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Describe in detail the component architecture including but limited to the subsystems/sub-components, Databases, interfaces, etc...

3- Design

Describe software design that is the activity of taking the architecture (design principles & assumptions) and describing a software solution. Software design defines software solutions which are traceable to requirements (architecture), can be integrated, extensible, modular, fault tolerant,maintainable, reliable, reusable, secure, scalable, and robust..https://docs.onap.org/projects/onap-cps/en/latest/overview.html

4- Modeling

Describe all the related Models that this component uses and any assumptions

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