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https://issues.apache.org/jira/browse/CASSANDRA-1970?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12980461#action_12980461
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Gary Dusbabek commented on CASSANDRA-1970:
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Of course that would be easier. But it would commit us to never altering the
format of MessageSerializer and adhering to the enveloping technique used by
MessagingService.packit(). It binds us too much IMO.
> Message version resolution
> --------------------------
>
> Key: CASSANDRA-1970
> URL: https://issues.apache.org/jira/browse/CASSANDRA-1970
> Project: Cassandra
> Issue Type: Sub-task
> Reporter: Gary Dusbabek
> Assignee: Gary Dusbabek
> Priority: Minor
> Fix For: 0.8
>
>
> When a new new node (version N) contacts an old node (version N-1) for the
> first time, the old node will not understand the message. One resolution
> mechanism would be for the old node to "bounce" the message back to the
> sender. The sender would then respond by translating the message to the
> appropriate version and resending it.
> For this to work, 0.7.1 will need to have the "bounce" feature.
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