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In this paper we introduce X-Ware, a framework for computing whereby components used by an application can take different forms and characteristics across the lifetime of the system in order to adjust to dynamic application requirements. In particular, we explore two aspects of system mutability: dynamic choice of implementations for certain system components (e.g., leading to different trade-offs...
Although a significant fraction of emerging failure and wearout mechanisms result in intermittent or permanent faults in hardware, their impact (as distinct from transient faults) on software applications has not been well studied. In this paper, we develop a distinguishing application characteristic, referred to as similarity from fundamental circuit-level understanding of the failure mechanisms...
Large-scale actuator control problems in Cyber-Physical Systems (CPSs) are often expressed within the networked optimization model. While significant advances have taken place in optimization techniques, their widespread adoption in practical implementations is impeded by the complexity of inter-node coordination and lack of programming support that is necessary for sharing information coherently...
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