Failure Presumed Protection (FPP): Optical Recovery with Approximate Failure Localization

  • János Tapolcai
Conference paper
Part of the Lecture Notes of the Institute for Computer Sciences, Social Informatics and Telecommunications Engineering book series (LNICST, volume 66)


This paper investigates failure recovery mechanisms for optical network with a very high reliability requirement, where a novel framework of network failure recovery, called Failure Presumed Protection (FPP), is proposed. Our scheme aims to perform 100% failure restoration using only an approximate location of the failed links identified from the connection status information available at each network node.


In-Band Failure Localization Failure Dependent Protection Restoration Shared Protection Shared Risk Link Group 


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Copyright information

© ICST Institute for Computer Science, Social Informatics and Telecommunications Engineering 2012

Authors and Affiliations

  • János Tapolcai
    • 1
  1. 1.Dept. of Telecommunications and Media InformaticsBudapest University of Technology and EconomicsHungary

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