The L1 Value (144) i reached by using formula posted on this list, but i will decrease to 72 !! thanks about median time... for example, NOW, my traffic is very low.. 60 users surfing the web light ... and.. sometimes, May 9 02:02:37 california squid[2600]: WARNING: Median response time is 339 milliseconds maybe some user surfing on a slow site.. because the time to load pages are normal (i think) considering the latency from Brazil to EUA (180ms average), my home network running at 512 kbits/s completely load the www.cnn.com with 17 seconds... www.nytimes.com load at 14 seconds.. loading sites here, brazil (latency 26ms average) www.uol.com.br ... -> 2.1 seconds www.terra.com.br -> 2.7 seconds at peak time, my proxy receives about 100~120 req/s .. my system is Fedora Core 3 64bits, kernel 2.6.16 build with EMT64 and SMP system ahs 2.5GB of ram.. proxy running on a dedicated SCSI drive, 10k rpm 73gb.. how squid calculate this "median time" ? i´m confused about :P Thanks all for help :) best regards !! -- Sds. Alexandre J. Correa Onda Internet / OPinguim.net http://www.ondainternet.com.br http://www.opinguim.net