Path: utzoo!utgpu!news-server.csri.toronto.edu!mailrus!cs.utexas.edu!uunet!motcid!smithju
From: smithju@motcid.UUCP (Justin A. Smith)
Newsgroups: comp.dcom.modems
Subject: Re: NEW USR HST & DUAL V.42/BIS UPGRADE AVAILABLE!!
Message-ID: <3853@galena2.UUCP>
Date: 6 Jul 90 13:54:26 GMT
References: <2586@igloo.scum.com> <1990Jul04.130105.3502@nstar.uucp> <25475@nuchat.UUCP>
Distribution: usa
Organization: Motorola Inc., Cellular Infrastructure Div., Arlington Heights, IL
Lines: 38

jeffn@nuchat.UUCP (Jeff Noxon) writes:

>gwang@igloo.scum.com (George Wang) writes:
>>The new compression (LAMP) with v.42 now gives transfer
>>rates of OVER 2000 CPS on COMPRESSED ZIP FILES!! And
>>even better on text!! THIS IS AMAZING!!!! If I'm not
>>correct these rates are even better than TELEBITS!!

>...
>alone compressed files.  1500 CPS is really pushing it.
>I almost always get better throughput without compression,
>be it v.42, MNP, or PEP compression.
>Jeff

I usually get ~1600 CPS with my USR Dual Standard and Zmodem,
this is with MNP compression OFF, as it slows down ZIP file
transfers. I have seen ~1800 CPS When other people download
files from my BBS. I get 1700 CPS when using Ymodem-g, or Jmodem.

I Have ordered my upgrade, and am hoping that V.42 has algorythms
that will compress ZIP files without slowing data transfer. IF this is
the case then i will expect to see ~2000 CPS. I have heard of people
getting 2000 CPS `with the wind behind them', (with compressed files)
but it does not happen very often.

does V.42 use the zipp-lemfel (sorry about spelling :-) ) compression.
When i was working at BT they were doing somthing like this. Is this
the resulting standard????


Justin Smith.


-- 
----------------------------------------------------------------------------
             Justin Smith   SYSOP- Orange Crush BBS  (708) 359-5379
                        24 Hours USRobotics HST14400/V.32
Email UUNET smithju@motcid.uu.net  INTERNET motcid!smithju@chg.mcd.mot.com