Re: New Version Notification for draft-kazuho-early-hints-status-code-00.txt
Kazuho Oku <kazuhooku@gmail.com> Tue, 01 November 2016 07:13 UTC
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From: Kazuho Oku <kazuhooku@gmail.com>
Date: Tue, 01 Nov 2016 16:08:43 +0900
Message-ID: <CANatvzwNDHd0bhDSWBZ2DxezxxrLwLFjZ7PsyCMthy64_xh4Bg@mail.gmail.com>
To: Julian Reschke <julian.reschke@gmx.de>
Cc: Cory Benfield <cory@lukasa.co.uk>, HTTP Working Group <ietf-http-wg@w3.org>
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Subject: Re: New Version Notification for draft-kazuho-early-hints-status-code-00.txt
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2016-11-01 15:32 GMT+09:00 Julian Reschke <julian.reschke@gmx.de>: > On 2016-11-01 02:32, Kazuho Oku wrote: >> >> Cory, Julian, thank you for looking into the I-D. >> >> Thank you for looking into the existing implementations using Python. >> Your research makes it evident that some kind of negotiation is >> mandatory if we are going to use 103 on the public Internet. > > > Having to negotiate it makes me sad. Thank you for the suggestion. I think having negotiation is a good thing for Early Data, since there is no point in sending Early Data to a client that does not recognizes the headers included in the informational response. So I'd expect that if we define an Accept-EH header, a server serving to the Internet will send Early Data only when the header has included in the request. OTOH, we do not need to use Accept-EH header on a deployment in which the peer is known to support Early Data. Considering the two, having a clause like the following (with non-normative text explaining the background) seems reasonable to me: “a server SHOULD NOT send Early Data unless the client has sent an Accept-EH header” Does this look fine to you? >> For the purpose, defining an Accept-EH header (much like Accept-CH) >> might make sense. For example, a client can send `Accept-EH: Link` to >> indicate that it will recognize link headers within the Early Hints. > > > Can't we use "Prefer"? > >> For HTTP/2, my tendency leans toward using HTTP headers rather than >> having its own way of negotiation, considering the fact that the >> information transferred using Early Hints could be considered >> end-to-end rather than hop-by-hop, and also that we can expect HPACK >> to compress Accept-EH header efficiently. > > > For HTTP/2, I think we should push stronger to fix the code and not > negotiate at all. > >>> >>> I’ll start filing bugs against relevant repositories to address this >>> behaviour so that the Python ecosystem is less embarrassingly unprepared for >>> further 1XX status codes, but in the short-to-medium term it would be much >>> better if we could negotiate the 103 status code rather than assume it will >>> function correctly. >> >> >> Fantastic! Thank you for all your efforts. > > > Best regards, Julian > -- Kazuho Oku
- Fwd: New Version Notification for draft-kazuho-ea… Kazuho Oku
- Re: Fwd: New Version Notification for draft-kazuh… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Tatsuhiro Tsujikawa
- RE: New Version Notification for draft-kazuho-ear… Mike Bishop
- Re: New Version Notification for draft-kazuho-ear… Stefan Eissing
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- RE: New Version Notification for draft-kazuho-ear… Mike Bishop
- Re: New Version Notification for draft-kazuho-ear… Roy T. Fielding
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Patrick McManus
- Re: New Version Notification for draft-kazuho-ear… Werner Baumann
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- RE: New Version Notification for draft-kazuho-ear… Mike Bishop
- Re: New Version Notification for draft-kazuho-ear… Werner Baumann
- Re: New Version Notification for draft-kazuho-ear… Roy T. Fielding
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Willy Tarreau
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Andy Green
- Re: New Version Notification for draft-kazuho-ear… Werner Baumann
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Tatsuhiro Tsujikawa
- Re: New Version Notification for draft-kazuho-ear… Stefan Eissing
- RE: New Version Notification for draft-kazuho-ear… Mike Bishop
- Re: New Version Notification for draft-kazuho-ear… Roy T. Fielding
- Re: New Version Notification for draft-kazuho-ear… Mark Nottingham
- Re: New Version Notification for draft-kazuho-ear… Martin Thomson
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- RE: New Version Notification for draft-kazuho-ear… Mike Bishop
- Re: New Version Notification for draft-kazuho-ear… Mark Nottingham
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Alex Rousskov
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Alex Rousskov
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Kari Hurtta
- Re: New Version Notification for draft-kazuho-ear… Julian Reschke
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Cory Benfield
- Re: New Version Notification for draft-kazuho-ear… Kazuho Oku
- Re: New Version Notification for draft-kazuho-ear… Stefan Eissing