Failure Detection and Recovery Modelling for Multi-layered Service Systems
نویسندگان
چکیده
Existing approaches to combined performance and availability modelling of multi-layered service systems do not consider the delays associated with the detection of failure (repair) and subsequent reconfiguration. The detection delay influences the runtime overhead while both of them together affects the system downtime. The effect of these two types of delays should therefore be considered for precise modelling of the system. This position paper describes the avenues for extending a previous model on layered systems by considering detection delay incurred due to the propagation of failure or repair information through the layers and the delay induced due to system reconfiguration, thereby enhancing the modelling accuracy.
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