�1���� Overview
�2���� Normative Reference
�3���� Providing the At-Most-Once
functionality
�4���� Transaction identifiers and
three-way handshake
������� 4.1���� Transaction identifiers
������� 4.2���� Three-way handshake
�5���� Computing retransmission timers
�6���� Provisional responses
�7���� Ordering of commands
�8���� Stream independence