Combine two internet line in Linux in without load balancing router

Hi Guys,

I have Linux enterprise edition in server.

I have two internet service provider. I want to combine the both the line to get more bandwidth or if one fails other will work.

Is that possible without load balancing router…

or i have uses the load balancing router..

Someone tell me that In linux there is option available for this…

Plz help me guys..

U can also contact me in this ID
This my email id jesudasjj@gmail.com