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ACCA Strategic Professional · Strategic Business Leader · Cloud, mobile and smart technology

Zenith Retail's in-house developers want to build and deploy a custom loyalty-card application quickly. They do not want to manage servers, operating systems or database patching, but they want full control over the application code and data they write. Which cloud model is most appropriate, and what is the main implication for responsibility?

Platform as a Service is appropriate. The provider manages servers, operating systems and the runtime environment, while Zenith keeps control and responsibility for its own application code and data. IaaS would burden Zenith with operating system management, and SaaS would not allow custom development.

  1. AIaaS; Zenith remains responsible for the operating system and middleware as well as the code
  2. BPaaS; the provider manages the underlying infrastructure and runtime, while Zenith remains responsible for its application code and dataCorrect
  3. CSaaS; the provider is responsible for the application code and Zenith only manages user access
  4. DPaaS; the provider is responsible for the application code and data security as well as the runtime

Explanation

PaaS provides a development and deployment environment where the provider manages infrastructure, operating system and runtime. The customer keeps responsibility for its own applications and data. IaaS would require Zenith to manage the operating system, which it wants to avoid.

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