- From: Zhong Yu <zhong.j.yu@gmail.com>
- Date: Thu, 14 Nov 2013 11:13:49 -0600
- To: Roberto Peon <grmocg@gmail.com>
- Cc: Frédéric Kayser <f.kayser@free.fr>, HTTP Working Group <ietf-http-wg@w3.org>
On Wed, Nov 13, 2013 at 9:24 PM, Roberto Peon <grmocg@gmail.com> wrote: > As far as I've seen, most small businesses get little enough traffic that > they wouldn't notice any difference w.r.t CPU usage. > .. and if it bothers them, they'd use HTTP/1.1 for web stuff, or are already > doing so. > > In any case, it is extremely likely that HTTP/2.0 on port 80 is nearly > undeployable for the web today. There are too many MITM proxies out there > that expect port 80 to carry only a subset of HTTP/1.1, and make a mess of > anything else. If that's the case, WebSocket is also "undeployable" since it tunnels though port 80 as well. > > So, any web deployment of HTTP/2 that is going to be reliable WILL use > encryption, and WILL incur the cost of encryption. > > .. as such, the only real question here is simply about authentication. > > I do expect that we'll see HTTP/2.0 in the clear, but that would be inside > of a VPN or other private network, and Mark's original email was talking > about the web usecase. > > -=R > > > On Wed, Nov 13, 2013 at 7:01 PM, Frédéric Kayser <f.kayser@free.fr> wrote: >> >> This also means HTTP/2 is not for everyone, it's only for big business, >> and you cannot get the speed benefit without some hardware investments. >> It also means that speed consciousness webdesigners will still have to >> continue using the awful CSS sprites trick when their target server is still >> HTTP/1.1 based. >> HTTP/2 sounded like a magical speed promise… that would be quickly >> adopted, but now it just looks like an alternative solely made for the big >> guys. >> >> Roberto Peon wrote: >> >> > The radio far dominates battery life considerations w.r.t IO on mobile >> > devices, so if we were super worried about that, we'd be working on getting >> > the best possible compression algorithm for entity-bodies. >> > >> > I note that with Mark's proposed 'C': >> > Encryption is not mandatory- one simply uses HTTP/1.1 if one don't want >> > encryption. Noone is thus forced to do anything: they're not forced to spend >> > more CPU, etc., unless they believe the benefit outweighs the cost. >> > >> > Honestly, this is where we are anyway. We don't have the power, even if >> > we wished it, to throw away HTTP/1.X and so we'll always be competing >> > against its cost/benefit. >> > >> > I'm pretty happy with either 'C' or any other proposal that provides >> > strong downgrade protection. >> > >> > -=R >> >> >
Received on Thursday, 14 November 2013 17:14:17 UTC