“Network providers use the Border Gateway Protocol to tell each other which networks they can reach and how many hops away they are. The end user ISP then, in most cases, takes the shortest route to reach the destination.”— Janos Pasztor, pasztor.at
“Videos start out blurry but then suddenly sharpen up — that is Netflix switching servers till it connects to the one that will give you the highest quality of video.”— Mayukh Nair, medium.com