A N Abstract data model 5 10 9 O 6 6 C P 6 18 16 6 D 6 17 Data model - abstract 10 R 9 5 E 6 5 12 6 Responder F 10 11 11 7 11 11 G 10 11 5 11 10 H S Higher-layer triggered events 11 Security 9 16 16 I Sender 9 16 9 16 9 6 10 Initialization 9 11 9 9 9 5 10 9 L Sequencing rules 11 events 9 11 7 10 8 M T Message processing Timer events 11 11 9 10 Messages Timers 8 10 8 9 18
A Abstract data model 10 9 6 C 6 18 D Data model - abstract 10 9 E 12 F 7 G 5 H Higher-layer triggered events 11 9 I 16 16 6 Initialization 11 9 5 L events 11 10 M Message processing 11 9 Messages 8 8 N 5 O 6 P 16 6 6 17 R 5 6 5 6 Responder 10 11 11 11 11 10 11 11 10 S Security 16 16 Sender 9 9 9 10 9 9 9 10 9 Sequencing rules 11 9 7 8 T Timer events 11 10 Timers 10 9 18