1 Scope
2
References
2.1 Identical Recommendations | International Standards
2.2 Paired Recommendations | International Standards equivalent in
technical content
2.3 Additional references
3
Abbreviations
4
Protocol identifiers
5
Initial protocol identifier
5.1 General
5.2 Assignment structure for header-oriented protocols
5.3 Values assigned to the IPI for header-oriented protocols
5.4 Assignment structure for trailer-oriented protocols
5.5 Values assigned to the IPI for trailer-oriented protocols
6
Subsequent protocol identifier
6.1 General
6.2 Assignment structure for header-oriented protocols
6.3 Values assigned
to the SPI for header-oriented protocols
6.4 Assignment structure for trailer-oriented protocols
6.5 Values assigned to the SPI for trailer-oriented protocols
Annex A The location and use of protocol identifiers in X.25 Packet Layer
Protocol
Annex B Guidelines on the processing of protocol identifiers
B.1 Originating systems
B.2 Destination systems
Annex C – Identification of
Internet protocols
Annex D – Identification of
protocols that are discriminated according to the IEEE-defined SNAP convention
Annex E – Identification of
protocols specified by the Frame Relay Forum