Most of the companies have multiple branches. And almost all of them connect to each other over WAN (Wide Area Network) Links. Each branch needs Internet connectivity as well. So, what kind of connectivity architecture do companies adopt? Which architecture is better - MPLS WAN Connectivity and Centralized Internet Access (or) De-centralized Internet Access at each branch, while still connecting to other branches using MPLS Links (or) Virtual Private Networks using just Internet Leased Lines at all branches? We will find out, in this article.