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https://issues.apache.org/jira/browse/TS-2812?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14009842#comment-14009842
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Sudheer Vinukonda commented on TS-2812:
---------------------------------------

I don't believe forwarding/transmitting lower case headers from ATS to the 
origin is a "bug". 

HTTP/1 clearly says the receiver should accept headers in any case, so, 
converting lower case spdy headers to camel case within ATS, infact, seems like 
hiding the problem and doesn't seem like a good solution for the long run 
(HTTP/2 and SPDY both mandate the senders to transmit lower case headers). 

> 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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