Uso do LMP para descoberta automática e gerenciamento de enlaces em redes OTN
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Data
2011-09-06
Autores
Ferrari, Fabbiano Fiorin
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Universidade Federal do Espírito Santo
Resumo
In order to meet the growing demand for telecommunications services, with applications increasingly demanding of core networks, the Optical Transport Networks (OTN), based on Wavelength-Division Multiplexing (WDM) and in Synchronous Optical Network/Synchronous Digital Hierarchy (SONET/SDH), appear to provide more efficient optical transport services. The OTN has been consolidating as a new generation of optical networks and the ITU-T (International Telecommunication Union – Telecommunication Section) provides standardization for equipment manufacturers and transport network solutions. Once these new networking technologies offer greater possibilities of traffic, protection, restoration, switching and quality of service for multiple clients, there is an increase of network and management complexity. In this context, in order to improve the management of these networks, the automation of their functions is desired. This dissertation proposes an architecture for the management plane of OTN to achieve the integration of management features and the transport plane. Mechanisms are developed for the automatic discovery of network topology and resources, based on the procedures described at ITU-T Recommendation G.7714 and IETF RFC4204 (LMP - Link Management Protocol). The architecture and the procedures implemented are validated by simulation, using OMNeT++, where an OTN simulation framework is being developed by the Telecommunications Laboratory (LabTel) research group at UFES, in order to analyze, test and validate behavior and features of OTN networks.
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OTN , G.7714 , LMP , OMNeT++ , Simulação , Simulation , Redes ópticas de transporte