In today’s rapidly evolving technological landscape, organizations are increasingly embracing cloud-native architectures and leveraging the power of Kubernetes for application deployment and management. However, as enterprises grow and their infrastructure becomes more complex, a single Kubernetes cluster on a single cloud provider may no longer suffice,  potentially leading to limitations in redundancy, disaster recovery, vendor lock-in, performance optimization, geographical diversity, cost-efficient scaling, and security and compliance measures. This is where the concept of a multi Kubernetes cluster on multi-cloud, combined with a multi-cluster service mesh, emerges as a game-changer. This does sound complex, but let’s walk through and understand each part in the coming sections.

In this blog post, we will learn why a multi-cluster setup is needed? How does Istio Service Mesh work on multi-clusters? How does Admiral simplify multi-cluster Istio configuration? And then, we will set up the end-to-end service communication on multi-cloud Kubernetes clusters on AWS and Azure.

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