Subject: Re: [quicwg/base-drafts] On-path calculation of loss and congestion (#632)

From: Brian Trammell <[email-masked]>
Date: Thu, 09 Nov 2017 08:58:05 +0000 (UTC)

After discussion in the RTT DT, I agree less with Lars here than I thought I did. For steady-state (large flow, "infinite" application demand) traffic, RTT is sufficient (since RTT gives you bandwidth per RTT gives you effective window size gives you loss/congestion reaction indication). However, for application-limited traffic (effectively anything machine-to-machine, logging and control, ABR media, CBR media, etc.) measuring RTT is difficult, and loss is a better indicator of application-visible performance problems.

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