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From "Benoy Antony (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5910) Enhance DataTransferProtocol to support encrypted and plain-text communication
Date Fri, 07 Feb 2014 20:52:19 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5910?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Benoy Antony updated HDFS-5910:

    Attachment: HDFS-5910.patch

An enhancement is done on dataTransferProtocol to decide this based on pluggable Resolver.
This is the same resolver introduced in HADOP-10221

The DFSClient is modified to look into its local config in addition to the encryption requirement
indicated by Namenode to decide whether to encrypt the data transfer.
The NN is modified to return encryption key to the clients even if encryption is not turned
The datanode is modified to consult with the resolver in addition to _dfs.encrypt.data.transfer_

> Enhance DataTransferProtocol to support encrypted and plain-text communication
> ------------------------------------------------------------------------------
>                 Key: HDFS-5910
>                 URL: https://issues.apache.org/jira/browse/HDFS-5910
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: security
>    Affects Versions: 2.2.0
>            Reporter: Benoy Antony
>            Assignee: Benoy Antony
>         Attachments: HDFS-5910.patch
> It is possible to enable encryption of DataTransferProtocol. 
> In some use cases, it is required to encrypt data transfer with some clients , but communicate
in plain text with some other clients and datanodes.

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