What are the well known addresses in Fibre Channel?

A well-known address is a reserved address for each Fibre channel service. Each address provides it’s respective service.

Well known addresses and its services are

Address	Service Name	Function
FFFFFE	Fabric login	Fabric login server assigns a fabric address to newly connected devices, which allows to communicate with other devices which is called FCID.
FFFFFC	Directory server / Name server	Directory server/Name server registers newly connected devices. It gives entry in name server. Conduct quires to discover other devices in fabric.
FFFFFD	Fabric controller	It is responsible for providing state change notifications(SCN)s to registered devices/nodes when a change is fabric topology
FFFFFB	Time Server	Time server sends time to all switches in fabric and maintains time synchronization.
FFFFFA	Management server	Management server provides single point of contact for managing the fabric.
FFFFF8	Alias Server	Alias server is responsible for creating and managing alias names for fabric nodes/devices.
FFFFFF	Broadcast server	Responsible for broadcasting to all N ports and NL ports.