1
Scope
2 References
3 Definitions
4 Abbreviations
5 Conventions
6 Functional architecture of
transport networks
6.1 Axioms of the unified
architecture
6.2 Information
6.3 Topological components
6.4 Topology
6.5 Transport entities and
their properties
6.6 Transport information
entities
6.7 Transport processing
functions
6.8 Reference points
6.9 Layer relationships
7 Identity and identifiers
7.1 Identifiers
8 Transparency and impairments
9 Sublayers
9.1 Channel forwarding
9.2 Destination forwarding
Annex A – Definition and properties of a system
A.1 Introduction
A.2 Information systems
A.3 Basic transfer
function and telecommunications network
Appendix I – Use of identifiers
I.1 Use of identifiers
Appendix II – Relationships between architectural entities