On Monday 17 May 2004 17:23, Ed Wildgoose wrote: <snip> > Read the follows to that post as well. Basically it's only an > approximation. The "MPU" is basically pointing out that your ADSL > stream is encapsulated in an ATM stream. ATM uses fixed size 64 byte > packets. You need at least 2 of these, hence the 108 figure for MPU. > Now you also need to estimate overhead which is going to be the size of > the header on those ATM packets. Now I'm confused. Is it 53 bytes or 64 bytes? http://www.faqs.org/docs/Linux-HOWTO/ADSL-Bandwidth-Management-HOWTO.html > However, that still leaves the "wasted space" on the end of small > packets (eg those that take up 2.5 ATM cells, how much does the 0.5 take > up). > > I suggested a crude way to tweak that patch (easy to see how it works if > you look at the relevant lines in the orig file). However, I dont even > have a working QOS system so I haven't even compiled it! Look up the > specs for ATM though and you should be able to tweak that suggested line > change and get something. So the patch is supposed to increase the cost of dequeuing packets, then, provided you know what numbers to use? > I for one would be really interested to hear if it solves the problem! > > Ed W _______________________________________________ LARTC mailing list / LARTC@xxxxxxxxxxxxxxx http://mailman.ds9a.nl/mailman/listinfo/lartc HOWTO: http://lartc.org/
