Re: [hybi] Fwd: New Version Notification for draft-mcmanus-httpbis-h2-websockets-01.txt
Kari Hurtta <hurtta-ietf@elmme-mailer.org> Sat, 11 November 2017 10:45 UTC
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To: Kazuho Oku <kazuhooku@gmail.com>
Date: Sat, 11 Nov 2017 12:45:12 +0200
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From: Kari Hurtta <hurtta-ietf@elmme-mailer.org>
CC: Takeshi Yoshino <tyoshino@google.com>, Kari Hurtta <hurtta-ietf@elmme-mailer.org>, hybi <hybi@ietf.org>, Patrick McManus <pmcmanus@mozilla.com>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: [hybi] Fwd: New Version Notification for draft-mcmanus-httpbis-h2-websockets-01.txt
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Kazuho Oku <kazuhooku@gmail.com>: (Sat Nov 11 09:46:58 2017) <...> > > We could design error code, fallback, etc. for this kind of cases if it > > turns out we really need to take care of. For the initial implementation, > > maybe we could just let browsers give up when a connection attempt fails on > > a connection with ENABLE_UPGRADE (or ENABLE_CONNECT_PROTOCOL) announced. > > I agree. > > While I agree that having a status code that indicates failure to > upgrade the connection "end-to-end" might be a nice idea, I would also > argue that the necessity is not specific to HTTP/2. > > We could have had a connection-cannot-be-upgraded status code for > HTTP/1.1. But in reality, we do not have such a status code, and > nobody has argue for having that (as I know of). There is (sort of) 426 Upgrade Required normally, if Upgrade can not done, http request is processed without protocol change. This status code allows refusing of processing. 426 Upgrade Required is defined on RFC 2817: Upgrading to TLS Within HTTP/1.1 https://tools.ietf.org/html/rfc2817 Yes, that status code is for somewhat different purpose. > Considering the fact, I would anticipate that we will be fine without > adding a new status code to indicate such failure. > > -- > Kazuho Oku / Kari Hurtta
- [hybi] Fwd: New Version Notification for draft-mc… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… John Fallows
- Re: [hybi] Fwd: New Version Notification for draf… Martin Thomson
- Re: [hybi] New Version Notification for draft-mcm… Mark Nottingham
- Re: [hybi] Fwd: New Version Notification for draf… Andy Green
- Re: [hybi] New Version Notification for draft-mcm… Martin Thomson
- Re: [hybi] New Version Notification for draft-mcm… Mark Nottingham
- Re: [hybi] Fwd: New Version Notification for draf… Amos Jeffries
- Re: [hybi] Fwd: New Version Notification for draf… Andy Green
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… John Fallows
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… John Fallows
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… Anne van Kesteren
- Re: [hybi] New Version Notification for draft-mcm… Kazuho Oku
- Re: [hybi] New Version Notification for draft-mcm… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… Patrick McManus
- Re: [hybi] Fwd: New Version Notification for draf… Willy Tarreau
- Re: [hybi] Fwd: New Version Notification for draf… Kazuho Oku
- Re: [hybi] Fwd: New Version Notification for draf… Wenbo Zhu
- Re: [hybi] Fwd: New Version Notification for draf… Kari Hurtta
- Re: [hybi] Fwd: New Version Notification for draf… Kari Hurtta
- Re: [hybi] Fwd: New Version Notification for draf… Andy Green
- Re: [hybi] Fwd: New Version Notification for draf… Kazuho Oku
- Re: [hybi] Fwd: New Version Notification for draf… Kari Hurtta
- Re: [hybi] Fwd: New Version Notification for draf… Takeshi Yoshino
- Re: [hybi] Fwd: New Version Notification for draf… Takeshi Yoshino
- Re: [hybi] Fwd: New Version Notification for draf… Kari Hurtta
- Re: [hybi] Fwd: New Version Notification for draf… Takeshi Yoshino
- Re: [hybi] Fwd: New Version Notification for draf… Kazuho Oku
- Re: [hybi] Fwd: New Version Notification for draf… Kari Hurtta
- Re: [hybi] Fwd: New Version Notification for draf… Kazuho Oku
- Re: [hybi] Fwd: New Version Notification for draf… Mike Bishop