Conference Paper

An educational RWA network planning tool for dynamic flows

Univ. Politec. de Cartagena, Cartagena
DOI: 10.1109/ONDM.2008.4578387 Conference: Optical Network Design and Modeling, 2008. ONDM 2008. International Conference on
Source: OAI

ABSTRACT This paper presents the Dyn-MatPlanWDM tool, an educational network planning tool for wavelength-routing WDM networks. The tool considers the on-line or dynamic network operation. Traffic is composed of higher level traffic connections. The planning algorithms dynamically decide on the virtual topology design and the routing of the flows on top of it. The input parameters to the planning problem are the network physical topology, technological constraints like the number of transmitters, receivers, optical converters, the generator module and the planning module to test. The tool is implemented as a MATLAB toolbox. The set of generators and planning modules included can be easily extended. In particular, a set of libraries are provided to ease the composition of new heuristic algorithms. A graphical user interface is supplied which aids the user to test and trace the network evolution. The GUI is designed to support an educational use of the tool.

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    ABSTRACT: Several computer tools addressing the routing and wavelength assignment (RWA) problem are available today within the research community. However, these tools have low flexibility and are difficult to use for remote or casual users. This paper shows how to allow a remote access to various existing RWA tools using Web services. In this way, software components implementing routing and/or wavelength assignment are turned into Web services made available over the Internet and accessible through a simplified interface. This dispenses the user to perform a local implementation, allows better code reuse, and offers an easy way to confront results from distinct models. Moreover, making tools available on the Web increases their credibility and visibility. In our approach, a multilayer network description (MND) format is used to describe both input data and computed results. It offers common basic structure while guaranteeing a large extensibility, and thus makes possible the interaction between various tools. The viability of this approach is illustrated through an example of implementation.
    Optical Network Design and Modeling, 2008. ONDM 2008. International Conference on; 04/2008

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