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Re: The problem of having multiple Content-Range headers in HTTP response

From: Yves Lafon <ylafon@w3.org>
Date: Fri, 5 Mar 2010 10:42:13 -0500 (EST)
To: Jack Jansen <Jack.Jansen@cwi.nl>
cc: raphael.troncy@eurecom.fr, Media Fragment <public-media-fragment@w3.org>
Message-ID: <alpine.DEB.1.10.1003051041200.21692@wnl.j3.bet>
On Thu, 4 Mar 2010, Jack Jansen wrote:

> Upon reading the HTTP spec it is indeed clear that the authors want the 
> Content-Range value to be canonical, unique and in bytes. I think I also 
> se the value of that decision.

No, see http://tools.ietf.org/html/draft-ietf-httpbis-p5-range-08

It _defines_ only bytes.

> I would be more in favor of a separate header (either 
> Content-Range-Equivalent or Fragment) than of the multipart solution, 
> because the multipart solution would introduce yet another "language" 
> inside the multipart bit.
> But: I'm not sure I understand the value of the {} expressions. Do we really think there are real-world cases where we could do byte-range based caching if a media item was fragmented along any axis other than the time axis? So, something like
> 	Content-Range-Equivalent: t:npt 28.85-100.34/653.791
> should be good enough, I think.
> --
> Jack Jansen, <Jack.Jansen@cwi.nl>, http://www.cwi.nl/~jack
> If I can't dance I don't want to be part of your revolution -- Emma Goldman

Baroula que barouleras, au tiéu toujou t'entourneras.

Received on Friday, 5 March 2010 15:42:18 UTC

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