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Medium access control protocol and resource allocation for passive optical interconnects
KTH, School of Electrical Engineering (EES).ORCID iD: 0000-0002-3401-1125
KTH, School of Information and Communication Technology (ICT), Communication Systems, CoS, Optical Network Laboratory (ON Lab).
2017 (English)In: Journal of Optical Communications and Networking, ISSN 1943-0620, E-ISSN 1943-0639, Vol. 9, no 7, p. 555-562, article id 8000262Article in journal (Refereed) Published
Abstract [en]

Passive optical interconnects (POIs) have recently been considered as a promising solution to offer high bandwidth and low power consumption for data center networks. This paper proposes a medium access control protocol for a POI based on arrayed waveguide gratings (AWGs) to facilitate efficient collision-free communications. In order to efficiently accommodate bursty traffic generated by the servers in the data center, we develop a tailored dynamic bandwidth allocation (DBA) algorithm, which is able to schedule resources in both time and spectrum. In the simulation, not only the impact of DBA algorithm parameters but also the system configurations, such as wavelength tuning time, line rate, and the size of the interconnect, have been investigated. For a typical link utilization on an optical interconnect at the top of the rack, the proposed resource allocation scheme ensures both low latency (<0.1 ms) and a low frame drop ratio (almost zero).

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers Inc. , 2017. Vol. 9, no 7, p. 555-562, article id 8000262
Keywords [en]
Data center networks, Medium access control protocol, Passive optical interconnect, Resource allocation, Access control, Arrayed waveguide gratings, Bandwidth, Frequency allocation, Green computing, Low power electronics, Optical interconnects, Passive optical networks, Waveguides, Dynamic bandwidth allocation, Low-power consumption, Medium access control protocols, Optical interconnect, Resource allocation schemes, System configurations, Wavelength tuning, Medium access control
National Category
Electrical Engineering, Electronic Engineering, Information Engineering
Identifiers
URN: urn:nbn:se:kth:diva-216309DOI: 10.1364/JOCN.9.000555ISI: 000407346700002Scopus ID: 2-s2.0-85029407781OAI: oai:DiVA.org:kth-216309DiVA, id: diva2:1162477
Note

QC 20171204

Available from: 2017-12-04 Created: 2017-12-04 Last updated: 2017-12-04Bibliographically approved

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He, SailingChen, Jiajia

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School of Electrical Engineering (EES)Optical Network Laboratory (ON Lab)
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