July 18, 2025
Linkerd 2.17 introduced federated Services, which allow a single Service to seamlessly span all your clusters in a multicluster setup, enabling advanced failover and easier application design. The magic of federated Services is that they act like single Services: Linkerd handles all the hard parts of keeping the federated Service constantly up to date as clusters come and go, so your application doesn’t need to think about crossing clusters at all, and failover is completely automatic.
Watch this deep dive into how federated Services work and how to best take advantage of them!