W3C home > Mailing lists > Public > ietf-http-wg@w3.org > January to March 2012

Re: Review: http://www.ietf.org/id/draft-mbelshe-httpbis-spdy-00.txt

From: Poul-Henning Kamp <phk@phk.freebsd.dk>
Date: Wed, 29 Feb 2012 23:53:34 +0000
To: Henrik Nordström <henrik@henriknordstrom.net>
cc: Mike Belshe <mike@belshe.com>, ietf-http-wg@w3.org
Message-ID: <9511.1330559614@critter.freebsd.dk>
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.

/me <- ducks

-- 
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, 29 February 2012 23:53:58 GMT

This archive was generated by hypermail 2.2.0+W3C-0.50 : Friday, 27 April 2012 06:51:56 GMT