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The diagram below shows the different types of specifications and how they relate to the different elements of a typical cloud platform stack. RA1 builds upon the Reference Model (RM) specifications, and details:
details:
OpenStack: the selection of OpenStack version and OpenStack projects that would be components of the cloud platform, and specifications for their resiliency and availability
OpenStack APIs: the API version for each of the selected OpenStack projects for use by the workloads
Resources: the resources that shall be exposed to the workloads
Security: the practices and methods to secure the IaaS platform and the exposed resources (for example, hardware, images); these are in addition to the inbuilt OpenStack security mechanisms
Life Cycle Management (LCM): including but not limited to configuration management, logging, monitoring, and alerting.
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