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Running Kubernetes on Multiple Clusters
In this chapter, we’ll take it to the next level and consider options for running Kubernetes and deploying workloads on multiple clouds and multiple clusters. Since a single Kubernetes cluster has limits, once you exceed these limits you must run multiple clusters. A typical Kubernetes cluster is a closely-knit unit where all the components run in relative proximity and are connected by a fast network (typically, a physical data center or cloud provider availability zone). This is great for many use cases, but there are several important use cases where systems need to scale beyond a single cluster or a cluster needs to be stretched across multiple availability zones.
This is a very active area in Kubernetes ...
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