1
Scope
2
References
3
Definitions
3.1
Terms defined elsewhere
4
Abbreviations and acronyms
5
Conventions
6
OTN layer hierarchy, domains, topology and connections
6.1
Network overview
6.2
Layer networks
6.3
OTN OAM functions
7
Operations, administration, maintenance and provisioning
7.1
OAM applications
7.2
TMN access
7.3
Timing function
7.4
Control plane access
7.5
Connection management
8
Protection switching
8.1
Linear protection
8.2
Shared ring protection
8.3
Shared mesh protection
9
Interface ports on optical transport network equipment
9.1 I-NNI
9.2 E-NNI
9.3 UNI
10
Basic OTN equipment types
10.1 3R regeneration
compound function
10.2
OTN network termination unit (NTU)
10.3
Wavelength Add/Drop Multiplexer (WADM)
10.4
Wavelength cross connect (WXC)
10.5
Sub-wavelength cross connect (SWXC)
10.6
Optical amplifier
11
OTN and packet transport network (PTN) hybrid equipment
Appendix I – ODU multiplexing considerations