CONTENTS

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     Data link service 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 subnetworks that provide the OSI data link service
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     Major capabilities
        A.6     Subnetwork dependent convergence functions for use with subnetworks that provide the OSI connectionless Data Link service
        A.7     Subnetwork dependent convergence functions for use with subnetworks that provide the OSI connection-mode Data Link service