Saw these lines in my http proxy live log, wasn't sure what it was doing, so thought I should post it here. Looks like it is determining the quickest server by access time?
2007:11:11-16:11:42 (none) httpproxy[4235]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="sc_servers_callback" file="scr_scanner.c" line="809" message="server 'cffs07.astaro.com' access time: 317"
2007:11:11-16:11:42 (none) httpproxy[4235]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="sc_servers_callback" file="scr_scanner.c" line="809" message="server 'cffs06.astaro.com' access time: 519"
2007:11:11-16:11:42 (none) httpproxy[4235]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="sc_servers_callback" file="scr_scanner.c" line="809" message="server 'cffs04.astaro.com' access time: 949"
2007:11:11-16:11:42 (none) httpproxy[4235]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="sc_servers_callback" file="scr_scanner.c" line="809" message="server 'cffs08.astaro.com' access time: 550"
2007:11:11-16:11:45 (none) httpproxy[4235]: id="0003" severity="info" sys="SecureWeb" sub="http" request="(nil)" function="sc_servers_callback" file="scr_scanner.c" line="809" message="server 'cffs05.astaro.com' access time: 3707"