Sciweavers

MASCOTS
2008
13 years 6 months ago
A Novel and Generic Model for Synthesizing Disk I/O Traffic Based on The Alpha-stable Process
Obtaining representative and concise I/O workloads for the purpose of projecting the performance of storage systems remains a challenge due to the complex nature of I/O behaviors....
Qiang Zou, Dan Feng, Yifeng Zhu, Hong Jiang
MASCOTS
2008
13 years 6 months ago
Modelling and Validation of Response Times in Zoned RAID
We present and validate an enhanced analytical queueing network model of zoned RAID. The model focuses on RAID levels 01 and 5, and yields the distribution of I/O request response...
Abigail S. Lebrecht, Nicholas J. Dingle, William J...
MASCOTS
2008
13 years 6 months ago
An Analysis of Hard Drive Energy Consumption
The increasing storage capacity and necessary redundancy of data centers and other large-scale IT facilities has drawn attention to the issue of reducing the power consumption of ...
Anthony Hylick, Ripduman Sohan, Andrew Rice, Brian...
MASCOTS
2008
13 years 6 months ago
Finding Good Configurations in High-Dimensional Spaces: Doing More with Less
Manually tuning tens to hundreds of configuration parameters in a complex software system like a database or an application server is an arduous task. Recent work has looked into ...
Risi Thonangi, Vamsidhar Thummala, Shivnath Babu
MASCOTS
2008
13 years 6 months ago
TCP over WiMAX: A Measurement Study
We present active measurement results from a commercial IEEE 802.16/WiMAX-based network, with primary focus on TCP performance. We compare four TCP variants, namely New Reno, Cubi...
Emir Halepovic, Qian Wu, Carey L. Williamson, Maji...
MASCOTS
2008
13 years 6 months ago
Modeling Software Contention using Colored Petri Nets
Commercial servers, such as database or application servers, often attempt to improve performance via multithreading. Improper multi-threading architectures can incur contention, ...
Nilabja Roy, Akshay Dabholkar, Nathan Hamm, Lawren...
MASCOTS
2008
13 years 6 months ago
Increased Reliability with SSPiRAL Data Layouts
We evaluate the reliability of storage system schemes consisting of an equal numbers of data disks and parity disks where each parity disk contains the exclusive or (XOR) of two o...
Thomas J. E. Schwarz, Jehan-François P&acir...
MASCOTS
2008
13 years 6 months ago
On the Stability of Best Effort Flow Control Mechanisms in On-Chip Architectures
In this paper we present a centralized flow control scheme in NoCs in the presence of both elastic and streaming flow traffic paradigms. We model the desired Best Effort (BE) sour...
Mohammad Sadegh Talebi, Ahmad Khonsari
MASCOTS
2008
13 years 6 months ago
Power Optimization in Fault-Tolerant MANETs
Abstract--In this paper, we investigate the problem of optimizing the lifetime of a mobile ad hoc network at a given degree k of connectivity by minimizing power consumption. Our p...
Oliviero Riganelli, Radu Grosu, Scott A. Smolka
MASCOTS
2008
13 years 6 months ago
Optimizing Galois Field Arithmetic for Diverse Processor Architectures and Applications
Galois field implementations are central to the design of many reliable and secure systems, with many systems implementing them in software. The two most common Galois field opera...
Kevin M. Greenan, Ethan L. Miller, Thomas J. E. Sc...