Upon initialization all TEPs shall be in the CLOSED state.
When a transmit TEP transitions to the ENABLED state (as commanded by the host), it shall send an OPEN/RESET packet to its receive TEP and initiate an acknowledgement timer.
When a transmit TEP transitions to the CLOSING state (as commanded by the host), it shall send a CLOSE packet to its remote receive TEP and initiate an acknowledgement timer.
CONTROL Timer Cancellation
Upon receipt of a CONTROL packet acknowledgement, a transmit TEP shall cancel its acknowledgement timer for that CONTROL packet.
CONTROL Timer Expiration
Upon expiration of the retransmit timeout period, the transmit TEP shall retransmit the CONTROL packet.
"Internal Standards developed by Sandia National Laboratories". Experience Base, Sandia National Laboratories, Albuquerque, NM, 0000.