In short, these are complimentary things. Think about it like this: you use aspire to define the pieces which your app is comprised of (services, databases, etc), and that includes your Orleans silos & clients. Aspire lets you configure clustering once and then pass it to the services which consume it - rather than having to configure clustering identically in every silo & client app, for example. Here's an example of the work-in-progress: https://x.com/reubenbond/status/1724479093247549470?s=20