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Electronics 2015, 4(4), 909-921; doi:10.3390/electronics4040909

Software-Controlled Next Generation Optical Circuit Switching for HPC and Cloud Computing Datacenters

1
The RINCE Institute, Dublin City University, Glasnevin, Dublin 9, Ireland
2
IBM Research, Dublin 15, Ireland
These authors contributed equally to this work.
*
Author to whom correspondence should be addressed.
Academic Editor: Lei Liu
Received: 18 September 2015 / Revised: 30 October 2015 / Accepted: 2 November 2015 / Published: 5 November 2015
(This article belongs to the Special Issue Software-Defined Optical Networks)
View Full-Text   |   Download PDF [812 KB, uploaded 5 November 2015]   |  

Abstract

In this paper, we consider the performance of optical circuit switching (OCS) systems designed for data center networks by using network-level simulation. Recent proposals have used OCS in data center networks but the relatively slow switching times of OCS-MEMS switches (10–100 ms) and the latencies of control planes in these approaches have limited their use to the largest data center networks with workloads that last several seconds. Herein, we extend the applicability and generality of these studies by considering dynamically changing short-lived circuits in software-controlled OCS switches, using the faster switching technologies that are now available. The modelled switch architecture features fast optical switches in a single hop topology with a centralized, software-defined optical control plane. We model different workloads with various traffic aggregation parameters to investigate the performance of such designs across usage patterns. Our results show that, with suitable choices for the OCS system parameters, delay performance comparable to that of electrical data center networks can be obtained. View Full-Text
Keywords: optical circuit switching; datacenter networking; optical networks; opticalinterconnects; software defined optical networks optical circuit switching; datacenter networking; optical networks; opticalinterconnects; software defined optical networks
This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited. (CC BY 4.0).

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MDPI and ACS Style

Imran, M.; Collier, M.; Landais, P.; Katrinis, K. Software-Controlled Next Generation Optical Circuit Switching for HPC and Cloud Computing Datacenters. Electronics 2015, 4, 909-921.

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