engleski

Resilience of Optical Networks Based on Architecture on Demand Nodes

Due to the high data rates, optical networks need to be highly resilient in order to minimize transmission interruptions and data losses resulting from failures. Optical nodes implemented by Architecture on Demand (AoD), which comprise an optical backplane hosting optical modules (e.g. optical splitters, amplifiers, bandwidth-variable wavelength-selective switches, etc.), represent a very promising technology for realizing highly flexible and reliable optical networks. AoD improves connection availability by enabling bypass of unneeded components and supporting self- healing of component failures at the node level. We analyze the impact of AoD to network resilience and propose further improvements through tailored survivable lightpath routing.

availability; failure survivability; dedicated path protection; fibre switching

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