Fault-Tolerant Schemes for Networks-on-Chip
Jian Liu · Microcomputer Information · 2009
A set of fault-tolerant schemes are proposed to solve the faults in the communication of Networks-on-Chip (NoC). When transient fault occurs, an end-to-end retransmission scheme using hardware-base approach is proposed. When permanent fault occurs, fault detection, diagnosis, recovery schemes using hardware-and software-based approaches is proposed. As shown by the simulation, these fault-tolerant schemes could deal with faults roundly. This paper also implements the hardware in the schemes, which composes of the fault-tolerant router and fault-tolerant network interface (NI). In 0.13μm CMOS technique, the area is only 0.12 mm2 and 0.46 mm2, which is only 0.145mm2 extra comparing with the router and NI without fault-tolerant function.