Research Article

QoS Measurement of Workflow-Based Web Service Compositions Using Colored Petri Net

Table 1

Quality evaluation of eflow using WSET.

TransitionMinimum timeMaximum timeCRSAMSAM(2)BH

1030100100100100
259910010098
24999999100
3499989999
12100100100100
3499989999
12100100100100
2310010010099
2310010010099
349910010099
349910010099
249910010099
249910010099
3599999999
2499989799
239910010098

PICK split probability of firings30-50-30
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 time20000
Reliability93.98%
Availability82.09%
Performance24.86 (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).