1 Scope
2 References
3 Definitions
4 Abbreviations
5 Conventions
6 Reference model
7 OAM protocol formats
7.1 Encapsulation formats
7.2 OAM message format
7.3 OAM information fields
8 OAM procedures
8.1 Message encoding/decoding rules
8.2 General message processing
8.3 Hello message processing (device discovery)
8.4 Service level verification message processing
8.5 Non-latching loopback message processing
8.6 Latching loopback message processing
8.7 Diagnostic indication message processing
8.8 Network applications of loopback
Appendix I – General receive
procedures
Appendix II – Message flows
II.1 Discovery
II.2 FTD measurement
II.3 FDR/DDR measurement
II.4 Non-latching loopback
II.5 Latching loopback
Appendix III – Example of delivery
ratio calculation
III.1 Ingress processing
III.2 Egress processing