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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9421) Convert SASL to use ProtoBuf and provide negotiation capabilities
Date Tue, 25 Jun 2013 14:08:25 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693054#comment-13693054
] 

Daryn Sharp commented on HADOOP-9421:
-------------------------------------

bq. It's an "insane" solution for HA because HA will not be seamless due the race condition
I mentioned. It's fixable with more negotiate rounds with more logic though

There no race.  Let's say the client gets a negotiate with that server's principal user &
host, but the connection is lost before/during the SASL exchange.  When the client reconnects
it will get a new negotiate for that server containing that server's principal user and host.
 The authentication to the failover server will be seamless. :)
                
> Convert SASL to use ProtoBuf and provide negotiation capabilities
> -----------------------------------------------------------------
>
>                 Key: HADOOP-9421
>                 URL: https://issues.apache.org/jira/browse/HADOOP-9421
>             Project: Hadoop Common
>          Issue Type: Sub-task
>    Affects Versions: 2.0.3-alpha
>            Reporter: Sanjay Radia
>            Assignee: Daryn Sharp
>            Priority: Blocker
>             Fix For: 3.0.0, 2.1.0-beta, 2.2.0
>
>         Attachments: HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
HADOOP-9421-v2-demo.patch
>
>


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