OS9 is so
modular that there would be no problem in writing the device
manager and device drivers for a netwoek drvice. I think ethernet would
have had far to high a data rate, but there are plenty of slower
alternatices.
Sorry for delayed response, vacation intervened.
http://www.cloud9tech.com/ (no affiliation, other than as a highly
satisfied customer) does market DriveWire for the CoCo3 running
NitrOS-9. I have not (yet) used it, but they claim 115,200 bps on a
CoCo3. There is a corresponding server that runs on the (Windows/Mac
OS X/Linux) other end of the serial wire, and they claim TCP/IP and
several dependent services (telnet, MIDI streaming to the server). So
Tony's suggestion more or less already exists, with the assumption
that you don't mind a modern-ish PC acting as an external ethernet
<-> serial adaptor.
Is this SLIP or PPP?
In the simpler category, devices like a Lantronix UDS-10 are a great
fit for old machines. The UDS-10 is limited to one open TCP socket, but
it is easy to drive using a modified Hayes command set and does not
require running a TCP/IP stack on the client machine.
--
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http://www.cameronkaiser.com/ --
Cameron Kaiser * Floodgap Systems *
www.floodgap.com * ckaiser at
floodgap.com
-- Von Herzen, moge es wieder zu Herzen gehen. -- Beethoven -------------------