initiated once step 2006 is completed finish block 2007 of fig2 is reached and finish block 1808 of fig1 is reached 0137 fig2 and fig2 are event state transition diagrams representing the initiator and the responder respectively of an exchange of data these figures show the progression from event wait state to event wait state the sequence of events needed and the actions performed as a result of each event in order to advance through the diagram and complete a session a session begins with the initiator in state block 2101 of fig2 and the responder in state block 2201 of fig2 that same session ends with the initiator returning to state block 2101 and the responder returning to state block 2201 regardless of how the diagrams are traversed in a normal session the initiator starting from state block 2101 of fig2 sends a session request package which includes the initiator 39 s ip port information and signature data once the session request package has been sent control then moves to state block 2102 the responder after receiving the session request checks the trading partner profile table 413 for the initiator 39 s profile if the profile is not found the responder creates a temporary profile in the responder 39 s trading partner profile table 413 to.