Re: [quicwg/base-drafts] Add a section on flow control performance (#3793)

[krasic <[e-mail]>]

On Fri, Jun 26, 2020, 12:31 AM Martin Thomson <[e-mail]>
wrote:

> QUIC doesn't really address the question of tuning flow control very
> well. This just admits that fact.
>
> It also indicates why: which essentially boils down to "RAM is cheap".
>
Hi Martin. I stumbled across this.  I don't know if you are joking, but if
not I'd like to disagree.  There are a significant class of devices,
commodity streaming devices, which are very large volume but for which the
trend is to shave as much RAM budget as possible, HD video devices in
markets like India, Brazil, etc.  In aggregate, these devices consume a
significant amount of overall internet traffic.    RAM is cheap is most
definitely not true there, and they certainly don't ship with TCP receive
windows anywhere near as large as other device segments.  This is not a
legacy issue either, for the foreseeable future it looks like the amount of
RAM in newer devices will be lucky to stay stable as opposed to even
decrease.

> Closes #3722 <https://github.com/quicwg/base-drafts/issues/3722>.
> ------------------------------
> You can view, comment on, or merge this pull request online at:
>
>   https://github.com/quicwg/base-drafts/pull/3793
> Commit Summary
>
>    - Add a section on flow control performance
>
> File Changes
>
>    - *M* draft-ietf-quic-transport.md
>    <https://github.com/quicwg/base-drafts/pull/3793/files#diff-db016291106766877c4921a79f8596e0>
>    (18)
>
> Patch Links:
>
>    - https://github.com/quicwg/base-drafts/pull/3793.patch
>    - https://github.com/quicwg/base-drafts/pull/3793.diff
>
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