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An Optimal Model for LSP Bundle Provisioning in PCE-based WDM Networks
Fiber optics and optical communications Networks
2015/5/21
A time-efficient resource optimization model for dynamic concurrent provisioning of connection requests at PCE is proposed. It is shown that a significant performance improvement can be achieved witho...
Hierarchical PCE in GMPLS-based Multi-Domain Wavelength Switched Optical Networks
GMPLS-based Hierarchical PCE Wavelength Switched Optical Networks
2015/5/18
Hierarchical PCE is evaluated in GMPLS-based multi-domain WSONs. Simulations show that PCE providing edge nodes sequence using detailed information of inter-domain links achieves the best performance ...
Photonic Network Optimization via Resource and LSPs Concurrent Allocation: a PCE+ Concept
Fiber optics optical communications Networks circuit-switched
2015/6/5
This paper proposes the concept of PCE+:a path computation element that performs a concurrent impairments aware routing and regenerator location for a WSON network using a fast analytical assessment o...
Routing and Wavelength Assignment in PCE-based Wavelength Switched Optical Networks
Routing Wavelength Assignment PCE Switched Optical Networks
2015/8/3
Implementations of three PCE-based WSON architectures are proposed. If the PCE performs wavelength assignment utilizing a path set precomputed at ingress nodes, complexity is effectively traded off wi...