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https://issues.apache.org/jira/browse/CASSANDRA-5339?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13600505#comment-13600505
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Eric Dong commented on CASSANDRA-5339:
--------------------------------------

Pull request in GitHub: https://github.com/apache/cassandra/pull/14
                
> YAML network topology snitch supporting preferred addresses
> -----------------------------------------------------------
>
>                 Key: CASSANDRA-5339
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-5339
>             Project: Cassandra
>          Issue Type: New Feature
>            Reporter: Eric Dong
>            Priority: Minor
>
> In order to support having a Cassandra cluster spanning multiple data 
> centers, some in Amazon EC2 and some not, I'm submitting a YAML network 
> topology snitch that allows one to configure 'preferred addresses' such as a 
> data-center-local address. The new snitch reconnects to the node via the 
> preferred address using the same reconnection trick present in 
> Ec2MultiRegionSnitch.
> I chose a new YAML format instead of trying to extend 
> cassandra-topology.properties because it is easier to read and allows for 
> future extensibility.
> Pull request to follow.

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