Storage infrastructure is made up of three main components. Storage Area Networks (SAN), Network Attached Storage (NAS), and DirectAttachedStorage (DAS) are three types of storage networks (DAS).
Internet primarily has 4 major infrastructure components that are interoperable and connected, owned by many players. Each component owner provides access to their infrastructure for a fee to others. The components are Access/Last Mile, Backhaul/ Middle Mile, Operator Core Network, and Internet backbone.