Two PPPoE clients ?

Hi, I have two external modems (alcatel speech touch home) coming from two different ISP that provide me with an ADSL connexion each. Token separately, each modem/adsl line works fine (using pppoe from the SuSE 7.2 distribution). So far so good. Now, I want both lines to be up at the same time (I can put a dedicated NIC for each modem) but for this I need to have 2 pppoed/ppp processes at the same time. Obviously, pppoed can't do it if I do not hack the code. Anybody does it before ? Just to let you know, that configuration is supposed to provide me with some basic load balancing and better availability. Any advice welcome, Olivier.