Haohui Mai created HDFS-7966:
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Summary: 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: Haohui Mai
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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