2012 14th International Conference on Transparent Optical Networks (ICTON) 2012
DOI: 10.1109/icton.2012.6254416
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PCE QoS tools and related scalability in WDM networks

Abstract: The virtual circuit characteristic of MPLS and GMPLS architectures has enabled the implement of Traffic Engineering (TE) and Differentiated Services (Diff-Serv) profile to networks. Both schemes are possible by the application of preemption policies and priority of path assignment. With the advent of Path Computation Element (PCE) the routing task can be centralized and properly (re-)designed to accommodate MPLS' and GMPLS' Diff-Serv and TE characteristics. However, as a centralized system, the complex charact… Show more

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Cited by 3 publications
(6 citation statements)
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“…We implemented WDM network simulations as described in [64], where we tested different values for the Priority field as described in…”
Section: Results and Analysismentioning
confidence: 99%
See 2 more Smart Citations
“…We implemented WDM network simulations as described in [64], where we tested different values for the Priority field as described in…”
Section: Results and Analysismentioning
confidence: 99%
“…In [64] we have studied and analyzed the priority field described in [65] for the Path Computation Element (PCE) [66]. The PCE centralizes the route and resource assignment tasks in a network.…”
Section: Differentiated Service Strategies For Wsonsmentioning
confidence: 99%
See 1 more Smart Citation
“…In [65] we have studied and analyzed the priority field described in [66] for the Path Computation Element (PCE) [67]. The PCE centralizes the route and resource assignment tasks in a network.…”
Section: Differentiated Service Strategies For Wsonsmentioning
confidence: 99%
“…When the priority field is enabled in the network the PCE will first compute lightpaths for higher priority requests and then to lower priority requests. In [65] we tested priority fields with values relating to the set up and holding priority values described by [54] and explained in Subsection 3.1.1. We observed, via network simulations results, that some priority field values tend to favor service to higher priority connections and other values tend to increase the total number of connections established.…”
Section: Differentiated Service Strategies For Wsonsmentioning
confidence: 99%