There is disclosed in an example, a fabric interface device, having: a fabric interconnect to communicatively couple to a fabric; service level agreement (SLA) input logic to receive an SLA data structure from a controller, the SLA data structure providing an end-to-end SLA for a resource flow provided by a plurality of resources, and comprising QoS metrics for the resources; and SLA output logic to propagate the QoS metrics out to the resources via the fabric interconnect.