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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I’m not familiar with what device connectivity TS10 and MSE have implemented. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Is it simulating Ethernet<a name="_MailEndCompose"> devices? <o:p></o:p></a></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Point to Point network devices?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Are these tun/tap connections merely used to connect simulators to each other <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>in the same system or are they also expected to be part of how connectivity I <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>achieved between simulators and the host system and/or the outside world?<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>I ask these questions since they’ve all been solved on Windows and Unix hosts<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>in the simh codebase. The simh Ethernet functionality provides Ethernet frame<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>delivery to/from the local LAN and/or to/from the host system directly. Ethernet <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>frames can also be delivered to remote networks via UDP and thus direct <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>participations in HECnet is possible. More than likely, the simh sim_ether code <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>wouldn’t fit directly into TS10 or MSE, but the details of how this problem has <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>already been solved would certainly be a useful in getting to where you’re going.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Step back from the focus on tun/tap and/or Winsock and think packet delivery <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>and reception. Tun/tap is one solution to that problem on some platforms. <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Simh’s Ethernet layer can talk via tun/tap on Unix hosts. It can talk directly <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>to a LAN interface on Unix and Windows hosts.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>10 Years ago, on Windows, we thought we needed some sort of package like <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>OpenVPN in combination with pcap to facilitate bridging. As it turned out<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>(only on Windows), we didn’t need that at all once it was realized that we <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>could talk back and forth with the host system (using pcap) if we padded <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>pcap received packets to the minimum ethernet frame size. We received<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>short packets since pcap captured them before they’d made it to the LAN <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>driver which would normally have padded them to the minimal frame size.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>If you explore these ideas, feel free to ask questions here or directly to me.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><p class=MsoListParagraph style='text-indent:-.25in;mso-list:l0 level1 lfo1'><![if !supportLists]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><span style='mso-list:Ignore'>-<span style='font:7.0pt "Times New Roman"'> </span></span></span><![endif]><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'>Mark<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D'><o:p> </o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0in 0in 0in 4.0pt'><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Simh [mailto:simh-bounces@trailing-edge.com] <b>On Behalf Of </b>Jason Stevens<br><b>Sent:</b> Monday, February 20, 2017 10:55 AM<br><b>To:</b> simh@trailing-edge.com; Tim Stark <fsword7@verizon.net><br><b>Subject:</b> Re: [Simh] ts10 and mse (my new emulator) (WAS: RE: Klh10 vs Simh)<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>DECnet for Windows? Yeah, if you have patchworks installed it is another socket transport. I ported a telnet client and SBBS 3.0 to DECnet. Not terribly useful today, but you can take windsock programs and alter them to run over DECnet with tweaking.... Not that there's an audience for that kind of thing<o:p></o:p></p><div><p class=MsoNormal>On February 21, 2017 12:37:52 AM GMT+08:00, Tim Stark <<a href="mailto:fsword7@verizon.net">fsword7@verizon.net</a>> wrote:<o:p></o:p></p><blockquote style='border:none;border-left:solid #CCCCCC 1.0pt;padding:0in 0in 0in 6.0pt;margin-left:4.8pt;margin-right:0in'><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Ok, thanks for some information. I will look into that and am now figuring how to implement TAP/TUN access on my MSE emulator for Windows.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>Will DECnet work on TAP/TUN for Windows?<o:p></o:p></span></p><p><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>I am using MinGW64/MSYS and LLVM environments and Eclipse/CDT IDE editor. I already implemented WinSock2 API access into it.<o:p></o:p></span></p><p><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>I learned that WinSock2 API provides DECnet access. Does anyone have any experience with DECnet for Windows?<o:p></o:p></span></p><p><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>I plan to adding SDL2 API access for graphics console terminal (VAX emulation) later.<o:p></o:p></span></p><p><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><p><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> <o:p></o:p></span></p><div><div style='border:none;border-top:solid #E1E1E1 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'>From:</span></b><span style='font-size:11.0pt;font-family:"Calibri",sans-serif'> Jason Stevens [<a href="mailto:jsteve@superglobalmegacorp.com">mailto:jsteve@superglobalmegacorp.com</a>] <br><b>Sent:</b> Sunday, February 19, 2017 11:36 PM<br><b>To:</b> <a href="mailto:simh@trailing-edge.com">simh@trailing-edge.com</a>; Tim Stark <<a href="mailto:fsword7@verizon.net">fsword7@verizon.net</a>><br><b>Subject:</b> Re: [Simh] ts10 and mse (my new emulator) (WAS: RE: Klh10 vs Simh)<o:p></o:p></span></p></div></div><p> <o:p></o:p></p><p class=MsoNormal style='margin-bottom:12.0pt'>Part of OpenVPN has tun/tap for Windows. And windows does software bridges which you can bridge the tap to an Ethernet, or even among other taps.. there is code in Qemu that'll talk to the tap driver.<br><br>As a footnote here is how it's done<br><br><a href="https://virtuallyfun.superglobalmegacorp.com/2015/01/22/getting-qemus-netware-3-12-onto-the-lan-with-tuntap">https://virtuallyfun.superglobalmegacorp.com/2015/01/22/getting-qemus-netware-3-12-onto-the-lan-with-tuntap</a>/<br><br>I hate to be "that guy" and ask what license is ts10 under, as you could possibly just copy the code just in.. or at least see how it's done.<o:p></o:p></p><p class=MsoNormal>Sent from my Android device with K-9 Mail. Please excuse my brevity.<o:p></o:p></p></blockquote></div><p class=MsoNormal><br>-- <br>Sent from my Android device with K-9 Mail. Please excuse my brevity.<o:p></o:p></p></div></div></body></html>