Alabama State University Understanding Service Oriented Architecture Discussion

Questions 1-4

1200 words total. 3 APA cited references and reference list. No plagiarism!

1.Using research and your own experience, explain why reliance on legacy systems will limit the ability of an organization to adopt SOA on a large scale. What mitigation steps can be taken to help transition legacy systems to service orientation?

2.Using research and your own experience, explain why the initial investment in using a SOA solution requires a high level of adoption to be worthwhile. What are the limitations of using SOA for short term software solutions instead of as a long-term commitment?

3.Choose three of the goals from the SOA Manifesto (available at www.soa-manifesto.org) and explain how they could be fulfilled in a current generation (Web 2.0) Web service. What qualities of Web services allow each of these goals to be fulfilled?

4.Evaluate the effect on Return on Investment (ROI) if a service is used for only one composition in a service inventory. How does this compare to the ROI for a single-use software system in traditional software development?

Question 5

250 words total. 2 APA cited references and reference list. No plagiarism!

5. Pick and discuss in detail (Only one)one of the eight service-oriented design principles. Use your own words, please do not copy, and paste out of the book