1 Scope
2
References
2.1 Normative references
2.2 Informative references
3
Definitions
4
Symbols and abbreviations
5 Introduction
5.1 Overview of
functionality
5.2 Identification of OAM packets from normal user-plane traffic
5.3 OAM payload
5.4 Handling of errored OAM packets
5.5 Engineering cost/risk
considerations
5.6 Backward compatibility
considerations
6 OAM mechanisms
6.1 Features common to all
OAM packets
6.2 Connectivity
Verification (CV)
6.3 Fast Failure Detection (FFD)
6.4 Forward Defect
Indication (FDI)
6.5 Backward Defect
Indication (BDI)
6.6 On-demand diagnostic
OAM mechanisms
6.7 Defect type codepoints
6.8 Defect type entry/exit criteria and consequent actions
7
Available and unavailable state processing
7.1 Short-breaks
7.2
Available/unavailable state definition
7.3 Near-end and far-end measurements of availability
7.4 Near-end state processing flow-chart
7.5 Far-end state processing flow-chart
7.6 A pictorial view of near-end and far-end state processing for
a short-break and an unavailability event
8 Security aspects
Appendix I – CV source and sink processing
Appendix
II – Indexing LSP Availability State Machine (ASM)
Appendix
III – Different possible defect scenarios when using FFD OAM
BIBLIOGRAPHY