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Testbed

About: Testbed is a research topic. Over the lifetime, 10858 publications have been published within this topic receiving 147147 citations. The topic is also known as: test bed.


Papers
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01 Jan 2007
TL;DR: The goal of CitySense is explicitly not to provide public Internet access, but rather to serve as a new kind of experimental apparatus for urban-scale distributed systems and networking research efforts.
Abstract: In this paper, we present the vision for an open, urban-scale wireless networking testbed, called CitySense, with the goal of supporting the development and evaluation of novel wireless systems that span an entire city. CitySense is currently under development and will consist of about 100 Linux-based embedded PCs outfitted with dual 802.11a/b/g radios and various sensors, mounted on buildings and streetlights across the city of Cambridge. CitySense takes its cue from citywide urban mesh networking projects, but will differ substantially in that nodes will be directly programmable by end users. The goal of CitySense is explicitly not to provide public Internet access, but rather to serve as a new kind of experimental apparatus for urban-scale distributed systems and networking research efforts. In this paper we motivate the need for CitySense and its potential to support a host of new research and application developments. We also outline the various engineering challenges of deploying such a testbed as well as the research challenges that we face when building and supporting such a system.

91 citations

Journal ArticleDOI
TL;DR: In this paper, a packet-switched high-capacity all-optical LAN/MAN network based on wavelength division multiplexing (WDM) and capable of supporting several hundred to a thousand nodes, each requiring gigabit-per-second throughputs is described.
Abstract: A proposal for developing a precompetitive, commercially viable all-optical network architecture using dense optical wavelength division is described. The objective was to demonstrate a packet-switched high-capacity all-optical LAN/MAN network based on wavelength-division multiplexing (WDM) and capable of supporting several hundred to a thousand nodes, each requiring gigabit-per-second throughputs. The discussion covers the rationale and objectives of the program; tunable components, optical amplifiers, network protocol, and application development; network interconnection studies; and testbed construction. >

90 citations

Journal IssueDOI
TL;DR: Simulations on query-by-humming performance as a function of database size indicate that retrieval performance falls only slowly as the database size increases, which raises questions about some previously published conclusions.
Abstract: Query-by-humming systems offer content-based searching for melodies and require no special musical training or knowledge. Many such systems have been built, but there has not been much useful evaluation and comparison in the literature due to the lack of shared databases and queries. The MUSART project testbed allows various search algorithms to be compared using a shared framework that automatically runs experiments and summarizes results. Using this testbed, the authors compared algorithms based on string alignment, melodic contour matching, a hidden Markov model, n-grams, and CubyHum. Retrieval performance is very sensitive to distance functions and the representation of pitch and rhythm, which raises questions about some previously published conclusions. Some algorithms are particularly sensitive to the quality of queries. Our queries, which are taken from human subjects in a realistic setting, are quite difficult, especially for n-gram models. Finally, simulations on query-by-humming performance as a function of database size indicate that retrieval performance falls only slowly as the database size increases. © 2007 Wiley Periodicals, Inc.

90 citations

01 Jan 2007
TL;DR: The Advanced Diagnostics and Prognostics Testbed at NASA Ames Research Center is described, to measure, evaluate, and mature diagnostic and prognostic health management technologies.
Abstract: Researchers in the diagnosis community have developed a number of promising techniques for system health management. However, realistic empirical evaluation and comparison of these approaches is often hampered by a lack of standard data sets and suitable testbeds. In this paper we describe the Advanced Diagnostics and Prognostics Testbed (ADAPT) at NASA Ames Research Center. The purpose of the testbed is to measure, evaluate, and mature diagnostic and prognostic health management technologies. This paper describes the testbed’s hardware, software architecture, and concept of operations. A simulation testbed that accompanies ADAPT, and some of the diagnostic and decision support approaches being investigated are also discussed.

90 citations

Journal ArticleDOI
TL;DR: The development of a Supervisory Control and Data Acquisition (SCADA) system testbed used for cybersecurity research, which provides a good understanding of the effects and consequences of attacks on real SCADA environments.
Abstract: This paper presents the development of a Supervisory Control and Data Acquisition (SCADA) system testbed used for cybersecurity research. The testbed consists of a water storage tank’s control system, which is a stage in the process of water treatment and distribution. Sophisticated cyber-attacks were conducted against the testbed. During the attacks, the network traffic was captured, and features were extracted from the traffic to build a dataset for training and testing different machine learning algorithms. Five traditional machine learning algorithms were trained to detect the attacks: Random Forest, Decision Tree, Logistic Regression, Naive Bayes and KNN. Then, the trained machine learning models were built and deployed in the network, where new tests were made using online network traffic. The performance obtained during the training and testing of the machine learning models was compared to the performance obtained during the online deployment of these models in the network. The results show the efficiency of the machine learning models in detecting the attacks in real time. The testbed provides a good understanding of the effects and consequences of attacks on real SCADA environments.

90 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023917
20222,046
2021499
2020590
2019693
2018639