Reliability assessment of optical p-cycles

  • Authors:
  • Piotr Chołda;Andrzej Jajszczyk

  • Affiliations:
  • Department of Telecommunications, AGH University of Science and Technology, Krakow, Poland;Department of Telecommunications, AGH University of Science and Technology, Krakow, Poland

  • Venue:
  • IEEE/ACM Transactions on Networking (TON)
  • Year:
  • 2007

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Abstract

Two recovery techniques suited for the Next Generation Internet are studied: traditional protection rings (BLSRs) and a novel, preconfigured protection cycles (p-cycles) technique. Theoretical formulas describing the reliability function as well as Mean Time to Failure are derived. On the basis of our analysis, we show that p-cycles should not be used in wide-area networks since their reliability performance is outside the desired bounds.