This document discusses Consul and how it can be used to manage complex networks. It provides an overview of Consul's key capabilities including service discovery, configuration management, and orchestration. It then covers topics like monitoring at scale, high availability, running Consul, and the Consul Enterprise offering. The remainder of the document focuses on network models in Consul, including clustering within a datacenter using LAN gossip, federation across datacenters using WAN gossip, and examples of how these models can be used.