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Stony Brook University
(86 results)-
White Papers
Deconstructing Interference Relations in WiFi Networks
April 23, 2010, 12:00am PDT
Wireless interference is the major cause of degradation of capacity in 802.11 wireless networks. This paper presents an approach to estimate the interference between nodes and links in a live...
Provided by Stony Brook University
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White Papers
Slotted Scheduled Tag Access in Multi-Reader RFID Systems
September 1, 2007, 12:00am PDT
Radio Frequency IDentification (RFID) is a technology where a reader device can "Sense" the presence of a close-by object by reading a tag device attached to the object. To improve coverage,...
Provided by Stony Brook University
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White Papers
OneClick: A Framework for Measuring Network Quality of Experience
January 28, 2010, 12:00am PST
As the service requirements of network applications shift from high throughput to high media quality, interactivity, and responsiveness, the definition of QoE (Quality of Experience) has become...
Provided by Stony Brook University
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White Papers
Illumination Estimation and Cast Shadow Detection Through a Higher-Order Graphical Model
April 4, 2011, 12:00am PDT
In this paper, the authors propose a novel framework to jointly recover the illumination environment and an estimate of the cast shadows in a scene from a single image, given coarse 3D geometry....
Provided by Stony Brook University
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White Papers
Hierarchical Semantic Indexing for Large Scale Image Retrieval
April 4, 2011, 12:00am PDT
This paper addresses the problem of similar image retrieval, especially in the setting of large-scale datasets with millions to billions of images. The core novel contribution is an approach that...
Provided by Stony Brook University
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White Papers
Device-Transparent Network-Layer Handoff for Micro-Mobility
June 23, 2009, 12:00am PDT
An emerging class of applications for enterprise Wireless LANs (WLAN) is Voice over IP (VoIP) applications, which impose a stringent requirement on end-to-end delay. Because access points on an...
Provided by Stony Brook University
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White Papers
Availability and Fairness Support for Storage QoS Guarantee
May 24, 2008, 12:00am PDT
Multi-Dimensional Storage Virtualization (MDSV) allows multiple virtual disks, each with a distinct combination of capacity, latency and bandwidth requirements, to be multiplexed on a physical...
Provided by Stony Brook University
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White Papers
Accurate and Efficient Inter-Transaction Dependency Tracking
April 12, 2008, 12:00am PDT
A reparable database management system has the ability to automatically undo the set of transactions that are corrupted by a human error or malicious attack. The key technical challenge to...
Provided by Stony Brook University
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White Papers
Fast Bounds Checking Using Debug Register
February 15, 2008, 12:00am PST
The ability to check memory references against their associated array/buffer bounds helps programmers to detect programming errors involving address overruns early on and thus avoid many difficult...
Provided by Stony Brook University
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White Papers
Automatic Patch Generation for Buffer Overflow Attacks
June 9, 2007, 12:00am PDT
Control-hijacking attacks exploit vulnerabilities in network services to take control of them and eventually their underlying machines. Although much work has been done on detection and prevention...
Provided by Stony Brook University
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White Papers
Accurate Application-Specific Sandboxing for Win32/Intel Binaries
June 9, 2007, 12:00am PDT
Comparing the system call sequence of a network application against a sandboxing policy is a popular approach to detecting control-hijacking attack, in which the attacker exploits such software...
Provided by Stony Brook University
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White Papers
Network-Centric Buffer Cache Organization
January 1, 2011, 12:00am PST
A pass-through server such as an NFS server backed by an iSCSI storage server only passes data between the storage server and NFS clients. Ideally it should require at most one data copying...
Provided by Stony Brook University
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White Papers
Financial Analysis Using News Data
April 7, 2009, 12:00am PDT
This paper surveys the field of financial analysis using news data, and also the authors' own considerable work regarding movie gross analysis to show the predictive power of news data. Since the...
Provided by Stony Brook University
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White Papers
Financing Constraints And Firm Dynamics With Durable Capital
November 1, 2007, 12:00am PDT
The authors consider a dynamic financing problem of a firm subject to moral hazard problems. With respect to the existing literature (e.g. as Clementi and Hopenhayn and Quadrini), they enrich the...
Provided by Stony Brook University
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White Papers
Passive and Accurate Traffic Load Estimation for Infrastructure-Mode Wireless LAN
October 26, 2007, 12:00am PDT
The exponential increase in the deployment of IEEE 802.11-based Wireless LAN (WLAN) technology has transformed it into an essential building block of the networking infrastructure of commercial...
Provided by Stony Brook University
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White Papers
V-NetLab: A Cost-Effective Platform to Support Course Projects in Computer Security
January 1, 2011, 12:00am PST
Network and computer courses need dedicated laboratories for students to carry out hands-on assignments and course projects. Typically, these projects require each student to be given...
Provided by Stony Brook University
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White Papers
Inferring Higher Level Policies From Firewall Rules
September 19, 2007, 12:00am PDT
Packet filtering firewall is one of the most important mechanisms used by corporations to enforce their security policy. Recent years have seen a lot of research in the area of firewall...
Provided by Stony Brook University
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White Papers
Avfs: An On-Access Anti-Virus File System
December 1, 2007, 12:00am PST
Viruses and other malicious programs are an ever-increasing threat to current computer systems. They can cause serious damage and consume countless hours of system administrators' time to combat....
Provided by Stony Brook University
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White Papers
Wireless Cloud Infrastructure for High-Performance Wireless Applications and Services
January 18, 2011, 12:00am PST
In a Cloud service environment, besides long-term data transfers, many short-term connections may be needed to transmit management information, while no communication is needed for a long period...
Provided by Stony Brook University
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White Papers
Wireless Link Scheduling Under a Graded SINR Interference Model
February 16, 2009, 12:00am PST
In this paper, the authors revisit the wireless link scheduling problem under a graded version of the SINR interference model. Unlike the traditional thresholded version of the SINR model, the...
Provided by Stony Brook University
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White Papers
Data Transmission and Base-Station Placement for Optimizing the Lifetime of Wireless Sensor Networks
September 27, 2011, 12:00am PDT
In this paper, the authors study the fundamental optimization problem in Wireless Sensor Networks of base-station positioning such that data from the sensors may be transmitted to it in an...
Provided by Stony Brook University
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White Papers
Geometric Algorithms for Sensor Networks
June 7, 2011, 12:00am PDT
Networked embedded sensors provide a unique opportunity for real time, large scale, high resolution environmental monitoring. Such systems are becoming ubiquitous across many activities important...
Provided by Stony Brook University
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White Papers
Gateway Strategies for VoIP Traffic Over Wireless Multihop Networks
January 31, 2011, 12:00am PST
When supporting both voice and TCP in a wireless multi-hop network, there are two conflicting goals: to protect the VoIP traffic, and to completely utilize the remaining capacity for TCP. The...
Provided by Stony Brook University
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White Papers
Toward Private Joins on Outsourced Data
June 7, 2011, 12:00am PDT
In an outsourced database framework, clients place data management responsibilities with specialized service providers. Of essential concern in such frameworks is data privacy. Potential clients...
Provided by Stony Brook University
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White Papers
Oblivious Outsourced Storage With Delegation
March 21, 2011, 12:00am PDT
In the past few years, outsourcing private data to untrusted servers has become an important challenge. This raises severe questions concerning the security and privacy of the data on the external...
Provided by Stony Brook University
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White Papers
Regulatory Compliant Oblivious RAM
January 1, 2011, 12:00am PST
The authors introduce WORM-ORAM, a first mechanism that combines Oblivious RAM (ORAM) access privacy and data confidentiality with Write Once Read Many (WORM) regulatory data retention guarantees....
Provided by Stony Brook University
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White Papers
Joining Privately on Outsourced Data
July 7, 2010, 12:00am PDT
In an outsourced database framework, clients place data management with specialized service providers. Of essential concern in such frameworks is data privacy. Potential clients are reluctant to...
Provided by Stony Brook University
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White Papers
Placement and Orientation of Rotating Directional Sensors
November 26, 2010, 12:00am PST
In this paper, the authors address several problems that arise in the context of rotating directional sensors. Rotating Directional Sensors (RDS) have a "Directional" coverage region that...
Provided by Stony Brook University
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White Papers
Truthful Spectrum Auctions With Approximate Revenue
July 31, 2010, 12:00am PDT
In cellular networks, a recent trend is to make spectrum access dynamic in the spatial and temporal dimensions, for the sake of efficient utilization of spectrum. In such a model, the spectrum is...
Provided by Stony Brook University
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White Papers
Selection and Orientation of Directional Sensors for Coverage Maximization
May 5, 2009, 12:00am PDT
Sensor nodes may be equipped with a "Directional" sensing device (such as a camera) which senses a physical phenomenon in a certain direction depending on the chosen orientation. In this paper,...
Provided by Stony Brook University
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White Papers
Deductive Framework for Programming Sensor Networks
January 1, 2012, 12:00am PST
Developing powerful paradigms for programming sensor networks is critical to realize the full potential of sensor networks as collaborative data processing engines. In this paper, the authors...
Provided by Stony Brook University
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White Papers
Near-Optimal Dynamic Spectrum Allocation in Cellular Networks
October 9, 2008, 12:00am PDT
In this paper, the authors address the spectrum allocation problem in cellular networks under the Coordinated Dynamic Spectrum Access (CDSA) model. In this model, a centralized spectrum broker...
Provided by Stony Brook University
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White Papers
Runtime Verification With State Estimation
August 17, 2011, 12:00am PDT
The authors introduce the concept of Runtime Verification with State Estimation and show how this concept can be applied to estimate the probability that a temporal property is satisfied by a run...
Provided by Stony Brook University
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White Papers
Formal Analysis of the DNS Bandwidth Amplification Attack and Its Countermeasures Using Probabilistic Model Checking
July 16, 2011, 12:00am PDT
The DNS Bandwidth Amplification Attack (BAA) is a distributed denial of service attack in which a network of computers (zombies) flood a DNS server with responses to requests that have never been...
Provided by Stony Brook University
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White Papers
Power Consumption in Enterprise-Scale Backup Storage Systems
February 18, 2012, 12:00am PST
Power consumption has become an important factor in modern storage system design. Power efficiency is particularly beneficial in disk-based backup systems that store mostly cold data, have...
Provided by Stony Brook University
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White Papers
Extracting Flexible, Replayable Models From Large Block Traces
April 8, 2012, 12:00am PDT
I/O traces are good sources of information about real-world workloads; replaying such traces is often used to reproduce the most realistic system behavior possible. But traces tend to be large,...
Provided by Stony Brook University
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White Papers
Evaluating Performance and Energy in File System Server Workloads
January 18, 2010, 12:00am PST
Recently, power has emerged as a critical factor in designing components of storage systems, especially for power-hungry data centers. While there is some research into power-aware storage stack...
Provided by Stony Brook University
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White Papers
Compiler-Assisted Software Verification Using Plug-Ins
January 1, 2012, 12:00am PST
The authors present Protagoras, a new plug-in architecture for the GNU compiler collection that allows one to modify GCC's internal representation of the program under compilation. They illustrate...
Provided by Stony Brook University
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White Papers
Type-Safe Disks
January 1, 2012, 12:00am PST
The authors present the notion of a Type-Safe Disk (TSD). Unlike a traditional disk system, a TSD is aware of the pointer relationships between disk blocks that are imposed by higher layers such...
Provided by Stony Brook University
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White Papers
Operating System Profiling Via Latency Analysis
January 1, 2012, 12:00am PST
Operating systems are complex and their behavior depends on many factors. Source code, if available, does not directly help one to understand the OS's behavior, as the behavior depends on actual...
Provided by Stony Brook University
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White Papers
Slotted Scheduled Tag Access in Multi-Reader RFID Systems
September 1, 2007, 12:00am PDT
Radio Frequency IDentification (RFID) is a technology where a reader device can "Sense" the presence of a close-by object by reading a tag device attached to the object. To improve coverage,...
Provided by Stony Brook University
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White Papers
Deconstructing Interference Relations in WiFi Networks
April 23, 2010, 12:00am PDT
Wireless interference is the major cause of degradation of capacity in 802.11 wireless networks. This paper presents an approach to estimate the interference between nodes and links in a live...
Provided by Stony Brook University
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White Papers
Detecting Selfish Carrier-Sense Behavior in WiFi Networks by Passive Monitoring
April 12, 2010, 12:00am PDT
With the advent of programmability in radios, it is becoming easier for wireless network nodes to cheat to obtain an unfair share of the bandwidth. In this work the authors study the widely used...
Provided by Stony Brook University
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White Papers
Understanding Channel and Interface Heterogeneity in Multi-Channel Multi-Radio Wireless Mesh Networks
January 14, 2009, 12:00am PST
Multi-channel multi-radio architectures have been widely studied for 802.11-based wireless mesh networks to address the capacity problem due to wireless interference. They all utilize channel...
Provided by Stony Brook University
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White Papers
MIMO-Aware Routing in Wireless Mesh Networks
December 20, 2009, 12:00am PST
Multiple-Input and Multiple-Output (MIMO) technique is considered as one of the most promising emerging wireless technologies that can significantly improve transmission capacity and reliability...
Provided by Stony Brook University
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White Papers
Adaptive Exploitation of Cooperative Relay for High Performance Communications in MIMO Ad Hoc Networks
August 21, 2010, 12:00am PDT
With the popularity of wireless devices and the increase of computing and storage resources, there are increasing interests in supporting mobile computing techniques. Particularly, ad hoc networks...
Provided by Stony Brook University
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White Papers
Exploiting Use of a New Performance Metric for Construction of Robust and Efficient Wireless Backbone Network
April 21, 2010, 12:00am PDT
In order to improve transmission throughput of a multi-hop wireless network, many efforts have been made in recent years to reduce traffic and hence transmission collisions by constructing...
Provided by Stony Brook University
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White Papers
End-to-End Flow Fairness Over IEEE 802.11-Based Wireless Mesh Networks
January 1, 2011, 12:00am PST
Economies of scale make IEEE 802.11 an attractive technology for building Wireless Mesh Networks (WMNs). However, the IEEE 802.11 protocol exhibits serious link-layer unfairness when used in...
Provided by Stony Brook University
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White Papers
Dynamic Multi-Process Information Flow Tracking for Web Application Security
September 30, 2007, 12:00am PDT
Although there is a large body of research on detection and prevention of such memory corruption attacks as buffer overflow, integer overflow, and format string attacks, the web application...
Provided by Stony Brook University
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White Papers
Efficient Logging and Replication Techniques for Comprehensive Data Protection
July 21, 2007, 12:00am PDT
Mariner is an iSCSI-based storage system that is designed to provide comprehensive data protection on commodity ATA disk and Gigabit Ethernet technologies while offering the same performance as...
Provided by Stony Brook University
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White Papers
Comparison of QoS Guarantee Techniques for VoIP Over IEEE802.11 Wireless LAN
July 20, 2007, 12:00am PDT
An emerging killer application for enterprise Wireless LANs (WLANs) is Voice over IP (VoIP) telephony, which promises to greatly improve the reachability and mobility of enterprise telephony...
Provided by Stony Brook University
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White Papers
Graphic Engine Resource Management
November 7, 2007, 12:00am PST
Modern consumer-grade 3D graphic cards boast a computation/memory resource that can easily rival or even exceed that of standard desktop PCs. Although these cards are mainly designed for 3D gaming...
Provided by Stony Brook University
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White Papers
File Versioning for Block-Level Continuous Data Protection
March 18, 2009, 12:00am PDT
Block-level Continuous Data Protection (CDP) logs every disk block update so that disk updates within a time window are undoable. Standard file servers and DBMS servers can enjoy the data...
Provided by Stony Brook University
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White Papers
Globally Fair Radio Resource Allocation for Wireless Mesh Networks
May 12, 2008, 12:00am PDT
Network flows running on a Wireless Mesh Network (WMN) may suffer from partial failures in the form of serious throughput degradation, sometimes to the extent of starvation, because of weaknesses...
Provided by Stony Brook University
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White Papers
Accurate Clock Synchronization for IEEE 802.11-Based Multi-Hop Wireless Networks
August 4, 2009, 12:00am PDT
Clock synchronization is an essential building block for many control mechanisms used in wireless networks, including frequency hopping, power management, and packet scheduling. Although the IEEE...
Provided by Stony Brook University
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White Papers
Centralized Channel Assignment and Routing Algorithms for Multi-Channel Wi Reless Mesh Networks
January 1, 2011, 12:00am PST
The IEEE 802.11 Wireless LAN standards allow multiple non-overlapping frequency channels to be used simultaneously to increase the aggregate bandwidth available to end-users. Such bandwidth...
Provided by Stony Brook University
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White Papers
Drive-By Localization of Roadside WiFi Networks
January 14, 2008, 12:00am PST
The authors use a steerable beam directional antenna mounted on a moving vehicle to localize roadside WiFi Access Points (APs), located outdoors or inside buildings. Localizing APs is an important...
Provided by Stony Brook University
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White Papers
DAL: A Distributed Localization in Sensor Networks Using Local Angle Measurement
May 15, 2009, 12:00am PDT
Wireless sensor networks have been used in a wide range of applications such as military surveillance, environmental monitoring, and target tracking. In all these applications, the information...
Provided by Stony Brook University
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White Papers
An Efficient Black-Box Technique for Defeating Web Application Attack
December 24, 2008, 12:00am PST
Over the past few years, injection vulnerabilities have become the primary target for remote exploits. SQL injection, command injection, and cross-site scripting are some of the popular attacks...
Provided by Stony Brook University
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White Papers
V-NetLab: An Approach for Realizing Logically Isolated Networks for Security Experiments
December 22, 2008, 12:00am PST
Cyber security experiments with potentially malicious software can possibly damage the testbed environment and "Escape" into the Internet. Due to this security concern, networks used in such...
Provided by Stony Brook University
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White Papers
Fast Packet Classification Using Condition Factorization
November 29, 2010, 12:00am PST
Rule-based packet classification plays a central role in network intrusion detection systems such as Snort. To enhance performance, these rules are typically compiled into a matching automaton...
Provided by Stony Brook University
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White Papers
A Framework for Building Privacy-Conscious Composite Web Services
January 1, 2011, 12:00am PST
The rapid growth of web applications has prompted increasing interest in the area of composite web services that involve several service providers. The potential for such composite web services...
Provided by Stony Brook University
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White Papers
Context-Aware I/O: Exploiting Application Context in the Storage Stack
October 10, 2010, 12:00am PDT
The authors propose the concept of Context-Aware I/O (CAIO), a generic mechanism that enables lower layers of the storage stack such as the disk, to track application-data and application-I/O...
Provided by Stony Brook University
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White Papers
Selective Versioning in a Secure Disk System
May 13, 2008, 12:00am PDT
Making vital disk data recoverable even in the event of OS compromises has become a necessity, in view of the increased prevalence of OS vulnerability exploits over the recent years. The authors...
Provided by Stony Brook University
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White Papers
Characterizing Interference in 802.11-Based Wireless Mesh Networks
January 1, 2010, 12:00am PST
In a multihop wireless mesh network, interference among links has a significant impact on the link capacity. Thus, characterizing the interference is critical in understanding and improving the...
Provided by Stony Brook University
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White Papers
Light-Weight Contour Tracking in Wireless Sensor Networks
January 15, 2008, 12:00am PST
This paper explains the problem of contour tracking with binary sensors, an important problem for monitoring spatial signals and tracking group targets. In particular, the authors track the...
Provided by Stony Brook University
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White Papers
Increasing Distributed Storage Survivability With a Stackable RAID-Like File System
January 1, 2010, 12:00am PST
This paper has designed a stackable file system called Redundant Array of Independent File-systems (RAIF). It combines the data survivability properties and performance benefits of traditional...
Provided by Stony Brook University
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White Papers
A Networked Robot System for Wireless Network Emulation
September 1, 2007, 12:00am PDT
A major barrier to advancing modern wireless networking research is the lack of an effective wireless network simulation platform that simultaneously offers high fidelity, scalability,...
Provided by Stony Brook University
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White Papers
The Blind Stone Tablet: Outsourcing Durability to Untrusted Parties
November 18, 2008, 12:00am PST
This paper introduces a new paradigm for outsourcing the durability property of a multi-client transactional database to an untrusted service provider. Specifically, the authors enable untrusted...
Provided by Stony Brook University
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White Papers
In-Network Coding for Resilient Sensor Data Storage and Efficient Data Mule Collection
June 15, 2010, 12:00am PDT
In a sensor network of n nodes in which k of them have sensed interesting data, the authors perform in-network erasure coding such that each node stores a linear combination of all the network...
Provided by Stony Brook University
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White Papers
To Cloud or Not to Cloud? Musings on Costs and Viability
October 21, 2010, 12:00am PDT
This paper aim to understand the types of applications for which cloud computing is economically tenable, i.e., for which the cost savings associated with cloud placement outweigh any associated...
Provided by Stony Brook University
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White Papers
VoIP on Wireless Meshes: Models, Algorithms and Evaluation
January 1, 2010, 12:00am PST
The paper studies the problem of supporting VoIP calls in a wireless mesh network. Specifically, the paper proposes solutions for Call Admission Control (CAC) and route selection for VoIP calls....
Provided by Stony Brook University
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White Papers
Implementation and Evaluation of a Mobile Tetherless VoIP/PSTN Gateway
January 6, 2009, 12:00am PST
This paper talks about the implementation and evaluation of a mobile tether-less VoIP/PSTN gateway. The internet, which is the IP-based packet-switched network, and Public-circuit Switched...
Provided by Stony Brook University
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White Papers
Portable and Efficient Continuous Data Protection for Network File Servers
January 1, 2010, 12:00am PST
Continuous Data Protection (CDP) is a critical building block that quickly repairs damage to a file system due to malicious attacks or innocent human errors. This paper describes a user-level...
Provided by Stony Brook University
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White Papers
A Model for Teaching Mobile Application Development for Social Changes: Implementation and Lessons Learned in Senegal
October 30, 2009, 12:00am PDT
Africa happens to be one of the fastest growing mobile phone market in the world today. Though, the data shows that there are still very limited numbers of mobile phone applications in the...
Provided by Stony Brook University
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White Papers
Practical Proactive Integrity Preservation: A Basis for Malware Defense
January 1, 2010, 12:00am PST
Unlike today's reactive approaches, information flow based approaches can provide positive assurances about overall system integrity, and hence can defend against sophisticated malware. However,...
Provided by Stony Brook University
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White Papers
An Efficient Black-Box Technique for Defeating Web Application Attacks
September 24, 2009, 12:00am PDT
For most web applications, this interception may be achieved using network layer interposition or library interposition. It then develops a class of policies called syntax- and taint-aware...
Provided by Stony Brook University
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White Papers
Address Obfuscation: An Efficient Approach to Combat a Broad Range of Memory Error Exploits
January 1, 2009, 12:00am PST
Attacks which exploit memory programming errors (such as buffer overflows) are one of today's most serious security threats. These attacks require an attacker to have an in-depth understanding of...
Provided by Stony Brook University
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White Papers
Expanding Malware Defense by Securing Software Installations
January 1, 2009, 12:00am PST
Software installation provides an attractive entry vector for malware: since installations are performed with administrator privileges, malware can easily get the enhanced level of access needed...
Provided by Stony Brook University
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White Papers
A Localized Multi-Hop Desynchronization Algorithm for Wireless Sensor Networks
January 22, 2009, 12:00am PST
This paper presents a new desynchronization algorithm aimed at providing collision-free transmission scheduling for single-hop and acyclic multi-hop wireless sensor networks. The desynchronization...
Provided by Stony Brook University
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