Re: Upgrade status for impl draft 1
Roberto Peon <grmocg@gmail.com> Fri, 22 February 2013 13:42 UTC
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References: <B0FC9D1E-08EF-4275-9851-C8F33F24FF00@mnot.net> <20130222070214.GA14218@1wt.eu> <CAP+FsNfsNV1Ra1U3KT9u7D5NxYTNO_CVaG4u90MELbwq2fUU-A@mail.gmail.com> <20130222133821.GB14696@1wt.eu>
Date: Fri, 22 Feb 2013 05:41:21 -0800
Message-ID: <CAP+FsNcXM0=4WTFidPupGO155qcNHJhjAdAHg2UFEOg_iKLyjg@mail.gmail.com>
From: Roberto Peon <grmocg@gmail.com>
To: Willy Tarreau <w@1wt.eu>
Cc: Mark Nottingham <mnot@mnot.net>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: Upgrade status for impl draft 1
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I think we're agreeing, then, pre-supposing that we're expecting an HTTP/1.1 server on the other side. -=R On Fri, Feb 22, 2013 at 5:38 AM, Willy Tarreau <w@1wt.eu> wrote: > On Fri, Feb 22, 2013 at 05:14:03AM -0800, Roberto Peon wrote: > > Are you proposing following normal Upgrade semantics (that would add an > RT, > > bleh). > > The magic which we have now is intended to make noncompliant > intermediaries > > barf. We know that Upgrade doesn't work particularly well for this from > WS > > experimentation, and a successful Upgrade (as viewed from the server's > > perspective) doesn't necessarily mean that you're free-and-clear to talk > in > > the next protocol. > > I agree on this last point, but this probably is where the magic can help > if > placed at the proper location. In WS, we refrained from sending anything > along > with the handshake. However there is nothing that prevents us from sending > the > upgrade and the magic in the same packet to validate that the channel > really > is open : > > > HEAD * HTTP/1.1 > > Host: foo > > Upgrade: HTTP/2.0 > > Connection: Upgrade > > > > MAGIC-request > (first frame etc...) > > < HTTP/1.1 101 Switching > < Upgrade: HTTP/2.0 > < Connection: Upgrade > < > < MAGIC-response > > And then it makes a lot of sense to have a MAGIC-request above that > should cause an abort on most systems (as Mark has been experimenting > with), because as long as intermediaries are 1.1-compliant, they will > correctly forward 2.0 to the end point without breaking the connection. > The ones broken will only be the non-compliant ones. > > Willy > >
- Upgrade status for impl draft 1 Mark Nottingham
- Re: Upgrade status for impl draft 1 James M Snell
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Martin Thomson
- Re: Upgrade status for impl draft 1 Martin Thomson
- Re: Upgrade status for impl draft 1 Mark Nottingham
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Roberto Peon
- Re: Upgrade status for impl draft 1 Roberto Peon
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Roberto Peon
- Re: Upgrade status for impl draft 1 Roberto Peon
- Re: Upgrade status for impl draft 1 Roland Zink
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Mark Nottingham
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 Mark Nottingham
- Re: Upgrade status for impl draft 1 Willy Tarreau
- Re: Upgrade status for impl draft 1 William Chan (ιζΊζ)
- Re: Upgrade status for impl draft 1 Mark Nottingham
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Ted Hardie
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Ted Hardie
- Re: Upgrade status for impl draft 1 Amos Jeffries
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Amos Jeffries
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Ted Hardie
- Re: Upgrade status for impl draft 1 Eliot Lear
- Re: Upgrade status for impl draft 1 Ted Hardie