Akka pub sub with routers(not via classic)

Akka Libraries
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Hello,
We want to implement akka as our pub sub solution(internal to process, not distributed), we will need to use routers, but we will also need to publish a message to several routers at once based on topic, the only thing I found is this:

but it is “classical” is it possible to implement the same mechanism in the new akka?
second issue is that the routeels will use “round robin” this is a problem for us, I want something that is equivalent to SmallestMailboxPool in the not calssic akka (meaning the router will hold the msg until a any of the routee’s is ready) do we have a mechanism like that? or should I just implement it in “classic” way?

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You have Pool Routers and there is a Broadcast mechanism. Routers • Akka Documentation

However, there is no smallest mailbox strategy. If that is important an alternative could be to use the work pulling pattern described in Reliable delivery • Akka Documentation
It can be used for local only actors.

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