QoS Measurement of Workflow-Based Web Service Compositions Using Colored Petri Net
Table 1
Quality evaluation of eflow using WSET.
Transition
Minimum time
Maximum time
CR
SAM
SAM(2)
BH
10
30
100
100
100
100
2
5
99
100
100
98
2
4
99
99
99
100
3
4
99
98
99
99
1
2
100
100
100
100
3
4
99
98
99
99
1
2
100
100
100
100
2
3
100
100
100
99
2
3
100
100
100
99
3
4
99
100
100
99
3
4
99
100
100
99
2
4
99
100
100
99
2
4
99
100
100
99
3
5
99
99
99
99
2
4
99
98
97
99
2
3
99
100
100
98
PICK split probability of firings
30-50-30
OR split probability of firings in order of appearance in Figure 6
(30-70), (5-95), (5-95), (5-95), (30-70)
Size of transitions to
10
Final time
20000
Reliability
93.98%
Availability
82.09%
Performance
24.86 (units of time)
CR: commitment ratio, SAM: strength of authorization method, SAM(2): strength of authentication method, and BH: the ratio of being at hand (usability ratio).