Alex, at 22:01 on Dec 09 1996, you wrote to Bill Grimsley...

BG> Possibly because you did not disable MNP5, although the 
BG> difference should not have been that great.  The simple fact 
BG> is that MNP's 256 byte frames suffer from less protocol 
BG> overhead than LAPM's 128 byte data frames, and the overall 
BG> cps rates under MNP4 are measurably faster as a result.  

AM> Yep, tried MNP, disabled all compression and got 3320 cps, 
AM> with 256 byte blocks which is about a 40cps improvement, but 
AM> I had no compression. I'm going to stick with V.42 and 
AM> V.42bis for the moment.

Might as well, as even on ISD calls, the saving is minimal as the overall
difference is still fairly marginal.

AM> What CPS rates do you get on your Courier at 28.8K with V.42 
AM> and V.42bis? (ZIP file and Zmodem)

Under LAPM with BTLZ enabled, usually somewhere between 3300-3350 cps.

Regards, Bill

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