Author:
Rambo Eberle A.,Ernst Rolf
Abstract
AbstractThe ASTEROID project developed a cross-layer fault-tolerance solution to provide reliable software execution on unreliable hardware under soft errors. The approach is based on replicated software execution with hardware support for error detection that exploits future many-core platforms to increase reliability without resorting to redundancy in hardware. This chapter gives an overview of ASTEROID and then focuses on the performance of replicated execution and the proposed replica-aware co-scheduling for mixed-criticality. The performance of systems with replicated execution strongly depends on the scheduling. Standard schedulers, such as Partitioned Strict Priority Preemptive (SPP) and Time-Division Multiplexing (TDM)-based ones, although widely employed, provide poor performance in face of replicated execution. By exploiting co-scheduling, the replica-aware co-scheduling is able to achieve superior performance.
Publisher
Springer International Publishing
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