Cloud Reference Architecture vs Cloud Computing Framework

“We know what cloud computing is and we have ITIL that guides us for service management. Do we really need any additional model or framework?” 

1. Discuss (4) reasons why NIST may or may not be superior for planning, designing, and building a real cloud computing environment when compared to IBM architecture

• IBM Cloud Computing Reference Architecture
• NIST Cloud Computing Reference Architecture
• 2.  What are some differences between a Cloud Reference Architecture and a Cloud Computing Framework, if any

Please make sure it is APA formatted and have 500 – 600 words.  All initial posts must contain a properly formatted in-text citation and scholarly reference.