Can i have 2 internet connections open simultaneous?

[rob u]

It is possible but you need expensive router/gateways to work.
It use to be some what common when there was only DSL and slow modems.
Now with the high speed it was phase out but it is still possible.
To give you an idea of the challenge that was involved here is a 2003 page.
http://www.ibiblio.org/pub/Linux/docs/HO...IPLE-LINKS

In windows there is a ify way if you have two different network cards, I don't really recommend it but backup your computer and give it a try.
http://www.geekswhoknow.com/articles/loa...ctions.htm