Subject : Telecom Network Management

Topic : Broadband Network Management

M - interfaces used in ATM n/w

• There are 5 interfaces between system and network.

• Private n/s s are managed by private n/w managers are private n/w systems (NMS)

• public n/w manages

• M1 and M2 are interfaces between private NMS and either end user or private N/W.

• The end user can lie a work station ATM switch or any ATM device

• A private ATM n/w is an enterprise n/w

• A private NMS can access its own n/s related info in a public n/w via M3 interface to public NMS

• M4 is the interface between NMS of turn service providers

• The user interface to the private n/w is private user n/w interface (UNI) and the interface to the public n/w is public UNI.