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From "Luke Lu (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-9421) Convert SASL to use ProtoBuf and provide negotiation capabilities
Date Tue, 25 Jun 2013 16:52:22 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13693154#comment-13693154
] 

Luke Lu commented on HADOOP-9421:
---------------------------------

Yes, the connection would be lost if you simply using a vip instead of an HA proxy for fail
over. I think that we all agree that the server name/id negotiation is needed for general
sasl support. OTOH, the multiple server principal HA itself is "insane" in that negotiation
is always _required_ in case of fail over. That fact of the matter is that the server id doesn't
_have to_ change for HA. The argument for server id and negotiation using HA as the main use
case is weak.

That said, I'm actually pretty happy with how the _protocol_ turned out. My original title
for the JIRA: "Generalize SASL Support with Protocol Buffer" is spot on in the end :)
                
> 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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