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https://issues.apache.org/jira/browse/SPARK-6229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14372372#comment-14372372
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Reynold Xin commented on SPARK-6229:
------------------------------------

I didn't mean to have this as a public API (I was referring to the users of the 
API when I said "users" -- didn't actually mean Spark users). By "pluggable", I 
simply mean making we should be able to have a common core transport, and then 
have interfaces defined so we can support both SASL and SSL. On top of that, we 
can have just decide which one to use based on a config parameter.


> Support SASL encryption in network/common module
> ------------------------------------------------
>
>                 Key: SPARK-6229
>                 URL: https://issues.apache.org/jira/browse/SPARK-6229
>             Project: Spark
>          Issue Type: Sub-task
>          Components: Spark Core
>            Reporter: Marcelo Vanzin
>
> After SASL support has been added to network/common, supporting encryption 
> should be rather simple. Encryption is supported for DIGEST-MD5 and GSSAPI. 
> Since the latter requires a valid kerberos login to work (and so doesn't 
> really work with executors), encryption would require the use of DIGEST-MD5.



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