[OASIS Issue Tracker] Commented: (CMIS-24) cacheability in presenceof extension request headers

[OASIS Issues Tracker <workgroup_mailer@lists.oasis-open.org>]

    [ http://tools.oasis-open.org/issues/browse/CMIS-24?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16951#action_16951 ] 

Al Brown commented on CMIS-24:
------------------------------

JIRA Cleanup

> cacheability in presence of extension request headers
> -----------------------------------------------------
>
>                 Key: CMIS-24
>                 URL: http://tools.oasis-open.org/issues/browse/CMIS-24
>             Project: OASIS Content Management Interoperability Services (CMIS) TC
>          Issue Type: Bug
>          Components: REST/AtomPub Binding
>    Affects Versions: Draft 0.50
>            Reporter: Julian Reschke
>            Assignee: Al Brown
>             Fix For: Draft 0.60
>
>
> The spec should note that, whenever extension headers are used (in contrast to query parameters), the response needs to include a "Vary" header, so that proxies will not serve the wrong response.
> (Varying the response for a GET based on request headers simply is a form of content negotation, and the implications for intermediaries need to be properly discussed).

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