An element management system (EMS) manages one or more of a
specific type of network elements (NEs).
Using an EMS a user can manage all the features of each NE
individually, but not the communication between NEs.
Communication between NEs is managed by the network
management system (NMS).
A network management system is a combination of hardware and
software used to monitor and administer a network.
Network management refers to the maintenance and
administration of large scale computer networks at the top
In brief,If network vendor wants to manage multiple
EMS,vendor can go to NMS.
If network vendor wants to manage multiple EMS,vendor can
decide to go for NMS.
If network vendor want to manage one or more of a specific
type of network elements (NEs),vendor can decide to go for EMS.
Communications of the NEs are managed by NMS and EMS
also..NMS sits above the EMS and manages NEs and multipl
multi vendor EMS also...
EMS has certain capacity to manage NEs and NMS has certain
capacity to manage EMS, so if vendor wants to manage more
NE then he can switch to NMS by EMS.
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Chanaveer M G
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