2011 13th International Conference on Transparent Optical Networks 2011
DOI: 10.1109/icton.2011.5970777
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PCE algorithm for traffic grooming and QoS in multi-layer/multi-domain IP over WDM networks

Abstract: 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, t… Show more

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Cited by 6 publications
(3 citation statements)
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“…The need of differentiating the network traffic depending on application requirements has been referred in literature to as application-centric (or application-aware, or, more broadly, QoS-aware) networking [10] [11]. The SDN paradigm has been identified as a key enabler for application-centric networking and for a more comprehensive service differentiation depending on application requirements [12]- [15].…”
Section: A Application-centric Networking and Orchestrationmentioning
confidence: 99%
“…The need of differentiating the network traffic depending on application requirements has been referred in literature to as application-centric (or application-aware, or, more broadly, QoS-aware) networking [10] [11]. The SDN paradigm has been identified as a key enabler for application-centric networking and for a more comprehensive service differentiation depending on application requirements [12]- [15].…”
Section: A Application-centric Networking and Orchestrationmentioning
confidence: 99%
“…The differentiated distribution of resources offline mechanism proposed in [68] and explained in Chapter 4, and the dynamic mechanism explained in Chapter 4 are based on the under-provisioning proposed in [58] and [57] and on the constrained distribution of resources described in [54]. However both mechanism are adapted to be implemented in WSONs.…”
Section: Differentiated Service Strategies For Wsonsmentioning
confidence: 99%
“…In order to implement an initial analysis on the RDM mechanism performance the proposed RDM mechanism is implemented in an offline scenario where the demand matrix is known in advance and resources are allocated in a planning phase [68]. The problem is formulated as a mixed integer linear programming (MILP) problem.…”
Section: Offline Differentiated Service For Wdm Networkmentioning
confidence: 99%