Fault-tolerant architecture and deflection routing for degradable NoC switches
NOCS '09 Proceedings of the 2009 3rd ACM/IEEE International Symposium on Networks-on-Chip
Diagnosis of interconnect shorts in mesh NoCs
NOCS '09 Proceedings of the 2009 3rd ACM/IEEE International Symposium on Networks-on-Chip
Fault tolerant network on chip switching with graceful performance degradation
IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems - Special issue on the 2009 ACM/IEEE international symposium on networks-on-chip
Improving the yield of NoC-based systems through fault diagnosis and adaptive routing
Journal of Parallel and Distributed Computing
Structural Test and Diagnosis for Graceful Degradation of NoC Switches
Journal of Electronic Testing: Theory and Applications
Methods for fault tolerance in networks-on-chip
ACM Computing Surveys (CSUR)
uDIREC: unified diagnosis and reconfiguration for frugal bypass of NoC faults
Proceedings of the 46th Annual IEEE/ACM International Symposium on Microarchitecture
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The paper proposes a new concept of diagnosing faulty links in Network-on-a-Chip (NoC) designs. The method is based on functional fault models and it implements packet address driven test configurations. As previous works have shown, such configurations can be applied for achieving near-100 per cent structural fault coverage for the network switches. The main novel contribution of this paper is to extend the use of test configurations for diagnosis purposes and to propose a method for locating faults in the NoC interconnection infrastructure. Additionally, a new concept of functional switch faults, called link faults, is introduced. The approach is well scalable (complexity is square root of the number of switches) and it is capable of unambigously pinpointing the faulty links inside the switching network.