Abstract
With the explosive growth of the data network, optical-fiber technology employing wavelength-division multiplexing (WDM) [Mukherjee, 1997, Ramaswami and Sivarajan, 1998, Stern and Bala, 1999] has been researched as well as commercially deployed as the technology that can satisfy our increasing bandwidth requirements because of its potentially limitless capabilities, e.g., huge bandwidth and low signal attenuation [Mukherjee, 2000].
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The resources on a backup path can be shared among different connections as long as these connections are not in the same shared-risk group (SRG). Since link failure is the dominant failure scenario and fibers are laid in bundles so that multiple fibers may break when there is a bundle cut, shared-risk link group (SRLG) is a commonly-used method for diversely routing various primary and backup paths of connections [Strand et al., 2001].
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© 2005 Springer Science+Business Media, Inc.
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Ou, C.S., Mukherjee, B. (2005). Introduction. In: Survivable Optical WDM Networks. Optical Networks. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-24499-0_1
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DOI: https://doi.org/10.1007/978-0-387-24499-0_1
Publisher Name: Springer, Boston, MA
Print ISBN: 978-0-387-24498-3
Online ISBN: 978-0-387-24499-0
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