FlexStore: Storage systems aware of trade-offs between performance, power, security, and availability

Project Overview

This project explores the rich trade-offs between performance, security, power, and availability in a number of storage systems.


Shiva Chaitanya
Anand Sivasubramaniam
Bhuvan Urgaonkar


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A Comprehensive Study on Energy Efficiency of Flash Memory Storages
Seonyeong Park, Youngjae Kim, Bhuvan Urgaonkar, Joonwon Lee, and Euiseong Seo
To appear in Elsevier Journal of System Architecture (JSA), 2011 (online version available July 2010).

Middleware for a Re-configurable Distributed Archival Store Based on Secret Sharing
Shiva Chaitanya, Bhuvan Urgaonkar, and Anand Sivasubramaniam
Proceedings of the ACM/IFIP/USENIX Eleventh International Middleware Conference (MIDDLEWARE 2010), Bangalore, India, Nov-Dec 2010. (16/119 = 17% accepted).

Multi-level Crypto Disk: Secondary Storage with Improved Performance vs Security Trade-offs
Shiva Chaitanya, Bhuvan Urgaonkar, and Anand Sivasubramaniam
Poster in Proceedings of Eighteenth Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems (MASCOTS 2010), Miami Beach, FL, August 2010. Also, Technical Report CSE-09-006, Department of Computer Science and Engineering, The Pennsylvania State University, April 2009.
Poster Tech. Report

Empirical Analysis of the Energy Efficiency of Flash-based SSDs
Euiseong Seo, Seonyeong Park, Bhuvan Urgaonkar
Proceedings of the First Workshop on Power Aware Computing and Systems (HotPower), held in conjunction with USENIX OSDI 2008, San Diego, CA, December 2008.

QDSL: A Queueing Model for Systems with Differential Service Levels
Shiva Chaitanya, Bhuvan Urgaonkar, and Anand Sivasubramaniam
Proceedings of the ACM International Conference on Measurement and Modeling of Computer Systems (SIGMETRICS), pages 289-300, Annapolis, MD, June 2008. (36/201 = 18% accepted).