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Modeling and Performance Evaluation of Computing Systems (TOMPECS)

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ACM Transactions on Modeling and Performance Evaluation of Computing Systems, Volume 1 Issue 3, May 2016

PREFiguRE: An Analytic Framework for HDD Management
Feng Yan, Xenia Mountrouidou, Alma Riska, Evgenia Smirni
Article No.: 10
DOI: 10.1145/2872331

Low disk drive utilization suggests that placing the drive into a power saving mode during idle times may decrease power consumption. We present PREFiguRE, a robust framework that aims at harvesting future idle intervals for power savings while...

Estimation of Flow Distributions from Sampled Traffic
Nelson Antunes, Vladas Pipiras
Article No.: 11
DOI: 10.1145/2891106

This work addresses the problem of estimating the distributions of packet flow sizes and durations under several methods of sampling packets. Two approaches, one based on inversion and the other on asymptotics, are considered. For the duration...

A Unified Approach to the Performance Analysis of Caching Systems
Michele Garetto, Emilio Leonardi, Valentina Martina
Article No.: 12
DOI: 10.1145/2896380

We propose a unified methodology to analyze the performance of caches (both isolated and interconnected), by extending and generalizing a decoupling technique originally known as Che’s approximation, which provides very accurate results at...

Design and Analysis of Incentive and Reputation Mechanisms for Online Crowdsourcing Systems
Hong Xie, John C. S. Lui, Don Towsley
Article No.: 13
DOI: 10.1145/2897510

Today, online crowdsourcing services like Amazon Mechanical Turk, UpWork, and Yahoo! Answers are gaining in popularity. For such online services, it is important to attract “workers” to provide high-quality solutions to the...