Survivable IP topology design with re-use of backup wavelength capacity

  title={Survivable IP topology design with re-use of backup wavelength capacity},
  author={Chaitanya S. K. Vadrevu and Massimo Tornatore},
  journal={2009 IEEE 3rd International Symposium on Advanced Networks and Telecommunication Systems (ANTS)},
In IP-over-WDM networks, wavelength circuits are often protected by dedicated backup circuits. Especially with future deployment of 100G transmission systems, there will be huge under-utilization of backup resources. Network utilization can be boosted by loaning the idle backup circuits to preemptible IP/packet services. In the event of a failure, IP traffic can be pre-empted and wavelength backup can be restored. To reroute the pre-empted IP traffic, the IP topology must remain connected. In… CONTINUE READING


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