1 Scope
2
References
3
Terms and definitions
4
Abbreviations
5
Transport functional architecture of optical networks
5.1 General principles
5.2 Optical transport network layered structure
5.3 Optical channel layer network
5.3.1 Optical channel trail termination
5.3.2 OCh transport entities
5.4 Optical multiplex section layer network
5.4.1 Optical multiplex section trail
termination
5.4.2 OMS transport entities
5.5 Optical transmission section layer network
5.5.1 Optical transmission section trail
termination
5.5.2 OTS transport entities
5.6 Client/server associations
5.6.1 OCh/client adaptation
5.6.2 OMS/OCh adaptation
5.6.3 OTS/OMS adaptation
5.7 Optical network topology
5.7.1 Unidirectional and bidirectional connections and trails
5.7.2 Point-to-multipoint connections and
trails
6
Optical network management
6.1 Generic requirements
6.1.1 Generic fault, configuration and
performance management
6.1.2 Generic management communications
6.1.3 Generic client/server interaction
management
6.2 Optical layer network management requirements
6.2.1 Connection supervision
6.2.2 Signal quality supervision
6.2.3 Adaptation management
6.2.4 Protection control
6.2.5 Management communications
6.2.6 Other communication needs
6.3 Connection supervision techniques and applications
6.3.1 Inherent monitoring
6.3.2 Non-intrusive monitoring
6.3.3 Intrusive monitoring
6.3.4 Sublayer
monitoring
6.3.5 Monitoring of unused connections
6.3.6 Tandem connection monitoring
7
Optical network survivability techniques
7.1 Protection
7.2 Network restoration
8
Interconnection and interworking between different administrative
domains
Annex A – Impairment mitigation and regeneration
Appendix I – Examples of Optical Network functionality
I.1 Wavelength conversion
I.2 Cross-connect
I.3 Regeneration