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Backup path Reprovisioning and Activation Planning (RAP) scheme is investigated in survivable WDM mesh networks providing shared path protection under scheduled traffic. Results show that over 70% dual-failure restorability benefits are achieved when the RAP is applied. Intelligent optical mesh networks, such as Automatically Switched Optical Networks (ASON), are widely considered to be the direction of infrastructure migration for future backbone networks. This architecture evolution is driven in part by new bandwidth applications, such as scheduled traffic, dynamic traffic, etc.
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