MDDPro: Model-Driven Dependability Provisioning in Enterprise Distributed Real-Time and Embedded Systems

Authors:
Sumant Tambe;Jaiganesh Balasubramanian;Aniruddha Gokhale;Thomas Damiano
Affiliations:
Vanderbilt University, Nashville, TN, USA;Vanderbilt University, Nashville, TN, USA;Vanderbilt University, Nashville, TN, USA;MITRE Corporation,
Venue:
ISAS '07 Proceedings of the 4th international symposium on Service Availability
Year:
2007

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Abstract

Service oriented architecture (SOA) design principles are increasingly being adopted to develop distributed real-time and embedded (DRE) systems, such as avionics mission computing, due to the availability of real-time component middleware platforms. Traditional approaches to fault tolerance that rely on replication and recovery of a single server or a single host do not work in this paradigm since the fault management schemes must now account for the timely and simultaneous failover of groups of entities while improving system availability by minimizing the risk of simultaneous failures of replicated entities. This paper describes MDDPro, a model-driven dependability provisioning tool for DRE systems. MDDPro provides intuitive modeling abstractions to specify failover requirements of DRE systems at different granularities. MDDPro enables plugging in different replica placement algorithms to improve system availability. Finally, its generative capabilities automate the deployment and configuration of the DRE system on the underlying platforms.