Is this a difference between a typical data center network's requirements and a typical campus...

Data center networks are typically less oversubscribed than campus networks is a difference between a typical data center network’s requirements and a typical campus network’s requirements. Oversubscription is the ratio of potential maximum demand to available capacity on a network link or device. Data center networks typically have higher bandwidth and lower latency requirements than campus networks, so they need to minimize oversubscription as much as possible1.