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https://issues.apache.org/jira/browse/CASSANDRA-6198?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13832117#comment-13832117
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sankalp kohli commented on CASSANDRA-6198:
------------------------------------------

As per javadoc in 
http://docs.oracle.com/javase/7/docs/api/java/nio/channels/SocketChannel.html
IP_TOS is not listed. So I am not sure whether it is a bug. 

> Distinguish streaming traffic at network level
> ----------------------------------------------
>
>                 Key: CASSANDRA-6198
>                 URL: https://issues.apache.org/jira/browse/CASSANDRA-6198
>             Project: Cassandra
>          Issue Type: Improvement
>          Components: Core
>            Reporter: sankalp kohli
>            Assignee: sankalp kohli
>            Priority: Minor
>
> It would be nice to have some information in the TCP packet which network 
> teams can inspect to distinguish between streaming traffic and other organic 
> cassandra traffic. This is very useful for monitoring WAN traffic. 
> Here are some solutions:
> 1) Use a different port for streaming. 
> 2) Add some IP header. 



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