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Flexible Architecture and Autonomous Control Plane for Metro-Scale Geographically Distributed Data Centers
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0002-5318-2050
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).ORCID iD: 0000-0001-6704-6554
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2017 (English)In: Journal of Lightwave Technology, ISSN 0733-8724, E-ISSN 1558-2213, Vol. 35, no 6, 1188-1196 p.Article in journal (Refereed) Published
Abstract [en]

Enterprises and cloud providers are moving away from deployment of large-scale data centers and towards smallto mid-sized data centers because of their lower implementation and maintenance costs. An optical metro network is used to provide connectivity among these data centers. The optical network requires flexibility on bandwidth allocation and various levels of Quality of Service to support the new emerging applications and services including the ones enabled by 5G. As a result, next generation optical metro networks face complex control and management issues that needs to be resolved with automation. We present a converged inter/intra data center network architecture with an autonomous control plane for flexible bandwidth allocation. The architecture supports both single-rate and multi-rate data planes with two types of physical layer connections (Background and Dynamic) that provide connections with strict bandwidth and latency requirements. We demonstrate autonomous bandwidth steering between two data centers on our prototype. Leveraging a simulation platform, we show up to 5x lower transmission times and 25% less spectrum usage compared with the single-rate conventional non-converged networks. This is a significant improvement in the data center network performance and energy efficiency.

Place, publisher, year, edition, pages
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC , 2017. Vol. 35, no 6, 1188-1196 p.
Keyword [en]
Autonomous control plane, data center networks, networks, network provisioning strategy, optical communication, optical metro networks, quality of service (QoS), software-defined networking (SDN), traffic monitoring
National Category
Computer and Information Science
Identifiers
URN: urn:nbn:se:kth:diva-206703DOI: 10.1109/JLT.2017.2652480ISI: 000399388500006OAI: oai:DiVA.org:kth-206703DiVA: diva2:1094020
Note

QC 20170509

Available from: 2017-05-09 Created: 2017-05-09 Last updated: 2017-05-09Bibliographically approved

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Fiorani, MatteoWosinska, Lena
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