CSA ISO/IEC 8073 : 2002 : R2010

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Symbols and abbreviations
5 Overview of the Transport Protocol
6 Elements of procedure
7 Protocol classes
8 Specification for class 0: Simple class
9 Specification for class 1: Basic error recovery
   class
10 Specification for class 2: Multiplexing class
11 Specification for class 3: Error recovery and
   multiplexing class
12 Specification for class 4: Error detection and
   recovery class
13 Structure and encoding of TPDUs
14 Conformance
Annex A - State tables
Annex B - Network connection management subprotocol
Annex C - PICS Proforma
Annex D - Checksum Algorithms
Annex E - State tables for operation of class 4 over
          connection-mode and connectionless-mode
          network services

Defines: a) five classes of procedures when operating over the connection-mode network service; b) one class (class 4) of procedure when operating over the connectionless-mode network service; c) the means of negotiating the class of procedures to be used by the transport entities; d) the structure and encoding of the transport protocol data units used for the transfer of data and control information.