Performance Evaluation of IP-SWAN System Based on Stochastic Petri Net
Jun Liu · Jisuanji gongcheng · 2007
Through analyzing the data flow in iSCSI-based IP-SWAN system,this paper proposes stochastic Petri net model(SPNM)of IP-SWAN system and a novel SPNA method for computing system I/O response time using equivalent conversion of serial or parallel transition.The performance evaluation and prediction are made by SPNA method.Theoretical analysis shows that bandwidth is the bottleneck of IP-SWAN performance in low-speed network,the I/O response time is reduced through enhancing the cache hit rate for read operation and CPU processing power at central server in high-speed network.