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Depending on specific requirements and existing architectures a business (use) case for procuring a cloud based service may cover the following deliverables:

• Current state for delivering the service.
  • Service model (Service Catalogue).
  • Cost and usage.
  • Controls.
• Future state for delivering the target service.
  • Operational service model.
  • Cost, usage and measurement.
  • Elasticity requirements.
• Objectives and Goals for externalizing the service.
  • Success factors.
• Primary and responsible users of the service.
• Existing architectures and model of service to be externalized.
• Future architectures with new service model.
• Impact on internal architectures after Cloud deployment of service.
• Mapping to Cloud architecture standards, such as necessary to desirable attributes.
• Process and Data Flows in new model.
• Standards, legal statutes and regulatory requirements to be met.
• Risk assessment and security recommendations.
  • Vendor analysis, review and audit on capabilities.
  • Security review with reference standards.
  • Incident handling.
  • Controls.
  • DRP and BCP impacts.
  • Mapping to existing internal risk management processes.
• Necessary SLA and Contract inclusions.
• Review of skill sets and other capabilities required by internal staff, including business management.
• Proposed Deployment model.
  • Objectives for project plan.
  • Stakeholder engagement requirements.
  • Resource demands.
  • Measurement targets.
  • Change management review.
  • Training - business and technology.
  • End state governance.