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Cluster Based Networks-on-Chip: An Efficient and Fault-Tolerant Architecture using Network Interface Assisted Routing

Khalid Latif, Amir-Mohammad Rahmani, Tiberiu Seceleanu, Hannu Tenhunen, Cluster Based Networks-on-Chip: An Efficient and Fault-Tolerant Architecture using Network Interface Assisted Routing. International Journal of Adaptive, Resilient and Autonomic Systems 4(3), 25–41, 2013.

http://dx.doi.org/10.4018/jaras.2013070102

Abstract:

Partial Virtual channel Sharing (PVS) architecture has been proposed to enhance the performance of Networks-on-Chip (NoC) based systems. In this paper, the authors present an efficient and reliable Network Interface (NI) assisted routing strategy for NoC using PVS architecture. For this purpose, NoC system is divided into clusters. Each cluster is a group of two nodes comprising Processing Elements (PE), switches, links, etc. Each PE in a cluster can inject data to the network through a router, which is closer to the destination. This helps to reduce the network load by reducing the average hop count of the network. The proposed architecture can recover the PE disconnected from the network due to network level faults by allowing the PE to transmit and receive the packets through the other router in the cluster. 5x6 crossbar is used for the proposed architecture which requires one more 5x1 multiplexer without increasing the critical path delay of the router as compared to the 5×5 crossbar. The proposed router has been simulated for uniform, transpose and negative exponential distribution (NED) traffic patterns. The simulation results show the significant reduction in average packet latency at the expense of negligible area overhead.

BibTeX entry:

@ARTICLE{jLaRaSeTe13a,
  title = {Cluster Based Networks-on-Chip: An Efficient and Fault-Tolerant Architecture using Network Interface Assisted Routing},
  author = {Latif, Khalid and Rahmani, Amir-Mohammad and Seceleanu, Tiberiu and Tenhunen, Hannu},
  journal = {International Journal of Adaptive, Resilient and Autonomic Systems},
  volume = {4},
  number = {3},
  publisher = {IGI-Global},
  pages = {25–41},
  year = {2013},
}

Belongs to TUCS Research Unit(s): Communication Systems (ComSys), Embedded Computer and Electronic Systems (ECES)

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