Path: utzoo!attcan!uunet!cs.utexas.edu!usc!zaphod.mps.ohio-state.edu!mips!sjsca4!poffen
From: poffen@sj.ate.slb.com (Russ Poffenberger)
Newsgroups: comp.binaries.ibm.pc.d
Subject: Re: Fastest Modem Transfer Protocal - Opinions Needed
Message-ID: <1990Jun27.151832.19993@sj.ate.slb.com>
Date: 27 Jun 90 15:18:32 GMT
References: <1990Jun23.203333.12501@ariel.unm.edu> <8460002@hpavla.AVO.HP.COM>
Reply-To: poffen@sj.ate.slb.com (Russ Poffenberger)
Organization: Schlumberger Technologies, San Jose, CA.
Lines: 27

In article <8460002@hpavla.AVO.HP.COM> pfeifer@hpavla.AVO.HP.COM (Mark Pfeifer) writes:
>>The subject line says it all. I'm wondering what is the fastest protocal
>>to use when transfering files over modem? Kermit, Xmodem, Zmodem, or
>>whatever. I normally use Kermit but I'd like to find something else maybe
>>a little bit faster. Anyway, let's hear some recommendations if anyone
>>has any. 
>>				- Jeff
>>--
>> EMAIL: jharper@carina.unm.edu                
>
>I'm not sure what the fastest is, but Kermit is certainly the slowest (short
>of typing it in).  I normally use Zmodem, and average about 228-231 cps
>throughput on a plain 2400 bps modem.  Zmodem also has better error checking
>then Kermit (CRC-32), and supports Crash Recovery (picking up a stopped file
>transfer in the middle).
>
>						Mark


I can get about 238 CPS from compuserve using B-plus protocol. Or 780 CPS from
ftp using SLIP between two 9600 baud modems.


Russ Poffenberger               DOMAIN: poffen@sj.ate.slb.com
Schlumberger Technologies       UUCP:   {uunet,decwrl,amdahl}!sjsca4!poffen
1601 Technology Drive		CIS:	72401,276
San Jose, Ca. 95110             (408)437-5254