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
10.7 Sub-wavelength add/drop
multiplexer (SWADM)
11 OTN and packet transport network (PTN)
hybrid equipment
Appendix I – ODU multiplexing considerations
Appendix II – Examples of SNC protection implementation
II.1 Analysis
Appendix III – OTN link and connection examples
Appendix IV – Multi-layer OTM-n network node interface
Appendix V – Converged packet and optical transport equipment type