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Sun, P. (author), He, Z. (author), Kooij, Robert (author), Van Mieghem, P.F.A. (author)Optical networks are vulnerable to failures due to targeted attacks or large-scale disasters. The recoverability of optical networks refers to the ability of an optical network to return to a desired performance level after suffering topological perturbations such as link failures. This paper proposes a general topological approach and...journal article 2021