<div dir="ltr">If it's not already obvious, I would like to mention that jitter/buffering on video is just about a non-issue (otherwise Microsoft Teams wouldn't exist) - but for audio it is everything.<div><br></div><div>Users will notice 20ms of audio delay as a lip sync issue on a streaming movie, but for videoconferencing the focus is on the message and not the medium.<br><div><br></div><div>Separate the streams if you can, and treat them separately. The other nifty trick at the DSLAM level was to tweak interleaving settings so that voice had a nice and consistent latency, as a substitute for per-PVC settings the chipsets got to the point where they could map ethernet priority tags to differentiated configs - but I appreciate that there is probably nobody left with access to those settings!</div></div><div><br></div><div>John</div><div><br></div></div><br><div class="gmail_quote"><div dir="ltr" class="gmail_attr">On Wed, 20 Sept 2023 at 09:31, Dave Taht <<a href="mailto:dave.taht@gmail.com">dave.taht@gmail.com</a>> wrote:<br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left-width:1px;border-left-style:solid;border-left-color:rgb(204,204,204);padding-left:1ex"><div dir="ltr">Occasionally I question my baseline numbers, and struggle to find cites to support my increasingly ancient viewpoint, which goes back to CISCO LLQ, if not earlier.<div><br></div><div>Recently this question came up that I lack an answer to, and was wondering what operators thought was the right number, and wondering how y´all achieve it. Taking a poll over here,</div><div>with the core question being 10ms,30ms,100ms or 200ms:</div><div><br></div><div><a href="https://www.linkedin.com/feed/update/urn:li:activity:7110029609559056384/" target="_blank">https://www.linkedin.com/feed/update/urn:li:activity:7110029609559056384/</a>?<br clear="all"><div><br></div><span class="gmail_signature_prefix">-- </span><br><div dir="ltr" class="gmail_signature"><div dir="ltr"><div>Oct 30: <a href="https://netdevconf.info/0x17/news/the-maestro-and-the-music-bof.html" target="_blank">https://netdevconf.info/0x17/news/the-maestro-and-the-music-bof.html</a></div><div>Dave Täht CSO, LibreQos<br></div></div></div></div></div>
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