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Title:
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PCE algorithm for traffic grooming and QoS in multi-layer/multi-domain IP over WDM networks
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Author:
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Sócrates Dantas, Joana; Careglio, Davide; Melo Silveira, Regina; Vicente Ruggiero, Wilson; Solé Pareta, Josep
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Other authors:
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Universitat Politècnica de Catalunya. Departament d'Arquitectura de Computadors; Universitat Politècnica de Catalunya. CBA - Sistemes de Comunicacions i Arquitectures de Banda Ampla |
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Abstract:
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Differentiated services provision according to clients or applications is an added feature that network operators ambition to fully provide. One of the possible approaches is to map DiffServ into MPLS based network. However in an IP over WDM (Wavelength Division Multiplexing) network data flow traverse multiple layers and, therefore, Class-Type information from the MPLS DiffServ layer is eventually lost. Besides, with the implement of a Path Computation Element (PCE) on multi-layer and multi-domain networks, the bandwidth
constraints used to differentiate services are no longer applied. This paper presents a proposal for a QoS DiffServ approach applied on PCE as a traffic grooming technique for WDM core networks and the problematic involved on the application of this technology on multilayer and multi-domain networks. |
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Subject(s):
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-Àrees temàtiques de la UPC::Enginyeria de la telecomunicació::Telemàtica i xarxes d'ordinadors
-Computer networks -- Quality control
-Telecommunication -- Traffic -- Management
-IP over WDM networks
-Path computation element (PCE)
-Traffic grooming
-Quality-of-service (QoS)
-Ordinadors, Xarxes d' -- Control de qualitat
-Telecomunicació -- Tràfic -- Gestió |
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Rights:
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Document type:
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Article - Published version
Conference Object |
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Published by:
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IEEE
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