1 Scope
2 References
3 Definitions and terms
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations
5 Reference model
5.1 Connection-oriented mode
5.2 Connectionless mode
6 Link layer
6.1 Data framing
6.2 Point-to-point multiplex
6.3 Frame format and field definitions
6.4 Control and management
7 Network layer
7.1 Network address
7.2 Packet format and field definitions
7.3 Control and management
8 Access and interworking
8.1 Interworking
8.2 General functions
8.3 Components
9 OAM
9.1 Connectionless mode
9.2 Connection-oriented mode
Bibliography