>> Is there a configuration (preferably without ICP) to transparently use >> all three lines in parallel for a connection (e.g. HTTP/FTP-download or >> data streaming) ? > > How about multipath TCP? Assuming that you control both ends of your WAN > links, which I think you do from the diagram. > It's not in the stable kernel yet, but the guys are keen for people to > try it out. > http://nrg.cs.ucl.ac.uk/mptcp/ thank's Andy, that's exactly what I was looking for, on a different level of the network stack, though. I'll check out the links on the UCL site, but as far as I can see its all beta (and our servers run productively) ... Anybody any other ideas using squid ? Carsten -- -------------------------------------------------- Yoo GmbH Tel.: 037328 809 40 Zellwaldring 51 Fax : 037328 809 96 D-09603 Grossvoigtsberg Germany www.yoogmbh.de Registereintrag: Amtsgericht Chemnitz, HRB 181 852 Geschäftsführung: Carsten Ralle --------------------------------------------------