The Dropbox Traffic team is charged with innovating our application networking stack to improve the experience for every one of our users—over half a billion of them. This article describes our work with NS1 to optimize our intelligent DNS-based global load balancing for corner cases that we uncovered while improving our point of presence (PoP) selection automation for our edge network. By co-developing the platform capabilities with NS1 to handle these outliers, we deliver positive Dropbox expe...