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Re: HTTP/2 Priorities Proposal

From: Mark Nottingham <mnot@mnot.net>
Date: Wed, 23 Apr 2014 11:43:46 +1000
Cc: Jeff Pinner <jpinner@twitter.com>, Martin Thomson <martin.thomson@gmail.com>
Message-Id: <47F24C0D-EC29-4754-A77D-896633E4548B@mnot.net>
To: HTTP Working Group <ietf-http-wg@w3.org>
OK, let's wrap this up.

I don't hear anyone objecting, and there seems to be broad support for this change (albeit not fervent).

Martin, let's go ahead and incorporate it. 


On 23 Apr 2014, at 3:53 am, Jeff Pinner <jpinner@twitter.com> wrote:

> On Tue, Apr 22, 2014 at 10:31 AM, <bizzbyster@gmail.com> wrote:
> Will's original document on priorities included a few use cases that I'm fuzzy on how they would work in this new proposal. For example, let's say my browser is set to open two tabs to webpage1 and webpage2 when I first launch it. Let's say that webpage1 is the foreground tab initially but I immediately decide to click on webpage2 while both pages are loading. Changing the priority of the objects to reflect this was an easy thing to do with priority groups but I'm fuzzy on how this would work using Jeff's priorities proposal.  Can someone clarify?
> Thanks in advance,
> Peter
> Simply send a PRIORITY frame for the root dependency of webpage2 to increase its weight.
> For example, let's say you have
> root --(256)-- webpage1/ .... webpage 1 dependencies
>       \--(16)-- webpage2/ .... webpage 2 dependencies
> where webpage1 has weight 256 because it was the foreground tab. If the user clicks on webpage2, send a PRIORITY frame for webpage2 with the same 0x0 dependency but with a higher weight. You can even send another for webpage1 with the a lower weight.

Mark Nottingham   http://www.mnot.net/
Received on Wednesday, 23 April 2014 01:44:11 UTC

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