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Reliability Assessment of Optical p-Cycles

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2 Author(s)
Piotr Cholda ; Department of Telecommunications, AGH University of Science and Technology, 30-059 Krakow, Poland ; Andrzej Jajszczyk

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.

Published in:

IEEE/ACM Transactions on Networking  (Volume:15 ,  Issue: 6 )