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- W1759435129 abstract "Summary form only given, as follows. We demonstrate the power of reconfigurable computing in enabling cost-effective implementations of dependable systems. New concurrent error detection techniques based on practical implementations of design diversity are presented Field reconfigurability of reconfigurable hardware is utilized to design self-healing systems capable of autonomous recovery and repair from temporary errors and permanent faults. The applicability of these techniques are demonstrated through implementations on commercial reconfigurable hardware platforms. An error detection scheme based on diverse duplication compares the outputs of two different implementations of the same function and indicates error when a mismatch occurs. The idea of such a technique is derived from the general concept of design diversity. The conventional notion of design diversity is qualitative and relies on independent generation of different implementations. A metric to quantify design diversity is presented along with synthesis algorithms to efficiently design systems with error detection based on diverse duplication. In traditional dependable systems using hardware redundancy, fault tolerance is realized by detecting errors and locating the faulty chip or faulty board (Field Replaceable Unit or FRU) to be replaced by field service engineers. For systems designed using reconfigurable hardware, the FRU is very fined-grained such as a logic block or a routing resources (e.g., a pass-transistor based switch or a logic lookup table in Field Programmable Gate Arrays). Thus, in the case of a permanent fault, a cost-effective repair scheme is obtained using an alternative configuration in which the faulty parts are replaced with originally unused resources. A new self-repairing reconfigurable computing architecture based on dual FPGAs with embedded soft micro-controllers is presented This architecture allows the implemented system to recover from temporary errors and repair itself from permanent faults with minimum impact on system performance while ensuring very high data integrity and availability without external intervention. These capabilities make this architecture useful for a variety of dependable applications including unmanned remote applications such as deep space exploration." @default.
- W1759435129 created "2016-06-24" @default.
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- W1759435129 date "2003-06-25" @default.
- W1759435129 modified "2023-09-27" @default.
- W1759435129 title "Dependable reconfigurable computing design diversity and self repair" @default.
- W1759435129 doi "https://doi.org/10.1109/eh.2002.1029857" @default.
- W1759435129 hasPublicationYear "2003" @default.
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