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https://issues.apache.org/jira/browse/THRIFT-3979?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15681324#comment-15681324
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James E. King, III commented on THRIFT-3979:
--------------------------------------------

Based on my read of THeader documentation, it is up to the server or client to 
provide the information.  I think it would be more useful if the thrift core 
provides the necessary mechanisms for uniquely identifying a client within a 
handler, but I suppose if someone wants to use state they could require that 
the client send a unique session ID as a header with every request to maintain 
a state across calls.  This makes the mechanism implementation specific and 
optional depending on the application which is nice.

> offer TExtendedBinaryProtocol for customers
> -------------------------------------------
>
>                 Key: THRIFT-3979
>                 URL: https://issues.apache.org/jira/browse/THRIFT-3979
>             Project: Thrift
>          Issue Type: Story
>          Components: Wish List
>    Affects Versions: 0.9.3
>            Reporter: Xiaoshuang LU
>
> Sometimes, customers wanna put some options (username, password, id, etc.) in 
> each request and response. And these options ought to be transparent for 
> applications.
> Unfortunately, thrift protocol does not have good extensibility for extra 
> functionalities. I would like to propose the following solution to address 
> this issue.
> 1. TMessage adds a new field called "options"
> 2. customers set "options"
> 3. TExtendedBinaryProtocol writes "options" when "writeMessageBegin" invoked
> 4. TExtendedBinaryProtocol reads "options" when "readMessageBegin" invoked



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