Introduction
�1���� Scope
2 Normative
references
2.1 Identical
Recommendations | International Standards
2.2 Paired
Recommendations | International Standards identical in technical content
2.3 Additional
references
3 Definitions
3.1 Reference model
definitions
3.2 Network layer
architecture definitions
3.3 Network layer
addressing definitions
3.4 X.25
definitions
4 Abbreviations
5 Subnetwork
dependent convergence function
5.1 General model
5.2 Subnetwork user
data
5.3 Subnetwork dependent
convergence functions used with X.25 subnetworks
Annex A � PICS proforma
A.1 Introduction
A.2 Abbreviations
and special symbols
A.3 Instructions
for completing the PICS proforma
A.4 Identification
A.5 Subnetwork
dependent convergence functions for use with X.25 subnetworks