Enterprise IT is changing. Applications are shifting to hybrid deployments across on-premises data centers and the cloud. Corporate campuses and branches are migrating from MPLS to low-cost broadband in Direct Internet Access (DIA) models. Employees no longer work exclusively at offices but can access company resources anywhere and with any device, often at home. Egress points multiply from a few to hundreds and even thousands, creating complex edge networks. The internet ties these changes together as the new corporate backbone.