f=/v1.22/blog/2019/isolated-clusters/#features-of-multi-mesh-deployments>Features of multi-mesh deployments</a>.</li><li>Service discovery across many clusters.</li><li>Supporting active-active & HA/DR deployments. We also had to support these crucial resiliency patterns with services being deployed in globally unique namespaces across discrete clusters.</li></ul><p>We have over 160 Kubernetes clusters with a globally unique namespace name across all clusters. In this configuration, we can have the same ser