This solution brief from Rakuten looks at the challenges telco face when managing complex infrastructure and running highly tuned Open RAN network functions (NFs) alongside additional revenue-generating stateful applications. They require on-demand agility, at immense scale, over a large set of diverse environments in order to reduce operational costs. Additionally, they are tasked with migrating to containers, while supporting legacy virtual machines (VMs), not to mention full bare-metal to services automation and observability.