CONTENTS

SECTION 1 – GENERAL
 1     Scope
 2     Normative references
        2.1     Identical Recommendations | International Standards
        2.2     Additional references
 3     Definitions
        3.1     Basic reference model definitions
        3.2     Service conventions definitions
        3.3     Network Service definitions
        3.4     Network addressing definitions
        3.5     Network layer architecture definitions
 4     Abbreviations
 5     Conventions
        5.1     General conventions
        5.2     Parameters
        5.3     NC end-point identification convention
 6     Overview and general characteristics
 7     Types and classes of Network Service
SECTION 2 – DEFINITION OF THE CONNECTION-MODE SERVICE
 8     Features of the connection-mode Network Service
 9     Model of the connection-mode Network Service
        9.1     Model of the connection-mode Network Layer Service
        9.2     Model of a Network Connection
10     Quality of the connection-mode Network Service
       10.1     Determination of QOS
       10.2     Definition of QOS-parameters
11     Sequence of primitives
       11.1     Relation of primitives at the two NC end-points
       11.2     Sequence of primitives at one NC end-point
12     Connection establishment phase
       12.1     Function 
       12.2     Types of primitives and parameters
       12.3     Sequence of primitives
13     Connection release phase
       13.1     Function 
       13.2     Types of primitive and parameters
       13.3     Sequence of primitives when releasing an established NC
       13.4     Sequence of primitives in an NS user rejection of an NC establishment attempt
       13.5     Sequence of primitives in an NS provider rejection of an NC establishment attempt
14     Data transfer phase
       14.1     Data transfer
       14.2     Receipt confirmation service
       14.3     Expedited data transfer service
       14.4     Reset service
SECTION 3 – DEFINITION OF THE CONNECTIONLESS-MODE SERVICE
15     Features of the connectionless-mode Network Service
16     Model of the connectionless-mode Network Service
       16.1     Model of the connectionless-mode Network Layer Service
       16.2     Model of a network connectionless-mode transmission
17     Quality of the connectionless-mode Network Service
       17.1     Determination of QOS
       17.2     Definition of network connectionless-mode QOS-parameters
       17.3     Route selection considerations
18     Sequence of primitives
19     Data transfer
       19.1     Function 
       19.2     Types of primitives and parameters
       19.3     Sequence of primitives
Annex A – Network Layer Addressing
        A.1     General
        A.2     Scope
        A.3     Concepts and terminology
        A.4     Principles for creating the OSI Network addressing scheme
        A.5     Network address definition
        A.6     Character based DSP allocation
        A.7     Reference publication formats
        A.8     Network entity titles
Annex B – Rationales for the material in Annex A
        B.1     IDI formats (see A.5.2.1.2)
        B.2     Reservation of AFI values 00-F and FF (see Table A.1)
        B.3     Derivation of the preferred encodings (see A.5.3)
Annex C – Facilities for conveying service characteristics in the connectionless-mode Network Service
        C.1     Introduction
        C.2     Function
        C.3     Types of primitives and parameters
        C.4     Service characteristics
        C.5     Types of primitives and parameters