We analyze the interaction between system virtualization and fault injection: (i) use of virtualization to facilitate fault injection into non-virtualized systems, and (ii) use of fault injection to evaluate the dependability of virtualized systems. We explore the benefits of using virtualization for fault injection and discuss the challenges of implementing fault injection in virtualized syste...

Real-time control applications involve the interaction of multiple components. As systems become more complex their reliability tends to decrease, hence, fault tolerance must be incorporated to keep reliability within specified levels. A novel reconfiguration mechanism inspired by mechanisms that take place during the embryonic development of living beings is proposed in this paper. It is illus...

The NNW-trending Dena Fault, with 140 km length, cuts the major structures of Zagros Fold-Thrust Belt in Borujen region. The fault has divided the region in two zones, in which different structural, andmorphological features as well assedimentation and seismtectonic characteristics have developed. This study presents a new interpretation for the kinematics of Dena Fault based on field evidence....

This paper extends model-based diagnosis (MBD) (de Kleer and Williams 1987; Reiter 1987) to systems with hidden interaction faults. An interaction fault is present if an interaction among a set of components leads to an observable failure, even though each individual component individually meets the specifications. A naive approach to address interaction faults is to simply account for all poss...

Fault tolerance is a crucial design consideration for missioncritical distributed real-time and embedded (DRE) systems, such as avionics mission computing systems, and supervisory control and data acquisition systems. Increasingly more of these systems are created using emerging middleware standards, such as publish-subscribe communication services and component based architectures. Most previo...

ÐThis paper describes a modular approach for the construction of fault-tolerant agreement protocols. The approach is based on a generic consensus service. Fault-tolerant agreement protocols are built using a client-server interaction, where the clients are the processes that must solve the agreement problem and the servers implement the consensus service. This service is accessed through a gene...

Replication is a suitable approach for the provision of fault tolerance and load balancing in distributed systems. Object replication takes place on the basis of well-designed interaction protocols that preserve object state consistency in an application transparent manner. The published analytic performance models may only be applied in single-server process replication schemes and are not sui...

Introduction......................................................................................................................... 1 TriMan software package ................................................................................................... 2 The numeric model ......................................................................................................... 3 Inverse m...