ATM is a connection-oriented technique  ó information in form
 of cells is routed through the network along a single path.
 Cells are always received in sequence.
  
 
 
 
 Statistical
 multiplexing of cells.
 
 An ATM
 connection is by definition unidirectional.
 
 ATM supports higher layer
 service adaptation, and may support different degrees of Quality of Service
 (QoS) and traffic management (IP term: traffic engineering).