Write a two to three page paper in which you:
- Describe  at least three items that an organization's IT / IS department  should consider when an organization's strategy calls for the use of  SaaS, PaaS, or IaaS. 
 
- Evaluate  the ways that SaaS, PaaS, and IaaS are used to reduce Total Cost of  Ownership and increase Return on Investment (ROI).
 
- 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.
 
- Examine the impact to the IT support personnel when an organization embarks on the strategy stated in Question 1.
 
- Analyze three considerations that the organization's management should be aware of. 
 
- Examine three security issues that could arise from this type of an infrastructure.
 
- Use  at least three quality resources in this assignment.
 
Your assignment must follow these formatting requirements:
- Be  typed, double spaced, using Times New Roman font , with  one-inch margins on all sides; citations and references must follow APA  or school-specific format. Check with your professor for any additional  instructions.
 
- Include  a cover page containing the title of the assignment, the student's  name, the professor's name, the course title, and the date. The cover  page and the reference page are not included in the required assignment  page length.
 
- Include  charts or diagrams created in Visio or an equivalent such as Dia. The  completed diagrams / charts must be imported into the Word document  before the paper is submitted.
 
The specific course learning outcomes associated with this assignment are:
- Describe  the process of administering enterprise systems, including the use of  virtualization and monitoring, power and cooling issues.
 
- Evaluate the total cost of ownership and return on investment for enterprise architecture alternatives
 
- Use technology and information resources to research issues in enterprise architecture.
 
- Write clearly and concisely about enterprise architecture topics using proper writing mechanics and technical style conventions.
 
Grading  for this assignment will be based on answer quality, logic /  organization of the paper, and language and writing skills,.