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Design and Implementation of Dynamic Reliable Virtual Channel for Network-on-Chip

  • Peng Wu
  • Yuzhuo Fu
  • Jiang Jiang
Part of the Communications in Computer and Information Science book series (CCIS, volume 337)

Abstract

Reliability issue such as soft error due to scaling IC technology, low voltage supply and heavy thermal effects, has caused fault tolerant design be a challenge for NoC(Network-on-Chip). The router is a core element of the NoC, and the virtual channel based on flip-flop which occupies most of the area is the most sensitive element to soft error of the router. Focus on this problem, a dynamic reliable virtual channel architecture is proposed in this paper. It can detect the utilization of the virtual channel to adjust physical configuration to support for no-protection, dual redundancy and TMR (triple modular redundancy) requirements in flexibility. Compared with typical TMR virtual channel design, the synthesis results show that our method can achieve several fault tolerant structures switch with near 3 times resource utilization in ideal case and only 13.8% extra area cost.

Keywords

NoC reliable virtual channel dynamic structure 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2013

Authors and Affiliations

  • Peng Wu
    • 1
  • Yuzhuo Fu
    • 1
  • Jiang Jiang
    • 1
  1. 1.The School of Micro ElectronicsShanghai Jiao Tong UniversityShanghaiChina

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