Optical Transport Networks from TDM to Packet
Foreword
Acknowledgements
Preface
Table of Contents
Chapter 1 – Network Architecture
1.1 Common aspects of the network functional model
1.1.1 Network topology
1.1.2 Layering
1.2 Components of the architectural model
1.2.1 Topological components
1.2.2 Transport processing functions
1.2.3 Transport entities
1.2.4 Relationship between topological components and transport entities
1.3 Specific SDH aspects
1.4 Specific OTN aspects
1.4.1 General principles
1.4.2 Implementation of an optical network
1.4.3 Digital OTN layered structure
1.4.4 Optical channel data unit (ODU) layer network
1.4.5 Optical channel transport unit (OTU) layer network
1.4.6 Optical channel layer network (OCh)
1.4.7 ODU time division multiplexing
1.4.8 Interconnection between different domains
1.4.9 Multi-domain OTN
1.5 Specific Ethernet over transport aspects
1.5.1 Ethernet over transport service architecture
1.5.2 Ethernet layer network architecture
1.5.3 Ethernet network topology
Chapter 2 – Frame structures, mapping and multiplexing
2.1 SDH specific aspects
2.1.1 SDH frame structures and overhead
2.1.2 SDH mapping/multiplexing
2.2 Specific OTN aspects
2.2.1 OTH frame structure and overhead
2.2.2 OTN mapping and multiplexing
2.3 Specific Ethernet over transport aspects
2.3.1 Types of Ethernet interfaces for frame mapped Ethernet
2.3.2 The NNI basic structure and mapping/multiplexing principles
2.3.3 Ethernet over SDH
2.3.4 Ethernet over OTN
2.4 Common mapping and concatenation aspects
2.4.1 Common mapping aspects (Generic Framing Procedure)
2.4.2 Concatenation (CCAT, VCAT, LCAS)
Chapter 3 – Operations, administration, maintenance and provisioning
3.1 Common aspects
3.1.1 The OAM acronym as a functional unity
3.1.2 The OAM acronym broken up
3.1.3 The OAM toolbox
3.2 Specific SDH aspects
3.3 Specific OTN aspects
3.4 Specific Ethernet over transport aspects
3.4.1 Management aspects
3.4.2 OAM functions in packet technologies
3.4.3 OAM PDU format
3.4.4 OAM functions for fault management
3.4.5 OAM functions for performance monitoring
Chapter 4 – Protection for survivability
4.1 Common aspects of protection
4.1.1 Network objectives
4.1.2 Protection switching architectures
4.1.3 Protection switching parameters
4.1.4 Protection switching classes
4.1.5 Hold-off timer
4.1.6 Protection switching trigger criteria
4.1.7 Null signal
4.1.8 Automatic protection switching (APS) protocol
4.1.9 Link capacity adjustment scheme (LCAS) for protection
4.1.10 Multi-layer survivability
4.2 SDH aspects of protection
4.2.1 Linear virtual container (VC) trail protection
4.2.2 Linear multiplex section protection switching
4.2.3 Multiplex section shared protection rings
4.2.4 Subnetwork connection protection
4.3 OTN aspects of protection
4.4 Ethernet over transport (EoT) protection aspects
4.4.1 Ethernet linear protection (ELP)
4.4.2 Ethernet ring protection (ERP)
Chapter 5 – Synchronization, control of jitter and wander
5.1 Common aspects
5.1.1 History
5.1.2 Terminology
5.1.3 Metrics specifications
5.1.4 Synchronization network design
5.1.5 Testing
5.2 Specific SDH aspects
5.2.1 General
5.2.3 Architecture of synchronization networks based on SDH
5.2.4 SDH synchronization performance
5.2.5 Clocks
5.2.6 Network engineering
5.3 Specific OTN aspects
5.3.1 Network requirements
5.3.2 Mapping and multiplexing
5.3.3 Clock specification
5.3.4 Transport of synchronous Ethernet through OTN
5.4 Specific packet network synchronization aspects
5.4.1 Introduction
5.4.2 Timing distribution over the Ethernet physical layer: Synchronous Ethernet
5.4.3 CES timing aspects
5.4.4 Timing via packet-based methods
Chapter 6 – Equipment functional requirements
6.1 Equipment functional model
6.1.1 Specification of the atomic functions
6.1.2 Naming of atomic functions
6.1.3 Description of the basic atomic functions
6.2 Atomic functions reference points
6.3 Types of bindings
6.4 Combination of atomic functions
6.5 Application of the functional model to the transport networks
Chapter 7 – Equipment management requirements
7.1 Common aspects
7.1.1 Management architecture
7.1.2 Fault management
7.1.3 Configuration management
7.1.4 Account management
7.1.5 Performance management
7.1.6 Security management
7.2 Specific SDH aspects
7.2.1 SDH equipment management requirements
7.2.2 SDH equipment management information model
7.3 Specific OTN aspects
7.3.1 OTN equipment management requirements
7.3.2 OTN equipment management information model
7.4 Specific Ethernet over transport aspects
7.4.1 EoT equipment management requirements
7.4.2 EoT equipment management information model
Chapter 8 – Automatically switched optical networks (ASON)
8.1 Basic principles
8.1.1 Business and operational requirements
8.1.2 ASON architecture principles
8.1.3 Types of connections
8.2 Architecture Recommendations
8.2.1 Control plane architecture
8.2.2 Data communication network/signalling communications network (DCN/SCN) architecture
8.3 ASON signalling
8.3.1 Protocol-neutral specifications
8.3.2 Protocol specific specifications
8.4 ASON routing
8.4.1 Generic routing
8.4.2 Link state routing
8.4.3 Remote path query
8.5 ASON autodiscovery
8.5.1 Autodiscovery architecture and requirements
8.5.2 Layer adjacency discovery
8.6 Operation and management
8.6.1 ASON control plane management
8.6.2 ASON Operations
8.7 Considerations on ASON deployment
8.7.1 Potential benefits from ASON networks
8.7.2 Potential challenges related to ASON networks
Glossary