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     Reference Model definitions
        3.2     Security Architecture definitions
        3.3     Service Convention definitions
        3.4     Network Service definitions
        3.5     Internal Organisation of the Network Layer definitions
        3.6     Connectionless Network Protocol definitions
        3.7     Upper Layer Security Model definitions
        3.8     Conformance Testing definitions
        3.9     Additional definitions
 4     Abbreviations
        4.1     Data Units
        4.2     Protocol Data Unit Fields
        4.3     Parameters
        4.4     Miscellaneous
 5     Overview of the Protocol
        5.1     Introduction
        5.2     Overview of Services Provided
        5.3     Overview of Services Assumed
        5.4     Security Associations and Security Rules
        5.5     Overview of Protocol – Protection Functions
        5.6     Overview of Protocol – NLSP-CL
        5.7     Overview of Protocol – NLSP-CO
 6     Protocol Functions Common to NLSP-CL and NLSP-CO
        6.1     Introduction
        6.2     Common SA Attributes
        6.3     Common Functions on a Request for an Instance of Communication
        6.4     Secure Data Transfer Protocol Functions
        6.5     Use of a Security Association Protocol
 7     Protocol Functions FOR NLSP-CL
        7.1     Services Provided by NLSP-CL
        7.2     Services Assumed
        7.3     Security Association Attributes
        7.4     Checks
        7.5     In-Band SA Establishment
        7.6     Processing NLSP-UNITDATA Request
        7.7     Processing UN-UNITDATA Indication
 8     Protocol Functions for NLSP-CO
        8.1     Services Provided by NLSP-CO
        8.2     Services Assumed
        8.3     Security Association Attributes
        8.4     Checks and other Common Functions
        8.5     NLSP-Connect Functions
        8.6     NLSP-DATA Functions
        8.7     NLSP-EXPEDITED-DATA Functions
        8.8     RESET Functions
       8.10     NLSP-DISCONNECT
       8.11     Other Functions
       8.12     Peer Entity Authentication
 9     Overview of Mechanisms used
        9.1     Security Services and Mechanisms
        9.2     Functions Supported
10     Connection security control (NLSP-CO only)
       10.1     Overview
       10.2     SA-Attributes
       10.3     Procedures
       10.4     CSC-PDU Fields used
11     SDT PDU Based encapsulation Function
       11.1     Overview
       11.2     SA Attributes
       11.3     Procedures
       11.4     PDU Fields used
12     No-Header Encapsulation Function (NLSP-CO only)
      12.1      Overview
       12.2     SA Attributes
       12.3     Procedures
13     Structure and Encoding of PDUS
       13.1     Introduction
       13.2     Content Field Format
       13.3     Protected Data
       13.4     Security Association PDU
       13.5     Connection Security Control PDU
14     Conformance
       14.1     Static Conformance Requirements
       14.2     Dynamic Conformance Requirements
       14.3     Protocol Implementation Conformance Statement
Annex  A – Mapping UN primitives to CCITT Rec. X.213 | ISO 8348
Annex  B – Mapping UN Primitives to CCITT Rec. X.25 | ISO 8208
Annex  C – Security Association Protocol Using Key Token Exchange and Digital Signatures
        C.1     Overview
        C.2     Key Token Exchange (KTE)
        C.3     SA-Protocol Authentication
        C.4     SA Attribute Negotiation
        C.5     SA Abort/Release
        C.6     Mapping of SA-Protocol Functions to Protocol Exchanges
        C.7     SA PDU – SA Contents
Annex  D – NLSP PICS Proforma
        D.1     Introduction
        D.2     Abbreviations and Special Symbols
        D.3     Instructions for Completing the PICS Proforma
        D.4     Identification
        D.5     Features Common to NLSP-CO and NLSP-CL
        D.6     Features Specific to NLSP-CL
        D.7     Features Specific to NLSP-CO
Annex  E – Tutorial on some Basic Concepts of NLSP
        E.1     Basis of Protection
        E.2     Underlying vs NLSP Service
        E.3     NLSP Addressing
        E.4     Connection Mode NLSP
        E.5     Connectionless Mode NLSP
        E.6     Security Attributes and Associations
        E.7     Dynamic Functional Relationship between NLSP and CLNP
        E.8     Dynamic Functionality Related to Layered Model
Annex  F – Example of an Agreed Set of Security Rules
Annex  G – Security Associations and Attributes
Annex  H – Example Key Token Exchange – EKE Algorithm