NMS

OAM frameworks are implemented as Element Management Systems (EMS) and Network Management Systems (NMS).

 

FCAPS(fault, Configurations, accounting, performance, and security)...is OSI model.
FCAPS is cover in OA&M.

   
MIB(Management Information Base), is a virutal database that contains information about management objects.
MDB(management Database) is to store the management informations.