Path: utzoo!attcan!uunet!tut.cis.ohio-state.edu!uc!cs.umn.edu!ux.acs!rogers
From: rogers@ux.acs.umn.edu (Brynn Rogers)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: Fastest Modem Transfer Protocal - Opinions Needed
Message-ID: <1769@ux.acs.umn.edu>
Date: 28 Jun 90 17:05:42 GMT
References: <1990Jun23.203333.12501@ariel.unm.edu> <1990Jun26.021616.11782@murdoch.acc.Virginia.EDU> <2569@igloo.scum.com>
Reply-To: rogers@ux.acs.umn.edu (Brynn Rogers)
Organization: University of Minnesota, ACSS
Lines: 20


For me Zmodem is the fastest when dealing with a BBS (I get 250 CPS or so
with a 2400 Baud MNP5 modem.

BUT, when talking to a unix system through a bunch of terminal servers,
I find that Ymodem gives me a better throughput (210 CPS or so) compared
to Zmodem (sz -l 512) which gives about 170 CPS.

I wish I could get the same rates with the unix system that I get on my 
favorite BBS.

I have been able to get >200 CPS from the new kermit on unix,  but
my unix account just changed and I don't seem to have access to the latest
version of C-Kermit anymore.  Getting these kind of rates from kermit
requires you to have a .kermrc with the right parameters, Plus turning
on the 8 bit stuff through all the boxes you go through, Plus possibly
having the flow-controls set right through all the boxes.  Zmodem and Ymodem
are so much easier to live with.

Brynn