Re: Cache control in trailers?

--------
Willy Tarreau writes:
> On Mon, Feb 08, 2021 at 08:51:51AM +0000, Poul-Henning Kamp wrote:
> > --------
> > Roy T. Fielding writes:
> > 
> > > Please, if there is something specifically wrong with the current definitions
> > > of Trailers in the specs currently in WGLC, [...]
> > 
> > There is, take for instance 6.5.1:
> > 
> > 	Many fields cannot be processed outside the header section
> > 	because their evaluation is necessary prior to receiving
> > 	the content, such as those that describe message framing,
> > 	routing, authentication, request modifiers, response controls,
> > 	or content format.
> > 
> > The unstated assumption is that the recipient cannot be required to
> > spool up the body and wait for the trailers before doing anything
> > with it.
>
> ... and watch the whole Web collapse because suddenly everyone
> needs to buffer every byte in flight before even knowing where to
> forward it if at all.
> [rant]
> But let's not suddenly declare that everything would be
> better at the end because this is utterly wrong.

Nice strawman, but nobody has advocated anything like that.

Now, if you have any considered opinions on offering *an extension*
which allows all *semantic metadata* fields be put at the end, I'd
love to hear them.

-- 
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 Monday, 8 February 2021 11:11:57 UTC