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Date: Tue, 12 May 2015 18:35:04 +0000 (UTC)
From: "stack (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Message-ID: <JIRA.12783765.1426888056000.90816.1431455704542@Atlassian.JIRA>
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 <JIRA.12783765.1426888056039@arcas>
Subject: [jira] [Commented] (HDFS-7966) New Data Transfer Protocol via
 HTTP/2
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    [ https://issues.apache.org/jira/browse/HDFS-7966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14540424#comment-14540424 ] 

stack commented on HDFS-7966:
-----------------------------

bq. I'm probably missing something ..

You answered. New URL. So you have to ask for it. Ok. Thanks.

> New Data Transfer Protocol via HTTP/2
> -------------------------------------
>
>                 Key: HDFS-7966
>                 URL: https://issues.apache.org/jira/browse/HDFS-7966
>             Project: Hadoop HDFS
>          Issue Type: New Feature
>            Reporter: Haohui Mai
>            Assignee: Qianqian Shi
>              Labels: gsoc, gsoc2015, mentor
>         Attachments: GSoC2015_Proposal.pdf
>
>
> The current Data Transfer Protocol (DTP) implements a rich set of features that span across multiple layers, including:
> * Connection pooling and authentication (session layer)
> * Encryption (presentation layer)
> * Data writing pipeline (application layer)
> All these features are HDFS-specific and defined by implementation. As a result it requires non-trivial amount of work to implement HDFS clients and servers.
> This jira explores to delegate the responsibilities of the session and presentation layers to the HTTP/2 protocol. Particularly, HTTP/2 handles connection multiplexing, QoS, authentication and encryption, reducing the scope of DTP to the application layer only. By leveraging the existing HTTP/2 library, it should simplify the implementation of both HDFS clients and servers.


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