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Journal of Optical Communications and Networking

Journal of Optical Communications and Networking

  • Editors: Keren Bergman and Vincent Chan
  • Vol. 1, Iss. 2 — Jul. 1, 2009
  • pp: A170–A179

Experimental Investigation of Quality of Service in an IP All-Optical Network Adopting Wavelength Conversion

Alessandro Valenti, Sergio Pompei, Luca Rea, Francesco Matera, Giorgio Tosi Beleffi, Franco Curti, Silvia Di Bartolo, Gabriele Incerti, and Davide Forin  »View Author Affiliations


Journal of Optical Communications and Networking, Vol. 1, Issue 2, pp. A170-A179 (2009)
http://dx.doi.org/10.1364/JOCN.1.00A170


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Abstract

We experimentally show how the virtual private large-area network service (VPLS) technique, a layer 2 service, can improve optical network performance in terms of quality of service (QoS), and how a VPLS network behaves when it adopts all-optical wavelength conversion (AOWC), a new optical process that will be introduced in future optical networks. The advantages of VPLS are based on the capability to generate logical reliable paths in each wavelength channel, permitting suitable partitioning of the bandwidth according to the user requirements. In particular, we show the advantages of VPLS in access networks based on passive optical networks, and we test QoS properties of VPLS paths when an AOWC process occurs both in the core and in the access networks. The experimental investigation is carried out in a wide-area, all-optical gigabit Ethernet testbed with an access section based on an Ethernet passive optical network. As far as the core segment is concerned, we chose a high-efficiency AOWC process based on four-wave mixing in dispersion-shifted fiber; conversely in the access segment we chose a cheaper AOWC process based on cross gain modulation in a semiconductor optical amplifier. The reported results show that gigabit Ethernet transmission, with the relative layer 2 techniques, is also well suitable for wide-area WDM architectures, and in particular it is able to guarantee end-to-end QoS for huge bandwidth services such as high-definition TV and also in the case of congestion, restoration, and wavelength conversion processes.

© 2009 Optical Society of America

OCIS Codes
(060.4510) Fiber optics and optical communications : Optical communications
(190.4360) Nonlinear optics : Nonlinear optics, devices
(190.5970) Nonlinear optics : Semiconductor nonlinear optics including MQW
(060.4251) Fiber optics and optical communications : Networks, assignment and routing algorithms
(060.4261) Fiber optics and optical communications : Networks, protection and restoration
(060.4265) Fiber optics and optical communications : Networks, wavelength routing

ToC Category:
Optical Networks for the Future Internet

History
Original Manuscript: November 10, 2008
Revised Manuscript: February 26, 2008
Manuscript Accepted: April 22, 2009
Published: July 1, 2009

Virtual Issues
Optical Networks for the Future Internet (2009) Journal of Optical Networking

Citation
Alessandro Valenti, Sergio Pompei, Luca Rea, Francesco Matera, Giorgio Tosi Beleffi, Franco Curti, Silvia Di Bartolo, Gabriele Incerti, and Davide Forin, "Experimental Investigation of Quality of Service in an IP All-Optical Network Adopting Wavelength Conversion," J. Opt. Commun. Netw. 1, A170-A179 (2009)
http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-1-2-A170


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