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<p><font size="-1"><font face="Courier New">Thank you for the
update.</font></font></p>
<p><font size="-1"><font face="Courier New">The rural usage peaking
at 1600 (instead of 2000-24000) sounds as a relevant
indicator, I think.<br>
</font></font></p>
<p><font size="-1"><font face="Courier New">It sounds as a shock
('in the middle of the day'), but it is a wave. People spot
it from a distance, and you do have time. There are levels of
'stay home', increasingly restrictive, separated by days.<br>
</font></font></p>
<p><font size="-1"><font face="Courier New">It's not like the
tsunami hitting Fukushima, and nothing like 9/11 shock.</font></font></p>
<p><font size="-1"><font face="Courier New">Ohio borders
Pennsylvania and further NYC who is in a level of emergency
state - cant get into Manhattan. Ohio is not in the MidWest,
and there were earlier claims that MidWest might not be
affected - I dont know.<br>
</font></font></p>
<p><font size="-1"><font face="Courier New">If trust there is.</font></font></p>
<p><font size="-1"><font face="Courier New">The communnication
channels must stay up.<br>
</font></font></p>
<font size="-1"><font face="Courier New">Yours,</font></font><br>
<pre class="moz-signature" cols="72">Alex, LF/HF 3</pre>
<div class="moz-cite-prefix">Le 23/03/2020 à 15:01, Josh Luthman a
écrit :<br>
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cite="mid:CAN9qwJ-uy1B4MiFAK1DYYLLf-v-_cp2DM=ofSxt5K5eiXpj8gQ@mail.gmail.com">
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<div dir="ltr">I'm in Ohio. Dewine announced a stay at home order
in the middle of the day.
<div><br>
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<div>Our uplink that feeds more urban customers, kept increasing
as per usual. Our uplink that feeds exclusively rural
customers, leveled out - the usage peaked at 1600!!! I'd
never seen it not peak at 2000-2400 at night.<br clear="all">
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<div dir="ltr" class="gmail_signature"
data-smartmail="gmail_signature">
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<div><br>
</div>
Josh Luthman<br>
Office: 937-552-2340<br>
Direct: 937-552-2343<br>
1100 Wayne St<br>
Suite 1337<br>
Troy, OH 45373</div>
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<br>
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<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Mon, Mar 23, 2020 at 6:19
AM Alexandre Petrescu <<a
href="mailto:alexandre.petrescu@gmail.com"
moz-do-not-send="true">alexandre.petrescu@gmail.com</a>>
wrote:<br>
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0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex"><br>
Le 23/03/2020 à 04:05, Aaron Gould a écrit :<br>
> I can see it now.... Business driver that moved the world
towards multicast .... 2020 Coronavirus<br>
<br>
<br>
I should abstain from writing about this but I think the
situation of <br>
virus with a crown version year 2020 is not yet understood on
business.<br>
<br>
There are signs business would work as before: business
challenges that <br>
we know worked are now tested with sponsoring open source
projects on <br>
3D-printed ventilators (respirator).<br>
<br>
Other signs I see seem to differ: same kind of projects but
not looking <br>
for money. That might not amount for 'business' but might
save lives <br>
equally well.<br>
<br>
It is not clear to me where it is heading to, probably a mix
of the two.<br>
<br>
And it is not clear to me where multicast might fit into this,
because <br>
presumably an Internet-connected ventilator might not have
much data to <br>
send, depending of course, if one wants to put a measurement
device on <br>
another side of the planet and the breath on one side, and the
air <br>
pressure might need to be transmitted instantaneously, like
'remote <br>
surgery' needs to transmit haptic feedback effect across long
distances.<br>
<br>
It's all hypothesis and speculation from my part.<br>
<br>
Alex, LF/HF 3<br>
<br>
><br>
> Also, I wonder how much money would be lost by big pipe
providers with multicast working everywhere<br>
><br>
> -Aaron<br>
><br>
> -----Original Message-----<br>
> From: NANOG [mailto:<a
href="mailto:nanog-bounces@nanog.org" target="_blank"
moz-do-not-send="true">nanog-bounces@nanog.org</a>] On
Behalf Of Alexandre Petrescu<br>
> Sent: Sunday, March 22, 2020 3:41 PM<br>
> To: <a href="mailto:nanog@nanog.org" target="_blank"
moz-do-not-send="true">nanog@nanog.org</a><br>
> Subject: Re: Sunday traffic curiosity<br>
><br>
><br>
> Le 22/03/2020 à 21:31, Nick Hilliard a écrit :<br>
>> Grant Taylor via NANOG wrote on 22/03/2020 19:17:<br>
>>> What was wrong with Internet scale multicast?
Why did it get abandoned?<br>
>> there wasn't any problem with inter-domain multicast
that couldn't be<br>
>> resolved by handing over to level 3 engineering and
the vendor's<br>
>> support escalation team.<br>
>><br>
>> But then again, there weren't many problems with
inter-domain<br>
>> multicast that could be resolved without handing over
to level 3<br>
>> engineering and the vendor's support escalation team.<br>
>><br>
>> Nick<br>
> For my part I speculate multicast did not take off at any
level (inter<br>
> domain, intra domain) because pipes grew larger (more
bandwidth) faster<br>
> than uses ever needed. Even now, I dont hear problems of
bandwidth from<br>
> some end users, like friends using netflix. I do hear in
media that<br>
> there _might_ be an issue of capacity, but I did not hear
that from end<br>
> users.<br>
><br>
> On another hand, link-local multicast does seem to work
ok, at least<br>
> with IPv6. The problem it solves there is not related to
the width of<br>
> the pipe, but more to resistance against 'storms' that
were witnessed<br>
> during ARP storms. I could guess that Ethernet pipes are
now so large<br>
> they could accomodate many forms of ARP storms, but for
one reason or<br>
> another IPv6 ND has multicast and no broadcast. It might
even be a<br>
> problem in the name, in that it is named 'IPv6 multicast
ND' but<br>
> underlying is often implemented with pure broadcast and
local filters.<br>
><br>
> If the capacity is reached and if end users need more,
then there are<br>
> two alternative solutions: grow capacity unicast (e.g.
1Tb/s Ethernet)<br>
> or multicast; it's useless to do both. If we cant do 1
Tb/s Ethernet<br>
> ('apocalypse' was called by some?) then we'll do
multicast.<br>
><br>
> I think,<br>
><br>
> Alex, LF/HF 3<br>
><br>
><br>
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