Data Centre Bridging (DCB) is a set of enhancements for Ethernet that enables both LANs and Storage Area Networks (SANs) to utilize a single converged infrastructure within a data center. The DCB technology enables the lossless transportation of Fiber Channel, TCP/IP, and RoCEv2 (Remote Direct Memory Access over Converged Ethernet v2) based inter-process communication data across a unified Ethernet network.

The DCB supports the following DCB configurations: