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Upgrading Kuberentes across multiple versions is more risky. Many customers choose to use cluster migration (that is, create a new high-version cluster, and then migrate the applications from the low-version cluster to the high-version cluster) instead of upgrading the cluster. However, how to migrate cluster with zero downtime has become a major challenge. This proposal propose a way to solve the problem.
Jing Gu is an engineer on Kubernetes Service team at Alibaba Cloud and is a member of Kubernetes. She primarily works on Kubernetes AIOps and cloud controller manager for Alibaba Cloud.
