rbraun@spdcc.COM (Rich Braun) (03/16/91)
I'm in the midst of planning a product which will include a SLIP (or PPP) interface over a serial port. We don't want to require CTS/RTS or XON/XOFF flow control; it would be nice to just be able to handle thousand-byte bursts of input, flow-controlled at the packet level via ACK/NAK rather than at the character level. In my experience, I've yet to run across a Unix system capable of doing that. And to make my job more difficult, we'd like to have a "portable" way of doing this inexpensively on a variety of platforms. Has anyone else had to deal with this, specifically under SCO Unix or on any other system? Am I naive to think that packet-level flow control can ever work at 9.6K or 19.2K over on a 386 box running Unix? -rich