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Learning OpenStack High Availability by Rishabh Sharma

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Summary

In this chapter, we learned the fundamentals of high availability and what a highly available design is meant to achieve in a production environment.

We have also learned about SPOF, RTO, RPO MTTR, MTTF, MTTF, the concept of SLA, and the general architectural design of a highly available system with an overview of OpenStack high availability requirements and the various ways of achieving high availability in OpenStack.

In the next chapter, we will take a deep dive into database replication and how to build an efficient and reliable messaging cluster to enable high availability in OpenStack.

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