[jira] [Commented] (CASSANDRA-2491) A new config parameter, broadcast_address

["Brandon Williams (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/CASSANDRA-2491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13049366#comment-13049366 ] 

Brandon Williams commented on CASSANDRA-2491:
---------------------------------------------

Why the changes to StreamRequestMessage?

> A new config parameter, broadcast_address
> -----------------------------------------
>
>                 Key: CASSANDRA-2491
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-2491
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>         Environment: x86_64 GNU/Linux
>            Reporter: Khee Chin
>            Assignee: Khee Chin
>            Priority: Trivial
>              Labels: patch
>             Fix For: 1.0
>
>         Attachments: 2491_broadcast_address.patch, 2491_broadcast_address_v2.patch
>
>   Original Estimate: 336h
>  Remaining Estimate: 336h
>
> A new config parameter, broadcast_address
> In a cluster setup where one or more nodes is behind a firewall and has a private ip address, listen_address does not allow the hosts behind the firewalls to be discovered by other nodes.
> Attached is a patch that introduces a new config parameter broadcast_address which allows Cassandra nodes to explicitly specify their external ip address. 
> In addition, this allows listen_address to be set to 0.0.0.0 on the already firewalled node.
> broadcast_address fallsback to listen_address when it is not stated.

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