Reliability and performance analysis of new fault tolerant irregular network

  • Authors:
  • Rith Mahajan;Renu Vig

  • Affiliations:
  • Department of Electronics and Electrical Communication, Punjab Engineering College, Chandigarh, India;Department of Electronics, UIET, Panjab University, Chandigarh, India

  • Venue:
  • WSEAS Transactions on Computer Research
  • Year:
  • 2008

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Abstract

A lot of work and analysis has been done on regular fault-tolerant MINs but irregular MINS have the inherent concept of favorite memory module offering lower latency. The multipath nature of these networks provides a non-blocking operation. This work introduces a new network, named as MFT-2 network, which contributes fault-tolerance by providing dynamic full-access capability in the presence of faults. MFT-2 network is improvement on irregular Four Tree network (FT). In case of any fault the system is reconfigured which operates in a degraded mode owing to the increased latency. But this approach minimizes the overheads of providing fault-tolerance, both in terms of cost and performance, during normal operation of the system. Irregular nature of these networks has reduced latency, improved dynamic fault-tolerant routing, high reliability and performance. The probabilistic approach is used to analyze the MINs based on independent request assumptions.