> As a baseline I downloaded acme-net-2.6.17.git and did some testing. > When I test with netem in the middle between two boxes the transmitter > locks solid.... > > Test > ./ttcp_acme -c -l500 -n100 -t jandi2 > ./ttcp_acme -c -l500 -r > > Netem configured as follows in middle box: > sudo tc qdisc add dev lan1 root netem delay 50ms loss 10% > sudo tc qdisc add dev lan0 root netem delay 50ms loss 10% > > I don't believe this happens with older version of DCCP (just pre > CCID2) so I will start trying to track down.... > > I don't have so much time so may take a little while. Feel free to > investigate earlier if you wish. > OK. Run some more tests. This occurs only in CCID2 in acme/net-2.6.17.git. CCID3 is fine without CCID2 compiled in from .config. My transmit buffering is not OK either but that has not been merged. Only occurs when I use netem in the middle. Locks the machine solid on the transmitter but the receiver is OK.
Over to you Andrea unless I get further time to look at but not likely for a few days at least... Ian -- Ian McDonald http://wand.net.nz/~iam4 WAND Network Research Group Department of Computer Science University of Waikato New Zealand - To unsubscribe from this list: send the line "unsubscribe dccp" in the body of a message to [EMAIL PROTECTED] More majordomo info at http://vger.kernel.org/majordomo-info.html
