Components and Infrastructure of Information Systems

992 words 4 pages
Information System (IS) is a combination of hardware, software, infrastructure and trained personnel organized to facilitate planning, control, coordination, and decision making in an organization (“Information System,” n.d.) By this definition the major components that make up IS are Information Technology (IT) that includes hardware and software, data/information, procedures/policies, people and communication networks. The components encompass the elements of Business Architecture, IT Architecture and Information Infrastructure. Business Architecture is the graphical representation of a business model, showing the network through which authority, information and work flows. Business Architecture serves as a blueprint of a firm’s …show more content…
Server virtualization allows an organization to consolidate servers each virtual server acts and thinks that it is its own physical server, even though that is not the case and you may have many servers running on the same piece of hardware. Since the hardware is virtual there is no need to worry about drives and other related issues cutting down on hardware maintenance. Reduction of power usage is advantage of virtualization which is two-fold the organization decrease their utility bill and increase the organization compliance with any green initiatives. Also by consolidating server there is a decrease in the amount of physical space that is needed. Lastly virtualization is portable. Some disadvantages of virtualization is licensing there is a potential violation of vendor restrictions due to the fact that virtualization allows multiple software instance of a computing platform to run concurrently on a physical machine (Lee, 2011) . Another disadvantage can be the set-up cost for the hardware that is needed, this can make or break a small company. The network complexity can be a disadvantage as well because when setting up the network it can take just as many LAN connections with a virtual server as the physical server the only difference being that one would be an actual LAN and the other would be virtual. In conclusion, in my opinion it really depends on the size of the company and what type of growth

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