Title :
Performability evaluation of gracefully degradable systems
Author :
Lindemann, Christoph W.
Author_Institution :
Dept. of Comput. Sci., Purdue Univ., West Lafayette, IN, USA
Abstract :
A method for evaluating the performability of repairable degradable systems based on combining generalized stochastic Petri nets and product-form queuing networks models is presented. The method takes into consideration the transient behavior during a change in the system structure. A hierarchical decomposition method is used to reduce the computational effort for the solution. Since it is assumed that all tasks in the system belong to a single class, the aggregation of a submodel to a flow-equivalent transition leads to an exact solution
Keywords :
Petri nets; multiprocessing systems; performance evaluation; queueing theory; transient response; flow-equivalent transition; generalized stochastic Petri nets; gracefully degradable systems; hierarchical decomposition method; performability evaluation; product-form queuing networks models; repairable degradable systems; transient behavior; Communication networks; Computer networks; Degradation; Intelligent networks; Performance evaluation; Petri nets; State-space methods; Stochastic processes; Stochastic systems; Storage area networks;
Conference_Titel :
Circuits and Systems, 1989., Proceedings of the 32nd Midwest Symposium on
Conference_Location :
Champaign, IL
DOI :
10.1109/MWSCAS.1989.101881
