A Comprehensive Availability Modeling and Analysis of a Virtualized Servers System Using Stochastic Reward Nets

Figure 2

SRN models of a VSS with multiple virtual machines.

(a) Host1 model

(b) SAN model

(c) Host2 model

(d) VMM1 model

(e) VMM2 model

(f) VMM1 clock model

(g) VMM2 clock model

(h) VM1 model

(i) VM2 model

(j) VM1 clock model

(k) VM2 clock model