Date: Tue, 13 Feb 1996 19:31:05 -0800 (PST) From: John-Mark Gurney <gurney_j@nike.efn.org> To: dwhite@resnet.uoregon.edu Cc: "Marc G. Fournier" <scrappy@ki.net>, questions@freebsd.org Subject: Re: odd question about data transfer/PPP Message-ID: <Pine.NEB.3.91.960213183211.13003B-100000@nike.efn.org> In-Reply-To: <Pine.BSF.3.91.960211225407.215N-100000@gdi.uoregon.edu>
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On Sun, 11 Feb 1996, Doug White wrote: > On Sun, 11 Feb 1996, Marc G. Fournier wrote: > > > I'm just curious, but on a per day basis, how many Meg should > > I be able to expect to transfer through a 14.4 modem using PPP? Considering > > a continuous flow, we figure that probably about 4Meg/hr or 96Meg/day... > > I would say less, more 2 or 3 MB/hr. > > My 28.8 could do 6mb/hr on a good day (1mb every 10 mins). I would take > that in half and round down for an extra margin. > > Summary: your estimate is a little high. actually... from my experience... you can get a good 1.6k/sec (assuming 14.4k connect and a clean line)... this will convert to about 5.76megs/hr... I usally estimate about 11 mins for a meg at 14.4k... you have to remeber that all my numbers are with v.42bis error correction... the error correction actually removes the start and stop bit meaning it only uses 8bit/byte instead of the standard 10bits/byte.. hope this helps... TTYL.. John-Mark gurney_j@efn.org Modem/FAX: (503) 683-6954 (FreeBSD Box) Live in Peace, destroy Micro$oft, support free software, run FreeBSD (unix) GCS/M/Sd#h+s+!gau-a--w++++vC+++++UF++++P---E---N++W---M--V--Y+t+5++G+b+D++ B----eu+h++!f++n---- CD5OUF++++.L-------2W.DM----N.9---NET2SP3s.2,4s.,4d.2,6---
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