Abstract
Fast and resource optimized lightpath restoration strategies are urgent requirements for the near future Optical Transport Networks (OTN) with a Generalized Multi-Protocol Label Switching (GMPLS) control plane. In this paper, we propose a lightpath selection scheme with Shared Risk Link Group (SRLG) constraints that guarantees fast and load balanced recovery of lightpaths in GMPLS-centric all optical networks. To this, we propose a lightpath allocation and recovery strategy called “Enhanced Reverse Shared Risk Link Group (E-RSRLG)” and demonstrate how this concept can be applied to minimize recovery blocking probability and network convergence time. A 32-node network topology has been set up in OPNETTM to analyze the effects of E-RSRLG handling in terms of two performance factors: the number of recovery contention and the number of extra hops.
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© 2004 Springer-Verlag Berlin Heidelberg
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Kim, H., Ahn, S., Chung, J. (2004). Dynamic Traffic Grooming and Load Balancing for GMPLS-Centric All Optical Networks. In: Negoita, M.G., Howlett, R.J., Jain, L.C. (eds) Knowledge-Based Intelligent Information and Engineering Systems. KES 2004. Lecture Notes in Computer Science(), vol 3215. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-30134-9_6
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DOI: https://doi.org/10.1007/978-3-540-30134-9_6
Publisher Name: Springer, Berlin, Heidelberg
Print ISBN: 978-3-540-23205-6
Online ISBN: 978-3-540-30134-9
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