Mastering OpenStack(Second Edition)
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OpenStack deployment

Deployment of OpenStack depends on the components were covered previously. It confirms your understanding of how to start designing a complete OpenStack environment. Of course, assuming the versatility and flexibility of such a cloud management platform, OpenStack offers several possibilities that can be considered an advantage. However, owing to such flexibility, it's a challenge to come with the right design decision that suits your needs.

At the end of the day, it all comes down to the use cases that your cloud is designed to service.

Many enterprises have successfully designed their OpenStack environments by going through three phases of design: designing a conceptual model, designing a logical model, and finally, realizing the physical design. It's obvious that complexity increases from the conceptual to the logical design and from the logical to the physical design.