Transport Networks at a Crossroads: The roles of MPLS and OTN in packet transport networks

Belotti, Pietro; Kompella, Kireeti; Ceuppens, Luc; Noronha, Lloyd

doi:10.1364/ofc.2011.otug1

Optical Fiber Communication Conference/National Fiber Optic Engineers Conference 2011 2011

DOI: 10.1364/ofc.2011.otug1

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Transport Networks at a Crossroads: The roles of MPLS and OTN in packet transport networks

Pietro Belotti

Kireeti Kompella

Luc Ceuppens

et al.

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“…[13] as being non-smooth. This was brought to the authors notice individually by both Belotti [8] and Leyffer [27]. The right and left first derivatives of the function sgn(I e )φ re (|I e |) are: which clearly converge to the same value in the limit.…”

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confidence: 85%

Global Optimization of Nonlinear Network Design

Raghunathan¹

2013

SIAM J. Optim.

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A novel approach for obtaining globally optimal solutions to design of networks with nonlinear resistances and potential driven flows is proposed. The approach is applicable to networks where the potential loss on an edge in the network is governed by a convex and strictly monotonically increasing function of flow rate. We introduce a relaxation of the potential loss constraint and formulate the design problem as a mixed-integer nonlinear program (MINLP). A linearization-based approach with tailored cuts is proposed that improves the computational efficiency over a standard implementation. We have also implemented a simple heuristic approach for finding feasible solutions at the root node and during the search process. The algorithm has been implemented with IBM-ILOG CPLEX and is shown to be computationally effective on a number of examples from literature.

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confidence: 85%

Global Optimization of Nonlinear Network Design

Raghunathan¹

2013

SIAM J. Optim.

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Future research directions in design of reliable communication systems

et al. 2015

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In this position paper on reliable networks, we discuss new trends in the design of reliable communication systems. We focus on a wide range of research directions including protection against software failures as well as failures of communication systems equipment. In particular, we outline future research trends in software failure mitigation, reliability of wireless communications, robust optimization and network design, multilevel and multirealm network resilience, multiple criteria routing approaches in multilayer networks, resilience options of the fixed IP backbone network in the interplay with the optical layer survivability, reliability of cloud computing networks, and

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Transport Networks at a Crossroads: The roles of MPLS and OTN in packet transport networks

Cited by 2 publications

References 1 publication

Global Optimization of Nonlinear Network Design

Global Optimization of Nonlinear Network Design

Future research directions in design of reliable communication systems

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