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University of Illinois at Urbana-Champaign
(70 results)-
White Papers
Large-Scale QoS-Aware Service-Oriented Networking With a Clustering-Based Approach
May 29, 2007, 12:00am PDT
Motivated by the fact that most of the existing QoS service composition solutions have limited scalability, the authors develop a hierarchical-based solution framework to achieve scalability by...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Quantitative Study of Differentiated Service Model Using UltraSAN
January 1, 2011, 12:00am PST
In today's Internet, only best-effort service is provided. With upcoming Quality of Service (QoS) requirements raised by a wide range of communication-intensive, real-time multimedia applications,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Bundle of Streams: Concept and Evaluation in Distributed Interactive Multimedia Environments
September 24, 2010, 12:00am PDT
Distributed Interactive Multimedia Environments (DIMEs) enable geographically distributed people to interact with each other in a joint media-rich virtual environment for a wide range of...
Provided by University of Illinois at Urbana-Champaign
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White Papers
A Hierarchical Quality of Service Control Architecture for Configurable Multimedia Applications
January 1, 2011, 12:00am PST
In order to achieve the best application-level Quality-of-Service (QoS), multimedia applications need to be dynamically tuned and reconfigured to adapt to fluctuating computing and communication...
Provided by University of Illinois at Urbana-Champaign
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White Papers
QoS Service Routing for Supporting Multimedia Applications
January 1, 2011, 12:00am PST
Based on the distributed and composable service model, the QoS service routing problem for supporting multimedia applications has emerged. Different from the conventional QoS data routing, QoS...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Optimal Resource Allocation in Wireless Ad Hoc Networks: A Price-Based Approach
January 1, 2011, 12:00am PST
The shared-medium multi-hop nature of wireless ad hoc networks poses fundamental challenges to the design of effective resource allocation algorithms that are optimal with respect to resource...
Provided by University of Illinois at Urbana-Champaign
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White Papers
DoS-Resistant Broadcast Authentication Protocol With Low End-to-End Delay
March 26, 2008, 12:00am PDT
In mission-critical networks, command, alerts, and critical data are frequently broadcast over wireless networks. Broadcast traffic must be protected from malicious attacks, wherein sources are...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Joint Asynchronous Congestion Control and Distributed Scheduling for Multi-Hop Wireless Networks
January 1, 2011, 12:00am PST
The authors consider a multi-hop wireless network shared by many users. For an interference model that only constrains a node to either transmit or receive at a time, but not both, the authors...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Performance of Network Coding in Ad Hoc Networks
August 9, 2007, 12:00am PDT
Network coding, the notion of performing coding operations on the contents of packets while in transit through the network, was originally developed for wired networks; recently, however, it has...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Understanding the Propagation of Hard Errors to Software and Implications for Resilient System Design
January 1, 2011, 12:00am PST
With continued CMOS scaling, future shipped hardware will be increasingly vulnerable to in-the-field faults. To be broadly deployable, the hardware reliability solution must incur low overheads,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Online Estimation of Architectural Vulnerability Factor for Soft Errors
June 1, 2008, 12:00am PDT
As CMOS technology scales and more transistors are packed on to the same chip, soft error reliability has become an increasingly important design issue for processors. Prior research has shown...
Provided by University of Illinois at Urbana-Champaign
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White Papers
BotGrep: Finding P2P Bots with Structured Graph Analysis
June 1, 2010, 12:00am PDT
A key feature that distinguishes modern botnets from earlier counterparts is their increasing use of structured overlay topologies. This lets them carry out sophisticated coordinated activities...
Provided by University of Illinois at Urbana-Champaign
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White Papers
On the Security of Index Coding With Side Information
February 14, 2011, 12:00am PST
The problem of Index Coding with Side Information (ICSI) was introduced by Birk and Kol,. It was motivated by applications such as audio and video-on-demand, and daily newspaper delivery. In these...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Applying the Theory of Task-Technology Fit to Mobile Technology: The Role of User Mobility
August 27, 2007, 12:00am PDT
In this paper, the authors apply the theory of task technology fit to mobile technology, focusing specifically on the role of user mobility. They describe the results of an empirical study of 216...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Towards a National Research Infrastructure for Multidisciplinary Empirical Study of Free/Open Source Software Development
January 28, 2008, 12:00am PST
The Free/Open Source Software (F/OSS) research community is growing across and within multiple disciplines. This community faces a new and unusual situation. The traditional difficulties of...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Linear Spatial Pyramid Matching Using Sparse Coding for Image Classification
April 13, 2009, 12:00am PDT
In recent years the Bag-of-Features (BoF) model has been extremely popular in image categorization. The method treats an image as a collection of unordered appearance descriptors extracted from...
Provided by University of Illinois at Urbana-Champaign
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White Papers
State Space Reduction in the Maude-NRL Protocol Analyzer
July 15, 2008, 12:00am PDT
The Maude-NRL Protocol Analyzer (Maude-NPA) is a tool and inference system for reasoning about the security of cryptographic protocols in which the cryptosystems satisfy different equational...
Provided by University of Illinois at Urbana-Champaign
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White Papers
The System-Level Simplex Architecture for Improved Real-Time Embedded System Safety
February 11, 2009, 12:00am PST
Embedded systems in safety-critical environments demand safety guarantees while providing many useful services that are too complex to formally verify or fully test. Existing application-level...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Privacy-Preserving Reconstruction of Multidimensional Data Maps in Vehicular Participatory Sensing
December 11, 2009, 12:00am PST
The proliferation of sensors in devices of frequent use, such as mobile phones, offers unprecedented opportunities for forming self-selected communities around shared sensory data pools that...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Detection and Handling of MAC Layer Misbehavior in Wireless Networks
January 1, 2011, 12:00am PST
Wireless Medium Access Control (MAC) protocols such as IEEE 802.11 use distributed contention resolution mechanisms for sharing the wireless channel. In this environment, selfish hosts that fail...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Dynamic Spectrum Access With Learning for Cognitive Radio
November 23, 2008, 12:00am PST
The authors study the problem of cooperative dynamic spectrum sensing and access in cognitive radio systems as a Partially Observed Markov Decision Process (POMDP). Assuming Markovian...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Adaptive Carrier Sense With Enhanced Fairness in IEEE 802.15.4 Wireless Networks
March 20, 2009, 12:00am PDT
The authors propose an adaptive Carrier Sense (CS) scheme with enhanced fairness based on the observation that conventional adaptive CS mechanisms may lead to significant unfairness. Their...
Provided by University of Illinois at Urbana-Champaign
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White Papers
User-perceived Requirements of Mobile Technology: Results From a Survey of Mobile Business Users
November 8, 2007, 12:00am PST
In this paper, the authors explore the requirements of business users of mobile devices in relation with user tasks and user mobility, and the relationship of the extent to which user-indicated...
Provided by University of Illinois at Urbana-Champaign
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White Papers
User Requirements of Mobile Technology: A Summary of Research Results
March 8, 2008, 12:00am PST
As advanced mobile technology becomes more widespread, the impacts on professional environments and on the personal lives of individual users continue to increase. Devices, such as smart cell...
Provided by University of Illinois at Urbana-Champaign
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White Papers
User Requirements of Mobile Technology - Results From a Content Analysis of User Reviews
October 15, 2007, 12:00am PDT
Advanced mobile technology continues to shape professional environments. Smart cell phones, pocket computers and laptop computers reduce the need of users to remain close to a wired information...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Network Optimization and Control
February 11, 2008, 12:00am PST
The authors study how protocol design for various functionalities within communication network architecture can be viewed as a distributed resource allocation problem. This involves understanding...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Optimal Resource Allocation for Multicast Sessions in Multihop Wireless Networks
January 20, 2009, 12:00am PST
In this paper, the authors extend recent results on fair and stable resource allocation in wireless networks to include multicast sessions, in particular multi-rate multicast. The solution for...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Real-World VANET Security Protocol Performance
September 9, 2009, 12:00am PDT
Many results have been published in the literature based on performance measurements obtained from simulations of Vehicular Ad hoc NETworks (VANETs). These simulations use as input traces of...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Secure Web Browsing With the OP Web Browser
March 7, 2008, 12:00am PST
Current web browsers are plagued with vulnerabilities, providing hackers with easy access to computer systems via browser-based attacks. Browser security efforts that retrofit existing browsers...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Analysis of Credential Stealing Attacks in an Open Networked Environment
June 8, 2011, 12:00am PDT
This paper analyses the forensic data on credential stealing incidents over a period of 5 years across 5000 machines monitored at the National Center for Supercomputing Applications at the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Performance Evaluation of the Illinois Cloud Computing Testbed
June 30, 2009, 12:00am PDT
Cloud computing has the potential to bring sophisticated computing facility at the door-steps of users. The performance of services hosted at a cloud generally depends on its computation, storage...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Secure Capacity of Wireless Broadcast Networks
September 28, 2009, 12:00am PDT
This paper gives a constructive characterization for the capacity of wireless broadcast networks that are prone to Byzantine attacks. The adversary controls a single node in the network and can...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Optimal Delay-Throughput Trade-Offs in Mobile Ad Hoc Networks
December 27, 2007, 12:00am PST
In this paper, the authors investigate the delay-throughput trade-offs in mobile ad-hoc networks. They consider four node mobility models: two-dimensional i.i.d. mobility, two dimensional hybrid...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Optimizing Top-K Queries for Middleware Access: A Unied Cost-Based Approach
January 1, 2010, 12:00am PST
This paper studies optimizing top-k queries in middleware. While many assorted algorithms have been proposed, none is generally applicable to a wide range of possible scenarios. Existing...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Optimal State Prediction for Feedback-Based QoS Adaptations
January 1, 2010, 12:00am PST
In heterogeneous network environments with performance variations present, complex distributed applications, such as distributed visual tracking applications, are desired to adapt themselves and...
Provided by University of Illinois at Urbana-Champaign
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White Papers
QoS-Directed Error Control of Video Multicast in Wireless Networks
January 1, 2010, 12:00am PST
This paper presents a QoS-Directed Error Control scheme (QDEC) for video multicast in wireless networks. In order to provide multimedia services to mobile users, it is necessary to have not only...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Hierarchical Tensor Approximation of Multi-Dimensional Visual Data
May 17, 2008, 12:00am PDT
Visual data comprise of multi-scale and inhomogeneous signals. This paper exploits these characteristics and develops a compact data representation technique based on a hierarchical tensor-based...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Systematically Eradicating Data Injection Attacks Using Security-Oriented Program Transformations
September 22, 2008, 12:00am PDT
Injection attacks and their defense require a lot of creativity from attackers and secure system developers. Unfortunately, as attackers rely increasingly on systematic approaches to find and...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Secure Capacity of Multi-Hop Wireless Networks With Random Key Pre-Distribution
December 22, 2007, 12:00am PST
It is usual to quantify the performance of communication networks in terms of achievable throughout or delay. The past decade or so has also seen the gradual evolution of a theoretical structure...
Provided by University of Illinois at Urbana-Champaign
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White Papers
A Practical Approach for Providing QoS in Multichannel Ad-Hoc Networks Using Spectrum Width Adaptation
August 13, 2009, 12:00am PDT
Multichannel wireless networks provide the flexibility to utilize the available spectrum efficiently for achieving improved system performance in terms of throughput and spectral efficiency....
Provided by University of Illinois at Urbana-Champaign
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White Papers
Classification and Comparison of QoS Specification Languages for Distributed Multimedia Applications
January 1, 2010, 12:00am PST
Quality of Service (QoS) is becoming an integral part of currently ubiquitous distributed multimedia applications. However, before any QoS-related mechanisms and policies, such as admission...
Provided by University of Illinois at Urbana-Champaign
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White Papers
End-to-End QoS Support for Adaptive Applications Over the Internet
January 1, 2010, 12:00am PST
In current end systems, multiple flexible, complex and distributed applications concurrently share and compete both end systems resources and transmission bandwidth of heterogeneous multi-protocol...
Provided by University of Illinois at Urbana-Champaign
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White Papers
QoS-Assured Service Composition in Managed Service Overlay Networks
January 1, 2010, 12:00am PST
Many value-added and content delivery services are being offered via Service Level Agreements (SLAs). These services can be interconnected to form a Service Overlay Network (SON) over the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
QoS-Aware Middleware for Ubiquitous and Heterogeneous Environments
January 1, 2010, 12:00am PST
Middleware systems have emerged in recent years to support applications in heterogenous and ubiquitous computing environments. Specifically, future middleware platforms are expected to provide...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Supporting Emergency-Response by Retasking Network Infrastructures
November 7, 2007, 12:00am PST
Recent events have demonstrated the susceptibility of conventional network infrastructures to both man-made and natural disasters. The attacks on September 11th, 2001 disrupted many communication...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Implementing Reflective Access Control in SQL
July 17, 2009, 12:00am PDT
Reflective Database Access Control (RDBAC) is a model in which a database privilege is expressed as a database query itself, rather than as a static privilege in an access control matrix. RDBAC...
Provided by University of Illinois at Urbana-Champaign
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White Papers
How to Bootstrap Security for Ad-Hoc Network: Revisited
January 15, 2009, 12:00am PST
There are various network-enabled and embedded computers deployed around them. Although the authors can get enormous conveniences by connecting them together, it is difficult to securely associate...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Secure Collaborative Sensing for Crowdsourcing Spectrum Data in White Space Networks
February 4, 2010, 12:00am PST
Collaborative Sensing is an important enabling technique for realizing opportunistic spectrum access in white space (Cognitive Radio) networks. This paper considers the security ramifications of...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Routing and Network Design With Robustness to Changing or Uncertain Traffic Demands
July 27, 2007, 12:00am PDT
A new class of network design problems was introduced by Fingerhut et al. and independently by Duffield et al, to address, among other things, the issue of uncertainty in the demand matrix. The...
Provided by University of Illinois at Urbana-Champaign
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White Papers
DebianRunner: Running Desktop Applications on Android Smartphones
October 27, 2010, 12:00am PDT
The Android operating system runs atop the Linux kernel, yet lacks the ability to natively execute standard Linux desktop applications. Though efforts have been made to enable this functionality,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Requirements of Secure Storage Systems for Healthcare Records
July 9, 2007, 12:00am PDT
Recent compliance regulations are intended to foster and restore human trust in digital information records and, more broadly, in the businesses, hospitals, and educational enterprises. In the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Power Aware Storage Cache Management
January 1, 2010, 12:00am PST
Reducing energy consumption is an important issue for data centers. Among the various components of a data center, storage is one of the biggest energy consumers. Previous studies have shown that...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Designing Routing Metrics for Mesh Networks
January 1, 2010, 12:00am PST
Designing routing metrics is critical for performance in wireless mesh networks. The unique characteristics of mesh networks, such as static nodes and the shared nature of the wireless medium,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Quantifying the Effectiveness of Mobile Phone Virus Response Mechanisms
January 12, 2008, 12:00am PST
Viruses that infect smartphones are emerging as a new front in the fight against computer viruses. This paper model the propagation of mobile phone viruses in order to study their impact on the...
Provided by University of Illinois at Urbana-Champaign
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White Papers
RRE: A Game-Theoretic Intrusion Response and Recovery Engine
April 4, 2009, 12:00am PDT
Preserving the availability and integrity of networked computing systems in the face of fast-spreading intrusions requires advances not only in detection algorithms, but also in automated response...
Provided by University of Illinois at Urbana-Champaign
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White Papers
HybridCast: A Hybrid Probabilistic/Deterministic Approach for Adjustable Broadcast Reliability in Mobile Wireless Ad Hoc Networks
June 1, 2009, 12:00am PDT
Broadcast is a crucial yet expensive building block for many applications in bandwidth-scarce mobile wireless ad hoc networks. The paper proposes a hybrid deterministic/probabilistic,...
Provided by University of Illinois at Urbana-Champaign
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White Papers
On the Mobile Wireless Access Via MIMO Relays
July 21, 2009, 12:00am PDT
While a network with stationary nodes can provide large capacity in many current wireless systems, a network with mobile users suffers from severe performance degradation. This happens due to...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Mobile Wireless Access Via MIMO Relays
February 11, 2009, 12:00am PST
While a network with stationary nodes can provide large capacity in many current wireless systems, a network with mobile users suffers from severe performance degradation. This happens due to...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Distributed RFID Tag Storage Infrastructures
May 11, 2009, 12:00am PDT
This paper leverages increasing passive RFID tag memory to propose distributed RFID tag storage infrastructures (D-RFID stores). A D-RFID store is a large set of tags with significantly sized...
Provided by University of Illinois at Urbana-Champaign
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White Papers
Secure Web Browsing With the OP Web Browser
March 7, 2008, 12:00am PST
Current web browsers are plagued with vulnerabilities, providing hackers with easy access to computer systems via browser-based attacks. Browser security efforts that retrofit existing browsers...
Provided by University of Illinois at Urbana-Champaign
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