The trends outlined in the preceding articles have seen the webscale companies moving further into investing in their own connectivity to form their global networks. Last year, AWS launched PrivateLink, which enables software-as-a-service developers to provide private cloud connections and endpoints. In the same year, Google launched connectivity between enterprise private clouds and its own cloud, allowing customers to choose between telco connectivity or that of Google’s own global infrastructure. Investment in physical connectivity – moving beyond the software-defined networking (SDN) which cloud giants pioneered – has risen. Google and Amazon have both been part of undersea cable deployments – AWS is putting money into several current projects, including a cable between Australia and the USA, one between Japan and…