Re: user-ppp faster then pppd ?
> > On Fri, Sep 12, 2003 at 01:37:59AM +0200, [EMAIL PROTECTED] wrote: > > >The difference is too small to be meaningful. > > > > when you have 56k modem and ~4.5KB throughput 0.5KB can make a big > > difference > > I wonder if we're thinking of the same numbers. I've seen 56k modems > run at 14,000 bps on bad lines, but not often. 4,500 bps is pretty > slow. I was guessing he was mixing bits and bytes and means ~4.5 Kbytes/second which is pretty good on a 56k line. But, I could be guessing wrong. jerry ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: user-ppp faster then pppd ?
On Fri, Sep 12, 2003 at 01:37:59AM +0200, [EMAIL PROTECTED] wrote: > >The difference is too small to be meaningful. > > when you have 56k modem and ~4.5KB throughput 0.5KB can make a big > difference I wonder if we're thinking of the same numbers. I've seen 56k modems run at 14,000 bps on bad lines, but not often. 4,500 bps is pretty slow. > >The change means that the second connection traveled over wires that were > >slightly noisier, or slightly busier, or one of a hundred other > >possibilities. The odds that there is a difference in connection speeds > >caused by a difference between ppp and pppd lie somewhere between zero and > >null. > > I tried it several times and got the same results, therefore it must be > caused by the diffrence between ppp and pppd. I've done repeated measurements on connections, gotten consistent results, and discovered a week later that I was getting different results. I would not trust results unless they were consistent over time. I don't know how many tests you did or over how long a period you did them, so you may be right. You didn't mention repeating your test in your first post, and I'll admit I assumed that you did it once. Running ppp in the kernal is supposed to be more efficient. In practice, I doubt it makes a lot of difference. Most of what controls transmission speed is in the modem, not the computer. Some things that affect speed can be negotiated between the computers, and that might make a difference, depending on how you're configured. Or I could be just plain wrong; user PPP might have been tweaked to the point where it works faster. I used pppd until a few months ago, and my recommendation is to go with user PPP, regardless of speed differences. Few people use pppd, so you won't get as much help if you have problems. Roughly 75% of the answers I got when I was asking for pppd help explained how to fix the problem if I were using user PPP. User ppp is much more flexible, and I did a lot of work solving problems on a couple of occasions that could have been solved quickly and easily if I had been using user PPP. Bob Hall ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: user-ppp faster then pppd ?
On Fri, Sep 12, 2003 at 01:37:59AM +0200, [EMAIL PROTECTED] wrote: > >The difference is too small to be meaningful. > > when you have 56k modem and ~4.5KB throughput 0.5KB can make a big > difference > > >The change means that the second connection traveled over wires that were > >slightly noisier, or slightly busier, or one of a hundred other > >possibilities. The odds that there is a difference in connection speeds > >caused by a difference between ppp and pppd lie somewhere between zero and > >null. > > I tried it several times and got the same results, therefore it must be > caused by the diffrence between ppp and pppd. I don't know that there's much to it. Since they're different implementations, they may well perform differently. For example, user ppp has had a lot of work done on it over the years, whereas pppd has essentially been an unmaintained orphan for the last 3-4 years. Just stick with whichever one works best for you. Kris pgp0.pgp Description: PGP signature
user-ppp faster then pppd ?
The difference is too small to be meaningful. when you have 56k modem and ~4.5KB throughput 0.5KB can make a big difference The change means that the second connection traveled over wires that were slightly noisier, or slightly busier, or one of a hundred other possibilities. The odds that there is a difference in connection speeds caused by a difference between ppp and pppd lie somewhere between zero and null. I tried it several times and got the same results, therefore it must be caused by the diffrence between ppp and pppd. Thanks ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: user-ppp faster then pppd ?
On Thu, Sep 11, 2003 at 09:23:31PM +0200, [EMAIL PROTECTED] wrote: > Hi > I recently tried to connect to the Internet using kernel ppp (pppd) instead > off user ppp. I noticed that the connection was about 0.5 KB slower whith > pppd when downloading the same file from the same server. I'm using a 56 K > modem and have Release 5.1 installed, I also appended my /etc/ppp/options, The difference is too small to be meaningful. I've seen differences of 20KB using the same hardware and software. The change means that the second connection traveled over wires that were slightly noisier, or slightly busier, or one of a hundred other possibilities. The odds that there is a difference in connection speeds caused by a difference between ppp and pppd lie somewhere between zero and null. Bob Hall ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
user-ppp faster then pppd ?
Hi I recently tried to connect to the Internet using kernel ppp (pppd) instead off user ppp. I noticed that the connection was about 0.5 KB slower whith pppd when downloading the same file from the same server. I'm using a 56 K modem and have Release 5.1 installed, I also appended my /etc/ppp/options, ppp.conf files. What could be the reason for the different throughputs? ppp.conf--- # # PPP Sample Configuration File # Originally written by Toshiharu OHNO # Simplified 5/14/1999 by [EMAIL PROTECTED] # # See /usr/share/examples/ppp/ for some examples # # $FreeBSD: src/etc/ppp/ppp.conf,v 1.8 2001/06/21 15:42:26 brian Exp $ # default: set log Phase Chat LCP IPCP CCP tun command ident user-ppp VERSION (built COMPILATIONDATE) # Ensure that "device" references the correct serial port # for your modem. (cuaa0 = COM1, cuaa1 = COM2) # set device /dev/cuaa1 set speed 115200 set dial "ABORT BUSY ABORT NO\\sCARRIER TIMEOUT 5 \ \"\" AT OK-AT-OK ATE1Q0 OK \\dATDT\\T TIMEOUT 40 CONNECT" set timeout 180# 3 minute idle timer (the default) enable dns # request DNS info (for resolv.conf) freenet: # # edit the next three lines and replace the items in caps with # the values which have been assigned by your ISP. # set phone 019231770 set authname USERNAME set authkey PASSWORD set ifaddr 10.0.0.1/0 10.0.0.2/0 255.255.255.0 0.0.0.0 add default HISADDR# Add a (sticky) default route options- # $FreeBSD: src/share/examples/pppd/options.sample,v 1.1 2002/01/29 00:23:33 cjc Exp $ # # Example for /etc/ppp/options file. # crtscts # enable hardware flow control 115200 modem # modem control line noipdefault # remote PPP server must supply your IP address. passive # wait for LCP packets defaultroute# put this if you want that PPP server will be your # default router ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
