IEC 61162-410:2001

FOREWORD
INTRODUCTION
1 Scope and object
2 Normative references
3 Definitions
4 Transport layer service specification
   4.1 General
   4.2 T-profile network and host computer addressing
        4.2.1 Introduction
        4.2.2 Addressing scheme
        4.2.3 Unique and singular hosts on the network
        4.2.4 Non-segmented logical network
        4.2.5 Size of network
   4.3 Communication services requirements
        4.3.1 Introduction
        4.3.2 Connectivity and data transfer internally
              and externally
        4.3.3 Service classes
   4.4 Time services
        4.4.1 General
        4.4.2 Services
   4.5 Management services
        4.5.1 General
        4.5.2 Services
   4.6 Graceful degradation facility
5 Transport layer interface (TLI)
   5.1 Overview
        5.1.1 LNAC and TLI
   5.2 General principles
        5.2.1 TLI, TP network service classes and
              connection points
        5.2.2 Connection point capabilities
        5.2.3 Attributes of TP network
        5.2.4 Attributes of connection point
        5.2.5 Connection point states
   5.3 TLI service overview
        5.3.1 General
        5.3.2 TLI management services
        5.3.3 Connection point management
        5.3.4 Data management
6 T-profile for redundant Internet
   6.1 Introduction
        6.1.1 Rationale for the use of Internet protocols
        6.1.2 Relationship to basic Internet protocols
        6.1.3 Rationale for use of Ethernet
   6.2 Transport profile architecture
        6.2.1 General
        6.2.2 Redundancy
        6.2.3 Communication services
   6.3 Message formats
        6.3.1 General format
        6.3.2 Special reliable link messages
        6.3.3 Broadcast messages
   6.4 Reliable stream protocol
        6.4.1 Introduction
        6.4.2 Connection management
        6.4.3 Data transmission
        6.4.4 Data reception
        6.4.5 Link close
   6.5 Reliable message service
        6.5.1 Introduction
        6.5.2 Data reception
        6.5.3 Data transmission on the urgent link
   6.6 Unreliable message service
        6.6.1 Introduction
        6.6.2 Connection management
        6.6.3 Message length limitation
        6.6.4 Data transmission
        6.6.5 Data reception
   6.7 Time services
        6.7.1 Introduction
        6.7.2 Time management architecture
        6.7.3 Client interfaces
        6.7.4 System integration requirements
   6.8 Network management services
        6.8.1 Introduction
        6.8.2 Physical architecture
        6.8.3 Required safety precautions
        6.8.4 NMA requirements
        6.8.5 Network element requirements
7 T-profile for non-redundant Internet
   7.1 Introduction
   7.2 Relationship to redundant Internet protocol
   7.3 Redundancy
   7.4 Reliable stream protocol
   7.5 Reliable message service
   7.6 Unreliable message service
   7.7 Time services
   7.8 Network management services
8 T-profile for wide area networks (MAU-LNA communication
   link)
   8.1 Introduction
        8.1.1 General architecture
        8.1.2 TP network and NNN code definitions
   8.2 Relationship to non-redundant Internet T-profile
   8.3 Reliable stream service
   8.4 Reliable message service
   8.5 Other services
Annex A (informative) Typical software library structure
Annex B (informative) Channel synchronization example
Annex C (informative) NTP and SNTP overview
Annex D (informative) Overview of Internet network
        management services

Defines the general requirements of the T-profile and three implementations of the T-profile over the Internet V4 (IPV4) protocol suite.