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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
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| 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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