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--></style></head><body lang=EN-US link=blue vlink="#954F72" style='word-wrap:break-word'><div class=WordSection1><p class=MsoNormal>I’ve seen papers that suggest the # of connections can be high as 40M in 2018.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I’m not sure what has happened since then.</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John</p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10</p><p class=MsoNormal><o:p> </o:p></p><div style='mso-element:para-border-div;border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal style='border:none;padding:0in'><b>From: </b><a href="mailto:yottzumm@gmail.com">John Carlson</a><br><b>Sent: </b>Monday, January 4, 2021 11:38 PM<br><b>To: </b><a href="mailto:christoph.valentin@gmx.at">Christoph Valentin</a>; <a href="mailto:contact@wildpeaks.fr">Cecile Muller</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Graphics public mailing list</a><br><b>Subject: </b>RE: [x3d-public] X3D and VRML for multiuser worlds</p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>I discovered this recently. It may assist you in your efforts for highly scalable systems:<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><a href="http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html">http://highscalability.com/blog/2013/5/13/the-secret-to-10-million-concurrent-connections-the-kernel-i.html</a><o:p></o:p></p><p class=MsoNormal><br>In other words, you’re not limited to 16-bits worth of TCP ports on one server.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>My guess is they use multiple IP addresses (IPv6?) on a single server, but I’m not sure.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>If anyone does this, let us know how it goes.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>John<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Sent from <a href="https://go.microsoft.com/fwlink/?LinkId=550986">Mail</a> for Windows 10<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b>From: </b><a href="mailto:christoph.valentin@gmx.at">Christoph Valentin</a><br><b>Sent: </b>Monday, January 4, 2021 10:55 PM<br><b>To: </b><a href="mailto:contact@wildpeaks.fr">Cecile Muller</a><br><b>Cc: </b><a href="mailto:x3d-public@web3d.org">X3D Graphics public mailing list</a><br><b>Subject: </b>Re: [x3d-public] X3D and VRML for multiuser worlds<o:p></o:p></p></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi,<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Isn't MQTT the protocol of the IoT?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>It needs a broker, doesn't it?<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Just being curious.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>KR,<o:p></o:p></p><p class=MsoNormal>Christoph <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Gesendet: Dienstag, 05. Januar 2021 um 05:25 Uhr<o:p></o:p></p><p class=MsoNormal>Von: "Cecile Muller" <contact@wildpeaks.fr><o:p></o:p></p><p class=MsoNormal>An: "X3D Graphics public mailing list" <x3d-public@web3d.org><o:p></o:p></p><p class=MsoNormal>Betreff: Re: [x3d-public] X3D and VRML for multiuser worlds<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Good morning (and happy new year !),<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>If you want to build something multi-users, nowadays I'd recommend MQTT: it's not specific to 3D,<o:p></o:p></p><p class=MsoNormal>so you'd still need to create the application on top of it, but you could reach both applications and webapps<o:p></o:p></p><p class=MsoNormal>with it (it can even run on low-end devices), and it's a proper documented standard.<o:p></o:p></p><p class=MsoNormal>Mosquitto on a small linux server is enough to get started,<o:p></o:p></p><p class=MsoNormal>or you could use something like PubNub to not worry about scaling the backend.<o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal> <o:p></o:p></p><p class=MsoNormal>See you,<o:p></o:p></p><p class=MsoNormal>Cecile_______________________________________________ x3d-public mailing list x3d-public@web3d.org http://web3d.org/mailman/listinfo/x3d-public_web3d.org<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>_______________________________________________<o:p></o:p></p><p class=MsoNormal>x3d-public mailing list<o:p></o:p></p><p class=MsoNormal>x3d-public@web3d.org<o:p></o:p></p><p class=MsoNormal>http://web3d.org/mailman/listinfo/x3d-public_web3d.org<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><o:p> </o:p></p></div></body></html>