SECTION 1 - GENERAL
1 Scope
2 Normative references
    2.1 Identical Recommendations/International
          Standards
    2.2 Paired Recommendations/International Standards
          equivalent in technical content
    2.3 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 endpoint 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 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 OS-parameters
11 Sequence of primitives
    11.1 Relation of primitives at the two NC end points
    11.2 Sequence of primitives at one NC endpoint
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
    B.3 Derivation of the preferred encodings
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