Deep Dive into Cilium Multi-cluster

Let’s review some of the use cases of connecting multiple Kubernetes clusters before we dive into the implementation details. High availability is the most obvious use case for most. This use case includes operating Kubernetes clusters in multiple regions or availability zones and runs the replicas of the same services in each cluster. Upon failure, requests can fail over to other clusters. The failure scenario covered in this use case is not primarily the complete unavailability of the entire region or failure domain.
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