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https://issues.apache.org/jira/browse/TS-2812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14000650#comment-14000650
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James Peach commented on TS-2812:
---------------------------------

AFAICT, this is an implementation issue with the in-core SPDY implementation. 
It implements headers with {{FetchSM::ext_add_header}} which just writes the 
raw header values. The original experimental SPDY implementation uses 
{{TSMimeHdrFieldCreateNamed}} to create the HTTP request header, which I 
believe converts well-known headers to their canonical case.

> header_normalize to convert lower case spdy hdrs to camel case for backward 
> compatibility
> -----------------------------------------------------------------------------------------
>
>                 Key: TS-2812
>                 URL: https://issues.apache.org/jira/browse/TS-2812
>             Project: Traffic Server
>          Issue Type: New Feature
>          Components: SPDY
>            Reporter: Sudheer Vinukonda
>              Labels: spdy, yahoo
>         Attachments: ts2812.diff
>
>
> During our SPDY testing, we observed that certain legacy systems are not able 
> to handle lower case hdrs mandated by SPDY (and even http 1.0). This simple 
> plugin converts the lowercase header names into camel case and could be used 
> as an interim solution until the legacy systems are upgraded.



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