- From: Eric Rescorla <ekr@rtfm.com>
- Date: Wed, 29 Feb 2012 16:20:04 -0800
- To: Adrien de Croy <adrien@qbik.com>
- Cc: Poul-Henning Kamp <phk@phk.freebsd.dk>, Henrik Nordström <henrik@henriknordstrom.net>, Mike Belshe <mike@belshe.com>, ietf-http-wg@w3.org
On Wed, Feb 29, 2012 at 4:09 PM, Adrien de Croy <adrien@qbik.com> wrote: > > > On 1/03/2012 12:53 p.m., Poul-Henning Kamp wrote: >> >> In message<1330559425.24673.149.camel@home.hno.se>, Henrik >> =?ISO-8859-1?Q?Nord >> str=F6m?= writes: >>> >>> ons 2012-02-29 klockan 15:16 -0800 skrev Mike Belshe: >>> >>>> The problem with upgrade is that it costs a round trip of latency. >>> >>> Only if you are pipelining and then only on the second request, and >>> pipelining on the first request is generally a bad idea anyway. So no. >> >> There is of course an incredible evil way to indicate what protocol >> you want, without expending a RTT: >> >> Have the server send a TCP option in the SYN+ACK packet that tells >> you what it can do on this TCP connection. > > > Heh.. I was just about to suggest a TCP option. > > I don't think stack support is that good for such things though. No doubt this is why SPDY uses a TLS extension (NPN). -Ekr
Received on Thursday, 1 March 2012 00:21:14 UTC