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iDEA: Drexel E-repository and Archives > Drexel Academic Community > College of Engineering > Department of Electrical and Computer Engineering > Faculty Research and Publications (ECE) > Path-computation-element-based architecture for interdomain MPLS/GMPLS traffic engineering: overview and performance

Please use this identifier to cite or link to this item: http://hdl.handle.net/1860/2566

Title: Path-computation-element-based architecture for interdomain MPLS/GMPLS traffic engineering: overview and performance
Authors: Dasgupta, Sukrit
de Oliveira, Jaudelice C.
Vasseur, Jean-Philippe
Issue Date: Jul-2007
Publisher: Institute of Electrical and Electronics Engineers (IEEE)
Citation: IEEE Network, 21(4): pp. 38-45.
Abstract: The Path Computation Element Working Group at the Internet Engineering Task Force is chartered to specify a PCE-based architecture for the path computation of interdomain MPLS- and GMPLS-based traffic engineered label switched paths. In this architecture, path computation does not occur at the head-end LSR, but on another path computation entity that may not be physically located on the headend LSR. This method is greatly different from the traditional “per-domain” approach to path computation. This article presents analysis and results that compare performance of the PCE architecture with the current state-of-the-art approach. Detailed simulations are undertaken on varied and realistic scenarios where preliminary results show several performance benefits from the deployment of PCE. To provide a complete overview of significant development taking place in this area, milestones and progress at the IETF PCE WG are also discussed.
URI: http://dx.doi.org/10.1109/MNET.2007.386468
http://hdl.handle.net/1860/2566
Appears in Collections:Faculty Research and Publications (ECE)

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