Toward sustainable networking: Storage area networks with network coding

Author(s)
Ferner, Ulric John; Medard, Muriel; Soljanin, Emina
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Abstract
This manuscript provides a model to characterize the energy savings of network coded storage (NCS) in storage area networks (SANs). We consider blocking probability of drives as our measure of performance. A mapping technique to analyze SANs as independent M/G/K/K queues is presented, and blocking probabilities for uncoded storage schemes and NCS are derived and compared. We show that coding operates differently than the amalgamation of file chunks and energy savings are shown to scale well with striping number. We illustrate that for enterprise-level SANs energy savings of 20-50% can be realized.
Date issued
2012-10
URI
http://hdl.handle.net/1721.1/90582
Department
Massachusetts Institute of Technology. Department of Electrical Engineering and Computer Science; Massachusetts Institute of Technology. Research Laboratory of Electronics
Journal
Proceedings of the 2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton)
Publisher
Institute of Electrical and Electronics Engineers (IEEE)
Citation
Ferner, Ulric J., Muriel Medard, and Emina Soljanin. “Toward Sustainable Networking: Storage Area Networks with Network Coding.” 2012 50th Annual Allerton Conference on Communication, Control, and Computing (Allerton) (October 2012).
Version: Original manuscript
ISBN
978-1-4673-4539-2
978-1-4673-4537-8
978-1-4673-4538-5
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