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https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13692453#comment-13692453
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Luke Lu commented on HADOOP-9421:
---------------------------------
bq. The serverid is essentially the key to lookup the new service ticket for
INITIATE
More precisely: the server id is the key for KDC(TGS) to look up corresponding
server principal and generate the service ticket with the client's TGT for the
client to INITIATE the Kerberos Auth. Sharing the server principal between HA
servers will make the HA seamless.
For tokens, it really doesn't matter, as the "old" server id is the logical id
for digest uri in the Digest-MD5 token. SCRAM doesn't care about server id at
all.
> 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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