Date: Wed, 17 Jan 1996 12:42:05 -0700 From: Nate Williams <nate@sri.MT.net> To: Samy Touati <lmcsato@lmc.ericsson.se> Cc: Barnacle Wes <wes@intele.net>, questions@FreeBSD.org Subject: Re: delays in ppp solved Message-ID: <199601171942.MAA09000@rocky.sri.MT.net> In-Reply-To: <Pine.Sola.3.91.960117140412.21531A-100000@chicago> References: <199601161717.KAA08693@intele.net> <Pine.Sola.3.91.960117140412.21531A-100000@chicago>
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> > Aha! When I first started with SLIP, then PPP, one of the cardinal > > rules given to me by Terry Lambert was "turn off modem compression > > completely." Reasons for this edict I've garnered over the years include: > > > > 3. Modem compression, as you have noticed, often interferes with VJ > > compression used in SLIP and PPP implementations. Never seen it myself, and I'm *using* (ie; they are running now) CSLIP one one line and compressed PPP on the other with compression enabled. I think it's not a modem compression problem so much as other modem setup problems. > > 2. Modem compression often interferes with, and lengthens transfer of, > > compressed files such as .gz and .jpg. I think 'interfere' is mis-leading. It may cause some slowdowns of transfters with compressed files, but it's not that great in my experience. (< 10%) > > 1. Modem compression slows down turn-around time -- terrible for > > interactive sessions. Again, this is true but it's not that bad. Again, I'm seeing less than 10%. But, you forget the positives. Greater bandwidth, which means that Netscape is 'faster' than it was w/out modem compression. :) > Yes but if you turn off the compression on one modem, shouldn't you also > turn it off no the remote modem as well? If one modems doesn't support it (ie; it's disabled), the remote modem won't use it. Nate
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