Re: Adding ECN to Transport and Recovery

Christian Huitema <huitema@huitema.net> Sat, 09 June 2018 15:39 UTC

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From: Christian Huitema <huitema@huitema.net>
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Date: Sat, 09 Jun 2018 08:38:48 -0700
Cc: Brian Trammell <ietf@trammell.ch>, IETF QUIC WG <quic@ietf.org>
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References: <26584f2a-230b-c55e-db16-d32225c8ee4d@ericsson.com> <5a82e9ef-971f-6510-866c-9886e73796a9@ericsson.com> <20180608150833.GB13418@ubuntu-dmitri> <CAKcm_gM_OHgWcJ+ktAg9BCQx1rtHc9GFg2bZG40-NcO2MoVG9w@mail.gmail.com> <CANatvzySuzK9EO13m_UQxb4wZkYW=+6By3QMU5gKXhq69gaUag@mail.gmail.com> <790ec098-9ec9-5eff-4785-d71d9ac92059@huitema.net> <73B82E99-EFEE-4DBC-A2CA-8FA381F33C5E@trammell.ch> <CAKcm_gN-s0XVsGL2LLusvcm5_hp-Z5_9OFMkwph5m_bGMDbAtQ@mail.gmail.com>
To: Ian Swett <ianswett@google.com>
Subject: Re: Adding ECN to Transport and Recovery
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> On Jun 9, 2018, at 8:27 AM, Ian Swett <ianswett@google.com> wrote:
> 
> QUIC is complex enough, I think we should just call them ACK and ACK_ECN.  A few implementations sending at least one ACK_ECN frame per connection will dispel any belief that ACK_ECN is optional.  A small amount of use will be a lot more valuable than clever naming.

Also, ECN is just one of the extensions that could be planned for ACK. Timestamps would be nice too, for those who want one-way-delay based congestion control. 

-- Christian Huitema