WANs (Wide Area Networks) allow companies to extend their computer networks to be able to connect remote branch offices to data centers, public cloud, SaaS applications, and other internet-delivered applications and services that are required to perform essential business functions. Applications and connectivity are the lifeblood of all organizations today. The ability to connect users predictably and securely across branches, HQ, data centers, public clouds, etc. is the key to their success. However, more applications mean more demands on the network – and more demands on the teams that run them.