DIN EN ISO/IEC 8072:1996-04

Section 1 - General
1. Scope
2. Normative references
3. Definitions
4. Abbreviations
5. Conventions
6. Overview and general characteristics
7. Classes and types of Transport Service
Section 2 - Definition of the Connection-Mode Service
8. Features of the connection-mode Transport Service
9. Model of the connection-mode Transport Service
10. Quality of connection-mode Transport Service
11. Sequence of Transport Service primitives
12. Transport Connection establishment phase
13. Data transfer phase
14. Transport Connection release phase
Section 3 - Definition of the Connectionless-Mode Service
15. Features of the connectionless-mode Transport Service
16. Model of the connectionless-mode Transport Service
17. Quality of connectionless-mode Transport Service
18. Sequence of connectionless-mode primitives at one
     TSAP
19. Data transfer

Defines in an abstract way the externally visible service provided by the Open Systems Interconnection Layer. Coverage includes: features of the connection mode Transport Service; quality of connection mode Transport Service; Transport Connection release phase; classes and types of Transport Service; data transfer phase. Also gives definitions, diagrams and tables.