On Wed, Feb 14, 2007 at 01:13:39PM -0500, Chris Carlin wrote: > Matthew Toseland wrote: > > What's the typical packet loss on a wired internet connection? I've > > hardly ever seen packet loss here, certainly no more than 2%. > > > > On a good wireless connection? (20dB etc)? > > > > On a not so good wireless connection? > > For what it's worth, when playing with UDP protocols over residential > southern US ISPs I've seen end-to-end packet loss start at less than > five percent but then increase rapidly to 90% once a seemingly arbitrary > number of packets per second is reached. This happened without > saturation of the point-to-point bandwidth and was not connected to size > of the packets. > > Also, it wasn't a crazy test of UDP's limits; it was actually an > experiment to see why the AIMD in a real-world data transmission > algorithm was flapping. Turns out the 70-90% packet loss would follow > the transmit rate down until it reached another seemingly arbitrary > point (without regard to rate of decrease) where the loss would return > to normal. > > I did these experiments a year or two ago through a few separate pairs > of endpoints, so local malfunctioning equipment can probably be ruled out.
This is a deliberate throttling policy on the ISP then? > > ~Chris -------------- next part -------------- A non-text attachment was scrubbed... Name: signature.asc Type: application/pgp-signature Size: 189 bytes Desc: Digital signature URL: <https://emu.freenetproject.org/pipermail/devl/attachments/20070214/07c66aef/attachment.pgp>
