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Routing in All-Optical Label Switched-based Networks with Small Label Spaces

Fernando Solano Donado 1 Joanna Moulierac 2
2 MASCOTTE - Algorithms, simulation, combinatorics and optimization for telecommunications
CRISAM - Inria Sophia Antipolis - Méditerranée , Laboratoire I3S - COMRED - COMmunications, Réseaux, systèmes Embarqués et Distribués
Abstract : With the development of All-Optical Label Switching (AOLS) network, nodes are capable of forwarding labeled packets without performing Optical-Electrical-Optical (OEO) conversions, speeding up the forwarding. However, this new technology also brings new constraints and, consequently, new problems have to be adressed. We study in this paper the problem of routing a set of demands in such a network, considering that routers have limited label space, preventing from the usage of label swapping techniques. Label stripping is a solution that ensures forwarding, concerning these constraints, of all the paths at expenses of increasing the stack size and wasting bandwith. We propose an intermediate feasible solution that keeps the GMPLS stack size smaller than label stripping, in order to gain bandwidth resources. After proposing an heuristic for this problem, we present simulations that show the performance of our solution.
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https://hal.inria.fr/inria-00425298
Contributor : Joanna Moulierac <>
Submitted on : Thursday, October 29, 2009 - 11:14:12 AM
Last modification on : Monday, October 12, 2020 - 10:30:12 AM
Long-term archiving on: : Tuesday, October 16, 2012 - 12:30:59 PM

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Fernando Solano Donado, Joanna Moulierac. Routing in All-Optical Label Switched-based Networks with Small Label Spaces. IFIP/IEEE ONDM, Institut für Datentechnik und Kommunikationsnetze (IDA) Technische Universität Carolo-Wilhelmina zu Braunschweig, Feb 2009, Braunschweig, Germany. ⟨inria-00425298⟩

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