20 24 20 notification response from application 20 25 42 25 34 25 15 25 15 other local events ( 43, 52) 80 35 51 R 52 51 Server - download 51 51 52 51 10 51 11 52 10 message processing 14 51 54 51 60 52 54 sequencing rules 60 51 55 51 29 52 52 S 51 Server - upload Security abstract data 79 36 79 36 Sequencing 36 back-end client 35 48 36 48 triggered events 55 39 download server 39 51 38 51 43 52 message processing 51 43 server application 43 50 41 50 42 upload client 42 35 42 34 41 33 sequencing 34 43 34 43 34 41 upload server 42 43 42 43 42 41 41 42 43 42 38 42 Server application 41 49 Server 49 abstract data model ( 35, 51) 49 initialization ( 38, 51) 50 51 message processing notification request to application 50 24 50 24 sequencing rules 24
20 20 20 42 34 15 15 80 R 51 52 10 11 10 14 54 60 54 60 55 29 S Security 79 79 Sequencing back-end client 48 48 55 download server 51 51 52 51 server application 50 50 upload client 35 34 33 34 34 34 upload server 43 43 41 42 42 42 41 Server abstract data model ( 35, 51) initialization ( 38, 51) 51 notification request to application 24 24 24 24 notification response from application 25 25 25 25 other local events ( 43, 52) 35 51 52 51 Server - download 51 51 51 52 message processing 51 51 52 sequencing rules 51 51 52 52 51 Server - upload abstract data 36 36 36 35 36 triggered events 39 39 38 43 message processing 43 43 41 42 42 42 41 sequencing 43 43 41 42 42 42 41 43 38 Server application 49 49 49 50 message processing 50 50 sequencing rules