A non-Markovian stochastic Petri net-based approach to performance evaluation of ontology-based service composition

2012 ◽  
Vol 24 (18) ◽  
pp. 2255-2267 ◽  
Author(s):  
Yunni Xia ◽  
Neng Wan ◽  
Gang Dai ◽  
Xin Luo ◽  
Tianhao Sun
Keyword(s):  
Performance Evaluation ◽  
Petri Net ◽  
Service Composition ◽  
Stochastic Petri Net

SPN-Based Performance Evaluation for ON-OFF Voice Traffic System

2011 ◽  
Vol 225-226 ◽  
pp. 1020-1023
Author(s):  
Zhi Guo Hong ◽  
Yong Bin Wang ◽  
Min Yong Shi
Keyword(s):  
Mathematical Modeling ◽  
Performance Evaluation ◽  
Time Delay ◽  
Modeling And Simulation ◽  
Petri Net ◽  
Traffic System ◽  
Stochastic Petri Net ◽  
Modeling Methodology ◽  
Voice Traffic ◽  
Variation Trends

By taking voice traffic system as study object, mathematical modeling methodology was used to investigate different parameters’ variations on system’s performance. Firstly, on the basis of analyzing the characteristics of voice traffic, this paper constructed a Stochastic Petri Net (SPN) model for ON-OFF voice traffic system. Furthermore, average time delay of the system was analyzed and model-based simulation was conducted with Stochastic Petri Net Package (SPNP) 6.0. For different parameters of ON to OFF rate and user’s voice connections, variation trends of number of user’s connections and ON to OFF rate are derived thereby. The methodology of modeling and simulation in this paper can be further used to analyze the performance of multimedia hybrid traffic system.

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