NARCO: Neighbor Aware Turn Model-Based Fault Tolerant Routing for NoCs

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Provided by: Institute of Electrical & Electronic Engineers
Topic: Hardware
Format: PDF
Network-on-Chip (NoC) communication architectures are increasingly being used today to interconnect cores on-Chip Multi-Processor (CMP) based embedded systems. Permanent faults in NoCs due to fabrication challenges in sub-65 nm CMOS technologies and due to wearout underscore the need for fault tolerant design. In this paper, the authors propose a novel low-overhead neighbor aware, turn model based fault tolerant routing scheme for NoCs which combines threshold-based replication in network interfaces, a parameterizable region-based neighbor awareness in routers, and the odd - even and inverted odd - even turn models.
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