If you are running a global business with your headquarters in Chicago and rely heavily on the internet for almost all your operations, then reliability, speed and bandwidth of the internet connection assumes prime importance. Your first choice is Dedicated Internet Access or DIA as it is known. At the lower end you have T1 line with speeds of 1.5 Mbps whereas an OC-192 line allows speeds up to 10 Gbps at corresponding prices. Regardless, when you choose a service provider you want reliability through built in redundancies and managed services in the background.