Converged networks
FC has always been a dedicated network (a storage area network), but starting with Internet Small Computer Systems Interface (iSCSI) and Fibre Channel over Ethernet (FCoE) protocols, the storage fabric could be shared with the network infrastructure, due to the common Ethernet layer. Although, it being possible does not mean that it's always recommended; a dedicated storage network simplifies troubleshooting and can minimize throughput bottlenecks.
But if you need to use the same physical switches both for traditional networking and for storage traffic, in this case, you have to plan the solution carefully and work with new standards specific to those kinds of converged networks.
Data Center Bridging (DCB) is a set of standards ...
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