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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-1701) Provide a simple authentication service and a user management service
Date Tue, 09 Oct 2007 20:59:51 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-1701?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HADOOP-1701:
-------------------------------------------

    Attachment:     (was: design20070828.pdf)

> Provide a simple authentication service and a user management service
> ---------------------------------------------------------------------
>
>                 Key: HADOOP-1701
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1701
>             Project: Hadoop
>          Issue Type: New Feature
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: 1701_20071009api.patch
>
>
> In HADOOP-1298, we want to add user information and permission to the file system.  It
requires an authentication service and a user management service.  We should provide a framework
and a simple implementation in issue and extend it later.  As discussed in HADOOP-1298, the
framework should be extensible and pluggable.
> - Extensible: possible to extend the framework to the other parts (e.g. map-reduce) of
Hadoop.
> - Pluggable: can easily switch security implementations.  Below is a diagram borrowed
from Java.
> !http://java.sun.com/javase/6/docs/technotes/guides/security/overview/images/3.jpg!
> - Implement a Hadoop authentication center (HAC).  In the first step, the mechanism of
HAC is very simple, it keeps track a list of usernames (we only support users, will work on
other principals later) in HAC and verify username in user login (yeah, no password).  HAC
can run inside NameNode or run as a stand alone server.   We will probably use Kerberos to
provide more sophisticated authentication service.

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