56 Message processing 42 40 44 56 36 42 33 44 49 36 30 33 53 51 30 I receiving message #1 ( 33, 36, 40, 42, 42, 44, 51, 53, 54, 56) receiving message #2 ( 33, 36, 40, 44, 51, 56) 22 receiving message #3 ( 40, 57) 22 40 14 receiving message #5 ( 40, 51) abstract data ( 28, 34) receiving message #6 ( 41, 52) 37 receiving other messages ( 33, 36) 37 53 36 Messages 35 22 38 26 36 26 34 22 36 21 36 20 36 20 36 25 37 23 35 27 21 20 21 20 IKE MM SA negotiation ( 33, 36, 39, 42, 44) 16 N 70 50 70 NAT traversal 12 abstract data model ( 28, 32) Initialization 33 39 32 42 34 56 33 42 overview ( 13, 31) 43 20 35 33 49 33 29 33 53 33 43 33 32 32 8 20 20 L 20 15 abstract data model ( 28, 48) Local events 49 41 49 57 52 43 51 44 44 38 51 34 51 52 51 31 52 54 51 52 M 49
56 42 44 36 33 49 30 53 I 22 22 14 abstract data ( 28, 34) 37 37 36 35 38 36 34 36 36 36 36 37 35 21 21 IKE MM SA negotiation ( 33, 36, 39, 42, 44) 16 70 50 70 12 Initialization 39 42 56 42 43 35 49 29 53 43 32 8 L Local events 41 57 43 44 38 34 52 31 54 M Message processing 40 56 42 44 36 33 51 30 receiving message #1 ( 33, 36, 40, 42, 42, 44, 51, 53, 54, 56) receiving message #2 ( 33, 36, 40, 44, 51, 56) receiving message #3 ( 40, 57) 40 receiving message #5 ( 40, 51) receiving message #6 ( 41, 52) receiving other messages ( 33, 36) 53 Messages 22 26 26 22 21 20 20 25 23 27 20 20 N NAT traversal abstract data model ( 28, 32) 33 32 34 33 overview ( 13, 31) 20 33 33 33 33 33 32 20 20 20 15 abstract data model ( 28, 48) 49 49 52 51 44 51 51 51 52 51 52 49