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Re: Rechartering HTTPbis

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Wed, 25 Jan 2012 19:52:53 +0000
To: Adrien de Croy <adrien@qbik.com>
cc: Amos Jeffries <squid3@treenet.co.nz>, ietf-http-wg@w3.org
Message-ID: <2482.1327521173@critter.freebsd.dk>
In message <4F205B2E.5080407@qbik.com>, Adrien de Croy writes:

>> * Option for specifying preliminary metadata in front of content and
>>    update it to final values after content.  This allows a server to
>>    Say this looks like "200=OK, 1Mbyte long, text/html, but hold on..."
>>    then send the object and update with "I was wrong, it was only 800k.",
>>    "Ohh, and btw, it expires in 4 seconds", "my disk failed, sorry: 206".
>
>that will make life really hard for intermediaries.  When can you write 
>your cache index information, if information will be countermanded.

Actually it will make it easier for some of them, for instance during
ESI operations.

It also means that we don't have to abandon a TCP connection just because
something went wrong with a object (ie: more separation of transport
from content)

-- 
Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
phk@FreeBSD.ORG         | TCP/IP since RFC 956
FreeBSD committer       | BSD since 4.3-tahoe    
Never attribute to malice what can adequately be explained by incompetence.
Received on Wednesday, 25 January 2012 19:53:22 GMT

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