#18 Use intelligent failover
If you priorise different sorts of traffic over your bonded ADSL links, you can failover each bonded team of lines to each other, in case all the lines in one team should fail
Find out more about bonded ADSL.
Top #5 things you can do with bonded ADSL
Things you can't do with bonded ADSL
There are unfortunately plenty of things you can't do with bonded ADSL