“…Volovoi, 26 Mihalache et al, 33 Chew et al, 40 Ramos et al, 46 Kleyner and Volovoi, 47 Liu et al, 50 Singh and Rajput, 54 Singh et al, 56 Kaur et al 59 and Wu and Schnieder 62 used PN for reliability analysis of SCS. Markov chain models are also popularly used in system modelling to analyse reliability.…”