Re: [quicwg/base-drafts] Document TCP RTO vs QUIC PTO (#3441)
MikkelFJ <notifications@github.com> Wed, 11 March 2020 13:29 UTC
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Date: Wed, 11 Mar 2020 06:29:17 -0700
From: MikkelFJ <notifications@github.com>
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Subject: Re: [quicwg/base-drafts] Document TCP RTO vs QUIC PTO (#3441)
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mikkelfj commented on this pull request. > +### Probe Timeout Replaces RTO and TLP + +QUIC uses a probe timeout (see {{pto}}), with a timer based on TCP's RTO +computation. QUIC's PTO includes the peer's maximum expected acknowledgement +delay instead of using a fixed minimum timeout. QUIC does not collapse the +congestion window until persistent congestion ({{persistent-congestion}}) is +declared, unlike TCP, which collapses the congestion window upon expiry of an +RTO. Instead of collapsing the congestion window and declaring everything +in-flight lost, QUIC allows probe packets to temporarily exceed the congestion +window whenever the timer expires. + +In doing this, QUIC avoids unnecessary congestion window reductions, obviating +the need for correcting mechanisms such as F-RTO {{!RFC5682}}. Since QUIC does +not collapse the congestion window on a PTO expiration, a QUIC sender is not +limited from sending more in-flight packets after a PTO expiration if it still +has available congestion window. This occurs when a sender is sounds like a word is missing before "congestion window". -- You are receiving this because you are subscribed to this thread. Reply to this email directly or view it on GitHub: https://github.com/quicwg/base-drafts/pull/3441#pullrequestreview-372755943
- [quicwg/base-drafts] Document TCP RTO vs QUIC PTO… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Nick Banks
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Jana Iyengar
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Jana Iyengar
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Jana Iyengar
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Jana Iyengar
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Jana Iyengar
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Martin Thomson
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… Lars Eggert
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… ianswett
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… MikkelFJ
- Re: [quicwg/base-drafts] Document TCP RTO vs QUIC… MikkelFJ