On Tue, 2012-02-07 at 17:37 +0100, Carsten Ralle wrote: > 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. I've never tried it myself, but I saw a talk about it at FOSDEM, and it looked promising. 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/ Andy