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<body style="overflow-wrap:break-word; word-break: break-word;"><div class="mail_android_message" style="line-height: 1; padding: 0.5em">traceroute gives you three round trip times of to check for consistency. </div><div class="mail_android_quote" style="line-height: 1; padding: 0.3em"><html><body>Am 19.05.20, 15:52 schrieb Chris Caudle <chris@chriscaudle.org>:</body></html><blockquote class="gmail_quote" style="margin: 0.8ex 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
On Tue, May 19, 2020 4:47 am, Christoph Kuhr wrote:
<br> > Does it matter whether it's only the cable side or the
<br> > transition from ethernet to cable?
<br>
<br> Only to the extent of estimating whether that is the actual range of
<br> latency to expect from your house to the upstream router, or whether there
<br> is additional latency added on to that as a minimum.
<br>
<br> > But I can confirm ~35ms on the first hop with my cable access...
<br>
<br> Is that 35ms one way, or round trip? Is that the value reported from
<br> traceroute? I'm looking at that now at my house, but I'm not familiar
<br> with how to interpret the numbers, I will need to study the man page a
<br> bit.
<br> But if the interpretation is as obvious as it seems then it seems like the
<br> system in our neighborhood has not bad latency after the latest upgrades.
<br>
<br> > Where did you find that info?
<br>
<br> Google search found a document at CableLabs titled "DOCSIS Technologies
<br> for Mobile Backhaul" discussing considerations for using cable based
<br> network as the connection for small cell phone stations. Similar
<br> considerations for conversations as for music, if the latency is too long
<br> you begin to speak over each other, conversation timing is awkward, etc.
<br> so seemed like a relevant document.
<br>
<a href="https://www.cablelabs.com/docsis-mobile-backhaul-white-paper">https://www.cablelabs.com/docsis-mobile-backhaul-white-paper</a>
<br>
<a href="https://cdn2.hubspot.net/hubfs/1697621/DOCSIS-Technologies-For-Mobile-BackHaul-May-2018.pdf">https://cdn2.hubspot.net/hubfs/1697621/DOCSIS-Technologies-For-Mobile-BackHaul-May-2018.pdf</a>
<br>
<br> best regards,
<br> Chris Caudle
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