Survivable Optical WDM Networks investigates different approaches for designing and operating an optical network with the objectives that (1) more connections can be carried by a given network, leading to more revenue, and (2) connections can recover faster in case of failures, leading to better services. Different networks – wavelength-routed WDM networks, wavelength-routed WDM networks with sub-wavelength granularity grooming, and data over next-generation SONET/SDH over WDM networks – are covered. Different approaches are proposed to explore every aspect of a protection scheme such as: (1) Protection granularity: a. At wavelength granularity. b. At sub-wavelength granularity (2) Protection entity: a. Path protection. b. Sub-path protection. c. Segment protection. (3) Routing: a. Single-path routing. b. Multi-path routing. Tradeoffs between different objectives, e.g., resource efficiency vs. recovery time, are explored and practical approaches are proposed and analyzed.
Survivable Optical WDM Networks investigates different approaches for designing and operating an optical network with the objectives that (1) more connections can be carried by a given network, leading to more revenue, and (2) connections can recover faster in case of failures, leading to better services. Different networks – wavelength-routed WDM networks, wavelength-routed WDM networks with sub-wavelength granularity grooming, and data over next-generation SONET/SDH over WDM networks – are covered. Different approaches are proposed to explore every aspect of a protection scheme such as: (1) Protection granularity: a. At wavelength granularity. b. At sub-wavelength granularity (2) Protection entity: a. Path protection. b. Sub-path protection. c. Segment protection. (3) Routing: a. Single-path routing. b. Multi-path routing. Tradeoffs between different objectives, e.g., resource efficiency vs. recovery time, are explored and practical approaches are proposed and analyzed.
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