployment that uses the Web to deliver applications on an “As-needed” basis. Often when software is delivered on a service, it runs on a computer on the Internet, rather than on the computer’s computer, and is accessed through a Web browser
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standardization
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the process of agreeing on technical specifications that will be followed throughout the infrastructure. Often standards are agreed on for development processes, technology, methods, practices, and software
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system software
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TOGAF (The open group architecture framework)
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includes a methodology and set of resources for developing an enterprise architecture based on the idea of an open architecture, and architecture whose specifications are public (as compared to a proprietary architecture, where specifications are not made public)
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utility computing
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purchasing entire computing capability on an as-needed basis
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virtualization
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allows a computer to run multiple operating systems or several versions of the same operating system at the same time; virtual infrastructure where software replaced hardware in a way that a ‘virtual machine’ or a ‘virtual desktop system’ was accessible to provide computing power
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Web services
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the software systems that are offered over the Internet and executed on a third party’s hardware. Often ___ ____ are refer to a more fundamental software the use XML messages and follow SOAP (simple object access protocol) standards
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wireless infrastructures
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infrastructure that allows communication from remote locations using a variety of wireless technologies
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Zachman Framework
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enterprise architecture that determines architectural requirements by providing a broad view that helps guide the analysis of the detailed view

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