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