The popularity and rapid adoption of Software as a Service (SaaS), Platform as a Service (PaaS), and Infrastructure as a Service (IaaS) by a number of organizations has impacted internal IT / IS departments. These services provide a virtualization infrastructure that covers data storage, networking, desktop computing, mobile computing, and so on.

Write a two to three (2-3) page paper in which you:

1. Describe      at least three (3) items that an organization’s IT / IS department should      consider when an organization’s strategy calls for the use of SaaS, PaaS,      or IaaS. 
2. Evaluate      the ways that SaaS, PaaS, and IaaS are used to reduce Total Cost of      Ownership (TCO) and increase Return on Investment (ROI).
3. Create      SaaS, PaaS, and IaaS architectural diagrams using Microsoft Visio or an      equivalent such as Dia. Note: The graphically depicted solution is not      included in the required page length.
4. Examine      the impact to the IT support personnel when an organization embarks on the      strategy stated in Question 1.
5. Analyze      three (3) considerations that the organization’s management should be      aware of. 
6. Examine      three (3) security issues that could arise from this type of an      infrastructure.
7. Use      at least three (3) quality resources in this assignment. Note: Wikipedia      and similar Websites do not qualify as quality resources. 

The paper must follow these formatting requirements:

• Be typed, double spaced, using Times New Roman font (size 12), with one-inch margins on all sides; citations and references must follow APA.
• The      paper will be checked for plagiarism so it must be original.