> The newest modern hardware isn't going to use serial > emulation anyway. Hey Alan, could you be a little more detailed here? What will be the technology they might use in the future? Is there a real life example, a real piece of hardware already available using that technology? > -----Ursprüngliche Nachricht----- > Von: Alan Cox [mailto:alan@xxxxxxxxxxxxxxxxxxx] > Gesendet: Montag, 13. September 2010 20:05 > An: Axel C. Voigt > Cc: linux-usb@xxxxxxxxxxxxxxx > Betreff: Re: artificial USB test environment, any help appreciated > > > Could one give me a hint, how to create a test environment to > artificially > > test such a scenario? Could one be of any help whether I can simulate a > usb > > device in software? > > Realistically I doubt. I'd have thought if you want to do this seriously > you want a decent performance USB board capable of being a USB device (ie > using the usb-gadget code) and writing an emulation of what you want to > study, then run that across two PCs > > The last time someone stress tested the tty core code we were doing ok > with HSDPA. The newest modern hardware isn't going to use serial > emulation anyway. The serial setup is brain dead especially if running in > CMUX mode where you've got a serial link emulated over a multi channel > packet based interface running a protocol to provide a multiple channel > packet based interface each channel of which carries a serial emulation > which carries an asynchronous framed PPP connection in order to map IP > packets onto the emulated serial link. > > If it had been anyone but a telco involved someone would have shot the > poor beast before it got out of the lab ! > > Alan -- To unsubscribe from this list: send the line "unsubscribe linux-usb" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html