DRAWBACK OF TRADITIONAL LEASED LINE CIRCUITS DRAWBACK OF TRADITIONAL LEASED LINE CIRCUITS 1.                  No Intramedia in between. Grew from 64 kbps they have to jump over to 2 Mbps only. 2.                  Data Cards support only upto 64 Kbps 3.                  From Operator pt of view in case of Leased Line Circuit different boxes from different vendors so difficult to manage & control. 4.                  No Centralized Monitoring or alarm or performance monitering. Therefore we should have a control to all this, we are able to identify before the customer know which circuit has gone faulty The solution to this is MLLN Introduction to MLLN