Take a look at the play.api.libs.iteratee.Concurrent to find other options than broadcast (one to many). You probably want to read up on both iteratees and actors to see what fits your use case best.

James Roper wrote a nice blog article about iteratees that you can find here:

The Akka docs are good for getting into how and what Actors are:

Also, if you are new to Play then you should probably invest some time in getting a firm grip on the basic before jumping into more advanced stuff like iteratees.

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