This second annual edition of “The State of Data Center Networking” reveals that on-premises data centers and private cloud remain essential core components of a hybrid, multi-cloud strategy with high-availability applications. To ensure that private infrastructure serves the needs of a digital enterprise, network teams must modernize their data center networks. This research shows how companies are achieving this goal with network overlay fabrics and network automation. It also explores the challenges they encounter on their journey to a hybrid, multi-cloud future.