Understanding Service Oriented Architecture.

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In 1300 words, answer the following questions in APA format with
three scholarly sources.

  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?