Traffic Engineering and Restoration in Optical Packet Switching Networks by means of Ant Colony Optimization

Pavani, Gustavo Sousa; Waldman, Hélio

doi:10.1109/broadnets.2006.4374329

Cited by 21 publications

(16 citation statements)

References 15 publications

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“…We rely our article for the architecture presented in [13,14]. We consider a general switching matrix with an arbitrary number of input and output fibers, carrying W wavelengths each.…”

Section: Effect Of Self-similarity On the Optical Buffermentioning

confidence: 99%

Addressing self-similarity in optical switching networks by means of ant colony optimization

Pavani

Waldman

2007

Photon Netw Commun

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In this work, we propose the use of an Ant Colony Optimization (ACO) algorithm to mitigate packet loss in an optical packet switching network that carries selfsimilar traffic, which is known to have a great impact in the buffer performance in terms of loss probability as exemplified in this work. By adaptively routing the packets and balancing the network load, we demonstrate by some simulations the effectiveness of this approach when compared with a shortest-path routing scheme, achieving a performance that is comparable to the Poisson traffic scenario in some cases. The proposed algorithm can be used as a viable alternative to traffic shaping techniques.

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“…We rely our article for the architecture presented in [13,14]. We consider a general switching matrix with an arbitrary number of input and output fibers, carrying W wavelengths each.…”

Section: Effect Of Self-similarity On the Optical Buffermentioning

confidence: 99%

Addressing self-similarity in optical switching networks by means of ant colony optimization

Pavani

Waldman

2007

Photon Netw Commun

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“…Previous work demonstrated how AntNet can be used in WavelengthRouted Optical Networks (WRON) [20] and Optical Packet-Switching (OPS) networks [27].…”

Section: Ant Colony Optimization (Aco)mentioning

confidence: 99%

Distributed approaches for impairment-aware routing and wavelength assignment algorithms in GMPLS networks

et al. 2008

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“…In fact, ant-like algorithms had already been successfully applied in protection schemes for wavelength-routed optical networks (WRON) [5] and restoration schemes for connection-less optical packet switching (OPS) networks [6], but never for restoration in WRON.…”

Section: Introductionmentioning

confidence: 99%

Restoration in wavelength-routed optical networks by means of ant colony optimization

Pavani

Waldman

2008

Photon Netw Commun

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Because of the distributed control of the network, the dynamic nature of the traffic and the unpredictability of a failure event, the flexibility and robustness of ant colony optimization (ACO) make it a suitable candidate for provisioning lightpaths in an optical network. In this work, we propose a fault-tolerant dynamic routing and wavelength assignment (RWA) algorithm based on the ACO framework, presenting its integration into the Generalized multi-protocol label switching (GMPLS) control plane. By simulating two different scenarios, we demonstrate the effectiveness of this algorithm when a single link or node failure occurs.

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Traffic Engineering and Restoration in Optical Packet Switching Networks by means of Ant Colony Optimization

Cited by 21 publications

References 15 publications

Addressing self-similarity in optical switching networks by means of ant colony optimization

Addressing self-similarity in optical switching networks by means of ant colony optimization

Distributed approaches for impairment-aware routing and wavelength assignment algorithms in GMPLS networks

Restoration in wavelength-routed optical networks by means of ant colony optimization

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