SummaryITU-T Recommendation Q.840.1 covers the
management of Ethernet over Transport (EoT) and Metro Ethernet Network (MEN).
In this Recommendation, the Element Management System (EMS) is an Operations
System (OS) used to manage the individual NEs in a
network. One or more systems may be required depending on the different
supplier products and geographic distribution of the elements in the network.
The goal of these systems is to manage elemental layer (NE view) information
specific to the network element. The Network
Management System (NMS) represents an integrated management OS across the
different network technology and EMSs. An NMS
communicates with an |