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https://issues.apache.org/jira/browse/HADOOP-9421?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688055#comment-13688055
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Daryn Sharp commented on HADOOP-9421:
-------------------------------------
I think I may be able to make everyone happy, by actually reducing the current
message exchange for tokens.
Current flow:
{noformat}
1: C -> S connectionHeader
2: C -> S TOKEN sasl:null
3: C <- S TOKEN sasl:token-challenge
4: C -> S TOKEN sasl:token-response
...
{noformat}
Patch flow:
{noformat}
1 : C -> S connectionHeader
1.1: C <- S [TOKEN, KERBEROS] sasl:null
2 : C -> S TOKEN sasl:null
3 : C <- S TOKEN sasl:token-challenge
4 : C -> S TOKEN sasl:token-response
...
{noformat}
How about:
{noformat}
1 : C -> S connectionHeader
1.1: C <- S [TOKEN, KERBEROS] sasl:token-challenge
4 : C -> S TOKEN sasl:token-response
...
{noformat}
I'm testing to see if this will work.
> Convert SASL to use ProtoBuf and add lengths for non-blocking processing
> ------------------------------------------------------------------------
>
> 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
> Attachments: HADOOP-9421.patch, HADOOP-9421.patch, HADOOP-9421.patch,
> HADOOP-9421.patch, HADOOP-9421-v2-demo.patch
>
>
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