Re: [quicwg/base-drafts] Rewrite of RTT estimation section (#2592)
Jana Iyengar <notifications@github.com> Tue, 09 April 2019 02:50 UTC
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Subject: Re: [quicwg/base-drafts] Rewrite of RTT estimation section (#2592)
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janaiyengar commented on this pull request. > @@ -229,19 +229,23 @@ forward progress without relying on timeouts. ### Explicit Correction For Delayed Acknowledgements {#ack-delay} An endpoint measures the delay incurred between when a packet is received and -when the corresponding acknowledgment is sent. The endpoint encodes this host delay for -the largest acknowledged packet in the Ack Delay field of an ACK frame (see -Section 19.3 of {{QUIC-TRANSPORT}}). This allows the receiver of the ACK to -adjust for any host delays - importantly, for delayed acknowledgements - when -estimating the path RTT. Where possible, this delay can include the time that a -packet was held in the OS kernel before being processed by a userspace QUIC -stack. +when the corresponding acknowledgment is sent. The endpoint encodes this host +delay for the largest acknowledged packet in the Ack Delay field of an ACK frame +(see Section 19.3 of {{QUIC-TRANSPORT}}). This allows the receiver of the ACK +to adjust for any host delays - importantly, for delayed acknowledgements - when +estimating the path RTT. In certain deployments, a packet might be held in the +OS kernel or elsewhere on the host before being processed by the QUIC +stack. Where possible, an endpoint SHOULD include these delays when populating +the Ack Delay field in an ACK frame. Filed #2596 -- 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/2592#discussion_r273307653
- [quicwg/base-drafts] Rewrite of RTT estimation se… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Martin Thomson
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Martin Thomson
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… ianswett
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar
- Re: [quicwg/base-drafts] Rewrite of RTT estimatio… Jana Iyengar