> I'm in the situation of having two broadband ISPs available here  
> (cable and
> ADSL), which both are at times really unreliable. So I thought of  
> signing
> up with both and set up a router that automatically routes the more
> important packets through the WAN port where the traffic is best. Is
> something like this possible, with reasonable expense and effort?

Just get two routers.. same internal ip range.. two default routes  
with different metrics. If one is down the other will be used. Can't  
really do much more than that without some shinier kit.
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