An approach to experimentally obtain service dependability characteristics of the Jgroup/ARM system

This paper describes an approach based on stratified sampling combined with fault injections for estimating the dependability attributes of a service deployed using the Jgroup/ARM middleware framework. A first experimental evaluation is performed focusing on a service provided by a triplicated server, and indicative predictions of various dependability attributes of the service are obtained. The evaluation shows that a very high availability and MTBF may be achieved for services based on Jgroup/ARM.