Event routing question

[Thomas Bernhardt]

I have a question please towards routing an event to remote actors:

Lets say I have node A hosting Akka actor A1, and node B hosting Akka actors B1 and B2.

A1 needs to send the same event to B1 and B2, however the event should only get serialized and transported to node B once, since there can be many B actors.

Is there an optimization or abstraction within Akka to make sure it is transported only once or do I need to write my own router perhaps?

Thank you!

Best regards,

Tom

[Henrik Engström]

Hi Tom,
You don't have to write your own router, you can use one from Akka.
Create a router Br on node B and have it forward the message to your
B1...Bn actors.
In your particular case the BroadcastRouter seems to be the right candidate.
See http://doc.akka.io/docs/akka/2.0.1/scala/routing.html
Cheers
//Henrik

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[Thomas Bernhardt]

Thank you Henrik.

The concern I would have is that I don't want my code to know where these B1..Bn actors live. For example, they could be B1..B10 on node B and B11 to B13 on node C (distributed in any random fashion). I would like Akka and Akka Cluster to know where these actors currently live and route accordingly. Is this type feature on the Akka roadmap please?

Best regards,

Tom

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From: Henrik Engström <henrik....@gmail.com>
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Sent: Wednesday, May 2, 2012 1:23 AM
Subject: Re: [akka-user] Event routing question

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[Henrik Engström]

Hi again,
Clustering will take care of this for you.
You can read more about the proposed Akka clustering here:
https://github.com/akka/akka/blob/master/akka-docs/cluster/cluster.rst
Cheers
//Henrik

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