-> MIKE FARRILL wrote in a message to RICK COLLINS:
->
-> RC> 2) Max modem-modem throughput at 33,600, with error correction is
-> RC> 4200 bps.  EC overhead reduces this to the 4000 cps range.
->
-> MF> Is the EC overhead you are refering to come from the use of the
-> MF> Zmodem protocol?  Y-modem-g is always faster.  And also, he could
-> MF> be using the 512k lap-m packet size which would give more
-> MF> performance.
->
-> What Rick is referring to is the overhead in the error correcting pro
-> not in the file transfer protocol.  Z-modem overhead will reduce the
-> maximum possible transfer speed even further.  As for the LAPM
-> packet size, the maximum on a Courier using LAPM is 244 bytes.
-> Plugging that size into the overhead calculation gives us 4015CPS as
-> a maximum.  Using MNP EC with it's 256 byte packet size gives a
-> maximum of 4021CPS.  Enabling data compression actually reduces the
-> throughput on incompressible data reduces the maximu byte packets to
-> 4000CPS.
4000CPS would be fast enough for me any day...  Just curious, do FIFO
buffers help increase the transfer speed?
--- Platinum Xpress/386/Wildcat! v1.3
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