Journal ArticleDOI
Cost modeling and evaluation of capital expenditures in optical multilayer networks
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TLDR
In this paper, a realistic cost model for Internet protocol/multiprotocol label switching (IP/MPLS), carrier-grade Ethernet, synchronous digital hierarchy/optical transport network (SDH/OTN), and WDM equipment from which overall capital expenditures can consistently be derived is contributed and discussed.Abstract:
Optical multilayer networks offer a high degree of freedom in network design, adapting to actual network requirements (demand types, topologies, etc.) and achieving cost-efficient realizations. Capital expenditures are one of the key differentiators for the evaluation of multilayer networks. A realistic cost model for Internet protocol/multiprotocol label switching (IP/MPLS), carrier-grade Ethernet, synchronous digital hierarchy/optical transport network (SDH/OTN), and WDM equipment from which overall capital expenditures can consistently be derived is contributed and discussed. A comprehensive collection of detailed cost values for different equipment types is presented. Furthermore, the cost model is applied to two case studies, one IP/MPLS-over-WDM study and one WDM study with two topologies, showing substitution effects of network elements to achieve overall capital expenditure minimization.read more
Citations
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Journal IssueDOI
SNDlib 1.0—Survivable Network Design Library
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Journal ArticleDOI
Power consumption modeling in optical multilayer networks
Ward Van Heddeghem,Filip Idzikowski,Willem Vereecken,Didier Colle,Mario Pickavet,Piet Demeester +5 more
TL;DR: This work proposes reference power consumption values for Internet protocol/multiprotocol label switching, Ethernet, optical transport networking and wavelength division multiplexing equipment and presents a simplified analytical power consumption model that can be used for large networks where simulation is computationally expensive or unfeasible.
Proceedings ArticleDOI
Saving energy in IP-over-WDM networks by switching off line cards in low-demand scenarios
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Journal ArticleDOI
A multilayer cost model for metro/core networks
Franz Rambach,B. Konrad,Lars Dembeck,Ulrich Gebhard,Matthias Gunkel,Marco Quagliotti,Laura Serra,Victor Lopez +7 more
TL;DR: In this article, a detailed capital expenditure model developed by researchers from system vendors and network operators is introduced to evaluate multilayer (ML) metro and core network architectures based on the Internet protocol/multiprotocol label switching (IP/MPLS), MPLS-transport profile, optical transport network and WDM technology.
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On the Design of Energy-Efficient Mixed-Line-Rate (MLR) Optical Networks
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