The document provides an overview of the enterprise networking sector including key investment trends, notable companies, markets, and acquisitions. It summarizes that there have been over $13.5 billion in funding to over 4,600 companies in the sector with major companies including Cisco, VMware, Hewlett Packard Enterprise. The top markets of investment are SD-WAN, CDN, network management, and routing software. Recent large acquisitions include Mellanox Technologies and Viptela.