Updating the design document

In this chapter, we walked through the different approaches and considerations for achieving H/A and scalability in OpenStack deployments. As Cloud Architects, we need to decide on the correct approach for our deployment and then document it thoroughly so that it can be evaluated by the larger team in our organization.

Each of the major OpenStack vendors has a reference architecture for highly available deployments and these should be used as a starting point for the design. The design should then be integrated with the existing Enterprise Architecture and modified to ensure that best practices established by the various stakeholders within an organization are followed.

For example, Red Hat's highly available control ...

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