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North Carolina State University
(245 results)-
White Papers
SigLM: Signature-Driven Load Management for Cloud Computing Infrastructures
September 4, 2009, 12:00am PDT
Cloud computing has emerged as a promising platform that grants users with direct yet shared access to computing resources and services without worrying about the internal complex infrastructure....
Provided by North Carolina State University
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White Papers
Service Performance and Analysis in Cloud Computing
February 14, 2009, 12:00am PST
Cloud computing is a new cost-efficient computing paradigm in which information and computer power can be accessed from a Web browser by customers. Understanding the characteristics of computer...
Provided by North Carolina State University
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White Papers
Authenticated Data Compression in Delay Tolerant Wireless Sensor Networks
June 22, 2009, 12:00am PDT
Delay Tolerant Wireless Sensor Networks (DTWSNs) are sensor networks where continuous connectivity between the sensor nodes and their final destinations (e.g., the base station) cannot be...
Provided by North Carolina State University
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White Papers
The Role of Internet Service Providers in Cyber Security
June 1, 2009, 12:00am PDT
The current level of insecurity of the Internet is a worldwide problem that has resulted in a multitude of costs for businesses, governments, and individuals. Past research (e.g., Frith, 2005;...
Provided by North Carolina State University
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White Papers
Modeling System Calls for Intrusion Detection With Dynamic Window Sizes
January 1, 2009, 12:00am PST
It extends prior research on system call anomaly detection modeling methods for intrusion detection by incorporating dynamic window sizes. The window size is the length of the subsequence of a...
Provided by North Carolina State University
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White Papers
Recreating an Excel-Based Report With SAS and ODS
December 2, 2008, 12:00am PST
One of the best features of Excel is the ease with which a paper-based report can be compiled to include data tables and charts on the same page, all with easily controlled fonts, colors and...
Provided by North Carolina State University
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White Papers
Ideas and Examples in Generalized Linear Mixed Models
March 19, 2010, 12:00am PDT
This paper discusses generalized mixed models. The word "Mixed" refers to models with random effects. The word "Generalized" refers to nonnormal distributions for the response variable. Two of the...
Provided by North Carolina State University
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Whitepapers
PREPARE: Predictive Performance Anomaly Prevention for Virtualized Cloud Systems
April 24, 2012, 12:00am PDT
Virtualized cloud systems are prone to performance anomalies due to various reasons such as resource contentions, software bugs, and hardware failures. In this paper, the authors present a novel...
Provided by North Carolina State University
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White Papers
Teaching and Learning Mathematics With Interactive Spreadsheets
January 1, 2010, 12:00am PST
Learning to teach mathematics at the middle and secondary levels should include many opportunities for teachers to learn how to use technology o better understand mathematics themselves and...
Provided by North Carolina State University
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White Papers
SAS for Green Energy Solutions in Smart Electric Grid Systems
April 6, 2010, 12:00am PDT
This research paper proposes a data-analytic approach for making optimum utilization of solar energy generated by solar photovoltaic panels to reduce peak demand on advanced electric grid systems....
Provided by North Carolina State University
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White Papers
A Performance Study of an Optical Burst Switched Network With Dynamic Simultaneous Link Possesion
January 1, 2010, 12:00am PST
In Optical Burst Switched (OBS) networks a burst may occupy a wavelength on one or more links as it travels through the network. In the literature, OBS networks have been analyzed assuming that...
Provided by North Carolina State University
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White Papers
The FREEDM Architecture of Fault Tolerant Network Routing through Software Overlays
April 29, 2009, 12:00am PDT
Control decisions of intelligent devices in critical infrastructure can have a significant impact on human life and the environment. Insuring that the appropriate data is available is crucial in...
Provided by North Carolina State University
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White Papers
Enabling Persistent Web Services Via Commitments
January 1, 2010, 12:00am PST
Web services are gaining popularity for supporting reusable business, process across distributed and heterogeneous environments. Current Web services are understood as taking inputs, executing...
Provided by North Carolina State University
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White Papers
IT Infrastructure Problems for Asset Management
August 9, 2007, 12:00am PDT
This paper seeks to address Information Technology (IT) problems that emerge when developing an overall asset management system for high volume assets and to identify their unique characteristics....
Provided by North Carolina State University
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White Papers
Data Quality Management, Data Cleansing, and Discrepancy Reporting
December 2, 2008, 12:00am PST
Whether ones data comes in the form of SAS datasets or in another form, Data Quality Management and Data Cleansing are a must. With Data Cleansing comes Discrepancy reporting. This paper covers...
Provided by North Carolina State University
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White Papers
Routing and Wavelength Assignment in Optical WDM Networks
January 1, 2010, 12:00am PST
A basic property of single mode optical fiber is its enormous low-loss bandwidth of several tens of Terahertz. However, due to dispersive effects and limitations in optical device technology,...
Provided by North Carolina State University
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White Papers
Aggregation Network Design Methodologies for Triple Play Services
November 20, 2009, 12:00am PST
Triple-play services and P2P IPTV have not only led to an increasing demand for bandwidth in broadband access networks, but also to the need for new service delivery architectures. The choice of...
Provided by North Carolina State University
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White Papers
Hybrid Slow Start for High-Bandwidth and Long-Distance Networks
February 29, 2008, 12:00am PST
Slow Start is a technique to probe for unknown and time-varying available bandwidth of a network path. A sender increases its congestion window by one for each ACK received when ACKs are not...
Provided by North Carolina State University
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White Papers
Secure and DoS-Resistant Code Dissemination in Wireless Sensor Networks Using Seluge (Demo Abstract)
February 18, 2008, 12:00am PST
A wireless sensor network is expected to consist of a potentially large number of low-cost, low-power, and multifunctional sensor nodes that communicate over short distances through wireless...
Provided by North Carolina State University
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White Papers
Transparent Protection of Commodity OS Kernels Using Hardware Virtualization
June 21, 2010, 12:00am PDT
Kernel rootkits are among the most insidious threats to computer security today. By employing various code injection techniques, they are able to maintain an omnipotent presence in the compromised...
Provided by North Carolina State University
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White Papers
Cloud Computing - Issues, Research and Implementations
December 23, 2008, 12:00am PST
Cloud computing - a relatively recent term, builds on decades of research in virtualization, distributed computing, utility computing, and more recently networking, web and software services. It...
Provided by North Carolina State University
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White Papers
Using Focus Groups In Preliminary Instrument Development: Expected And Unexpected Lessons Learned
July 29, 2010, 12:00am PDT
Focus groups can be utilized effectively across various stages of instrument development. This paper details selected aspects of a process in which they were employed at the initial stages of item...
Provided by North Carolina State University
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White Papers
Towards Feasibility and Scalability of Text Search in Peer-to-Peer Systems
November 10, 2007, 12:00am PST
This paper introduces a search engine, Dgoogle, designed for large scale P2P systems. Dgoogle is purely text-based, does not organize documents based on pre-defined keywords or based on their...
Provided by North Carolina State University
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White Papers
A Value-Based Energy Manager for Wireless Sensor Networks
March 3, 2010, 12:00am PST
Recent research in Wireless Sensor Networks (WSNs) focuses on the definition of a re-useable software module to encapsulate energy management concerns. One such paper defines an Energy Management...
Provided by North Carolina State University
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White Papers
PRESS: PRedictive Elastic ReSource Scaling for Cloud Systems
January 4, 2011, 12:00am PST
Cloud systems require elastic resource allocation to minimize resource provisioning costs while meeting Service Level Objectives (SLOs). In this paper, the authors present a novel PRedictive...
Provided by North Carolina State University
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White Papers
Kernel Malware Analysis With Un-Tampered and Temporal Views of Dynamic Kernel Memory
June 20, 2010, 12:00am PDT
Dynamic kernel memory has been a popular target of recent kernel malware due to the difficulty of determining the status of volatile dynamic kernel objects. Some existing approaches use kernel...
Provided by North Carolina State University
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White Papers
DKSM: Subverting Virtual Machine Introspection for Fun and Profit
August 12, 2010, 12:00am PDT
Virtual Machine (VM) introspection is a powerful technique for determining the specific aspects of guest VM execution from outside the VM. Unfortunately, existing introspection solutions share a...
Provided by North Carolina State University
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White Papers
Defeating Dynamic Data Kernel Rootkit Attacks Via VMM-Based Guest-Transparent Monitoring
December 20, 2008, 12:00am PST
Targeting the operating system kernel, the core of trust in a system, kernel rootkits are able to compromise the entire system, placing it under malicious control, while eluding detection efforts....
Provided by North Carolina State University
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White Papers
Toward Predictive Failure Management for Distributed Stream Processing Systems
March 16, 2008, 12:00am PDT
Distributed Stream Processing Systems (DSPSs) have many important applications such as sensor data analysis, network security, and business intelligence. Failure management is essential for DSPSs...
Provided by North Carolina State University
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White Papers
Applying the Mu-Calculus in Planning and Reasoning About Action
April 9, 2008, 12:00am PDT
Planning algorithms have traditionally been geared toward achievement goals in single-agent environments. Such algorithms essentially produce plans to reach one of a specified set of states. More...
Provided by North Carolina State University
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White Papers
Visualizing Multidimensional Query Results Using Animation
January 7, 2008, 12:00am PST
Effective representation of large, complex collections of information (Datasets) presents a difficult challenge. Visualization is a solution that uses a visual interface to support efficient...
Provided by North Carolina State University
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White Papers
ChipViz: Visualizing Memory Chip Test Data
January 7, 2008, 12:00am PST
This paper presents a technique that allows test engineers to visually analyze and explore within memory chip test data. The authors represent the test results from a generation of chips along a...
Provided by North Carolina State University
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White Papers
Methodology for Engineering Affective Social Applications
September 25, 2009, 12:00am PDT
Affective applications are becoming increasingly mainstream in entertainment and education. Yet, current techniques for building such applications are limited, and the maintenance and use of...
Provided by North Carolina State University
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White Papers
Protocol Refinement: Formalization and Verification
March 15, 2010, 12:00am PDT
A proper definition of protocols and protocol refinement is crucial to designing multiagent systems. Rigidly defined protocols can require significant rework for even minor changes. Loosely...
Provided by North Carolina State University
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White Papers
Trustworthy Service Caching: Cooperative Search in P2P Information Systems
January 1, 2011, 12:00am PST
The authors are developing an approach for P2P information systems, where the peers are modeled as autonomous agents. Agents provide services or give referrals to one another to help find...
Provided by North Carolina State University
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White Papers
Correctness Properties for Multiagent Systems
July 20, 2009, 12:00am PDT
What distinguishes multiagent systems from other software systems is their emphasis on the interactions among autonomous, heterogeneous agents. This paper motivates and characterizes correctness...
Provided by North Carolina State University
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White Papers
Automating Spoken Dialogue Systems
March 13, 2008, 12:00am PDT
Spoken dialogue interfaces apply in a number of applications. Engaging in meaningful conversation presupposes the ability to recognize and generate different conversational moves, and to...
Provided by North Carolina State University
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White Papers
Business Modeling Via Commitments
July 23, 2009, 12:00am PDT
Existing computer science approaches to business modeling offer low-level abstractions such as data and control flows, which fail to capture the business intent underlying the interactions that...
Provided by North Carolina State University
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White Papers
An Architecture for Multiagent Systems: An Approach Based on Commitments
August 15, 2009, 12:00am PDT
Existing architectures for multiagent systems emphasize low-level messaging-related considerations. As a result, the programming abstractions they provide are also low level. In recent years,...
Provided by North Carolina State University
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White Papers
From Quality to Utility: Adaptive Service Selection Framework
August 24, 2010, 12:00am PDT
The authors consider an approach to service selection wherein service consumers choose services with desired nonfunctional properties to maximize their utility. A consumer's utility from using a...
Provided by North Carolina State University
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Whitepapers
Parallel All Pairs Similarity Search
February 25, 2010, 12:00am PST
In this paper, the authors present the first scalable parallel solution for the All Pairs Similarity Search (APSS) problem, which involves finding all pairs of data records that have a similarity...
Provided by North Carolina State University
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Whitepapers
Hybrid Resource Allocation Scheme in Two-Hop Relaying WiMAX Networks
September 16, 2011, 12:00am PDT
In this paper, the authors consider resource allocation schemes in two-hop relaying WiMAX networks in order to maximize cell throughput, while serving the Subscriber Stations (SSs) in a fair...
Provided by North Carolina State University
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Whitepapers
Optimal Resource Allocation in Multihop Relay-Enhanced WiMAX Networks
January 7, 2011, 12:00am PST
Multihop relaying in WiMAX networks is considered an increasingly attractive technology for providing throughput enhancement, coverage extension, or both. In this paper, the authors consider...
Provided by North Carolina State University
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Whitepapers
Advertising Cached Contents in the Control Plane: Necessity and Feasibility
April 3, 2012, 12:00am PDT
A key feature of Information-Centric Networking architectures is universal caching where anyone can cache any content and users can obtain the content from anywhere as long as the content itself...
Provided by North Carolina State University
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Whitepapers
QuickSense: Fast and Energy-Efficient Channel Sensing for Dynamic Spectrum Access Networks
January 16, 2013, 12:00am PST
Spectrum sensing, the task of discovering spectrum usage at a given location, is a fundamental problem in dynamic spectrum access networks. While sensing in narrow spectrum bands is well studied...
Provided by North Carolina State University
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Whitepapers
On the Expressiveness of Return-Into-Libc Attacks
June 21, 2011, 12:00am PDT
Return-Into-LibC (RILC) is one of the most common forms of code-reuse attacks. In this attack, an intruder uses a buffer overflow or other exploit to redirect control flow through existing (libc)...
Provided by North Carolina State University
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Whitepapers
Collaborative Assessment of Functional Reliability in Wireless Networks
September 28, 2012, 12:00am PDT
Nodes that are part of a multi-hop wireless network, typically deployed in mission critical settings, are expected to perform specific functions. Establishing a notion of reliability of the nodes...
Provided by North Carolina State University
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Whitepapers
Time-Traveling Forensic Analysis of VM-Based High-Interaction Honeypots
November 27, 2011, 12:00am PST
Honeypots have proven to be an effective tool to capture computer intrusions (or malware infections) and analyze their exploitation techniques. However, forensic analysis of compromised honeypots...
Provided by North Carolina State University
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Whitepapers
Systematic Detection of Capability Leaks in Stock Android Smartphones
November 28, 2011, 12:00am PST
Recent years have witnessed a meteoric increase in the adoption of Smartphones. To manage information and features on such phones, Android provides a permission-based security model that requires...
Provided by North Carolina State University
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Whitepapers
Hey, You, Get Off of My Market: Detecting Malicious Apps in Official and Alternative Android Markets
January 6, 2012, 12:00am PST
In this paper, the authors present a systematic study for the detection of malicious applications (or apps) on popular Android Markets. To this end, they first propose a permission-based...
Provided by North Carolina State University
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Whitepapers
Dissecting Android Malware: Characterization and Evolution
March 8, 2012, 12:00am PST
The popularity and adoption of Smartphones has greatly stimulated the spread of mobile malware, especially on the popular platforms such as Android. In light of their rapid growth, there is a...
Provided by North Carolina State University
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Whitepapers
Taming Hosted Hypervisors With (Mostly) Deprivileged Execution
February 22, 2013, 12:00am PST
Recent years have witnessed increased adoption of hosted hypervisors in virtualized computer systems. By non-intrusively extending commodity OSs, hosted hypervisors can effectively take advantage...
Provided by North Carolina State University
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Whitepapers
Tracking the Trackers: Fast and Scalable Dynamic Analysis of Web Content for Privacy Violations
July 11, 2012, 12:00am PDT
JavaScript-based applications are very popular on the web today. However, the lack of effective protection makes various kinds of privacy violation attack possible, including cookie stealing,...
Provided by North Carolina State University
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Whitepapers
Using Address Independent Seed Encryption and Bonsai Merkle Trees to Make Secure Processors OSand PerformanceFriendly
September 12, 2007, 12:00am PDT
In today's digital world, computer security issues have become increasingly important. In particular, researchers have proposed designs for secure processors which utilize hardware-based memory...
Provided by North Carolina State University
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Whitepapers
Directory-Oblivious Capacity Sharing in Tiled CMPs
February 16, 2013, 12:00am PST
In bus-based CMPs with private caches, Capacity Sharing is applied by spilling victim cache blocks from over-utilized caches to under-utilized ones. If a spilled block is needed, it can be...
Provided by North Carolina State University
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Whitepapers
SHIELDSTRAP: A Secure Bootstrap Architecture
June 2, 2009, 12:00am PDT
Many systems may have security requirements such as protecting the privacy of data and code stored in the system, ensuring integrity of computations, or preventing the execution of unauthorized...
Provided by North Carolina State University
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Whitepapers
Memory Management Thread for Heap Allocation Intensive Sequential Applications
September 13, 2009, 12:00am PDT
Dynamic memory management is one of the most ubiquitous and expensive operations in many C/C++ applications. Some C/C++ programs might spend up to one third of their execution time in dynamic...
Provided by North Carolina State University
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Whitepapers
SHIELDSTRAP: Making Secure Processors Truly Secure
August 24, 2009, 12:00am PDT
Many systems may have security requirements such as protecting the privacy of data and code stored in the system, ensuring integrity of computations, or preventing the execution of unauthorized...
Provided by North Carolina State University
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Whitepapers
Understanding the Limits of Capacity Sharing in CMP Private Caches
May 11, 2012, 12:00am PDT
Chip Multi Processor (CMP) systems present interesting design challenges at the lower levels of the cache hierarchy. Private L2 caches allow easier processor-cache design reuse, thus scaling...
Provided by North Carolina State University
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Whitepapers
Defining Anomalous Behavior for Phase Change Memory
December 15, 2009, 12:00am PST
Traditional memory systems based on memory technologies such as DRAM are fast approaching their cost and power limits. Alternative memory technologies such as Phase Change Memory (PCM) are being...
Provided by North Carolina State University
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Whitepapers
Architectural Framework for Supporting Operating System Survivability
December 13, 2010, 12:00am PST
The ever increasing size and complexity of Operating System (OS) kernel code bring an inevitable increase in the number of security vulnerabilities that can be exploited by attackers. A successful...
Provided by North Carolina State University
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Whitepapers
Impact of Data Sharing on CMP Design: A Study Based on Analytical Modeling
January 13, 2011, 12:00am PST
Over the past few years, Chip Multi Processor (CMP) architecture has become the dominating hardware architecture across a spectrum of computing machinery - personal computing devices,...
Provided by North Carolina State University
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Whitepapers
Data Sharing in MultiThreaded Applications and Its Impact on Chip Design
February 10, 2012, 12:00am PST
Analytical modeling is becoming an increasingly important technique used in the design of chip multiprocessors. Most such models assume multi-programmed workload mixes and either ignore or...
Provided by North Carolina State University
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Whitepapers
Evaluating Dynamics and Bottlenecks of Memory Collaboration in Cluster Systems
February 29, 2012, 12:00am PST
With the fast development of highly-integrated distributed systems (cluster systems), designers face interesting memory hierarchy design choices while attempting to avoid the notorious disk...
Provided by North Carolina State University
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Whitepapers
Flexible Capacity Partitioning in Many-Core Tiled CMPs
January 27, 2013, 12:00am PST
Chip Multi-Processors (CMP) have become a mainstream computing platform. As transistor density shrinks and the number of cores increases, more scalable CMP architectures will emerge. Recently,...
Provided by North Carolina State University
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Whitepapers
Hierarchical Grooming in Multigranular Networks
December 2, 2007, 12:00am PST
Future optical networks are expected to carry traffic demands that range in size from sub-to super-wavelength. To ensure that resources are utilized efficiently, traffic demands must be aggregated...
Provided by North Carolina State University
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Whitepapers
Evaluation of SIP Proxy Server Performance: Packet-Level Measurements and Queuing Model
July 15, 2011, 12:00am PDT
The growing number of applications that use the Session Initiation Protocol (SIP) to manage media sessions over IP is placing increasing demands on the SIP Proxy Servers (SPS) that make up the...
Provided by North Carolina State University
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Whitepapers
An Efficient Algorithm for Solving Traffic Grooming Problems in Optical Networks
September 15, 2012, 12:00am PDT
The authors consider the Virtual Topology and Traffic Routing (VTTR) problem, a sub-problem of traffic grooming that arises as a fundamental network design problem in optical networks. The...
Provided by North Carolina State University
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Whitepapers
Scalable Optimal Traffic Grooming in WDM Rings Incorporating Fast RWA Formulation
September 14, 2012, 12:00am PDT
The authors present a scalable formulation for the traffic grooming problem in WDM ring networks. Specifically, they modify the ILP formulation to replace the constraints related to Routing and...
Provided by North Carolina State University
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Whitepapers
From Glauber Dynamics to Metropolis Algorithm: Smaller Delay in Optimal CSMA
June 4, 2012, 12:00am PDT
Since the seminal work by Tassiulas and Ephremides on throughput-optimal scheduling, referred to as Max-Weight, a huge array of research has been made to develop distributed MAC scheduling with...
Provided by North Carolina State University
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Whitepapers
Characterizing Link Connectivity for Opportunistic Mobile Networking: Does Mobility Suffice?
January 11, 2013, 12:00am PST
With recent drastic growth in the number of users carrying smart mobile devices, it is not hard to envision opportunistic ad-hoc communications taking place with such devices carried by humans....
Provided by North Carolina State University
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Whitepapers
On the Accurate Identification of Network Service Dependencies in Distributed Systems
November 5, 2012, 12:00am PST
The automated identification of network service dependencies remains a challenging problem in the administration of large distributed systems. Advances in developing solutions for this problem...
Provided by North Carolina State University
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Whitepapers
Reducing Data Movement Costs Using Energy-Efficient, Active Computation on SSD
September 13, 2012, 12:00am PDT
Modern scientific discovery often involves running complex application simulations on supercomputers, followed by a sequence of data analysis tasks on smaller clusters. This offline approach...
Provided by North Carolina State University
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Whitepapers
Packet Aggregation Based Back-Pressure Scheduling in Multi-Hop Wireless Networks
March 12, 2012, 12:00am PDT
The back-pressure based scheduling policy originally proposed by Tassiulas et al. in has shown the potential of solving many fairness and network utilization related problems of wireless multi-hop...
Provided by North Carolina State University
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Whitepapers
Energy Efficient Iterative Waterfilling for the MIMO Broadcasting Channels
March 12, 2012, 12:00am PDT
Optimizing Energy Efficiency (EE) for the MIMO Broadcasting Channels (BC) is considered in this paper, where a practical power model is taken into account. Although the EE of the MIMO BC is...
Provided by North Carolina State University
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Whitepapers
An Algorithm for Joint Guidance and Power Control for Electric Vehicles in the Smart Grid
May 24, 2012, 12:00am PDT
A massive amount of energy consumption currently stems from the transportation sector. Therefore, improvements in power usage by commuting vehicles are being studied and becoming an increasingly...
Provided by North Carolina State University
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Whitepapers
Enabling Adaptive Rate and Relay Selection for 802.11 Mobile Ad Hoc Networks
May 24, 2012, 12:00am PDT
Mobile Ad hoc NETworks (MANETs) are self-configuring wireless networks that lack permanent infrastructure and are formed among mobile nodes on demand. Rapid node mobility results in dramatic...
Provided by North Carolina State University
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Whitepapers
Fundamental Capacity Limits on Compact MIMO-OFDM Systems
May 24, 2012, 12:00am PDT
The authors undertake an information-theoretic approach to characterize the optimal design of a broadband multi-antenna system in the presence of mutual coupling. It was shown recently that mutual...
Provided by North Carolina State University
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Whitepapers
Communication Theory Perspective on Antenna Selection for Compact Transceivers
May 24, 2012, 12:00am PDT
Traditional antenna selection applied to MIMO systems ignores the presence of unselected (or inactive) antennas. However, compact arrays offer a unique advantage in that mutual coupling can be...
Provided by North Carolina State University
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Whitepapers
On the Connectivity of Large Multi-Channel Cognitive Radio Networks
May 24, 2012, 12:00am PDT
Cognitive Radio Networks (CRNs) have become promising network components to improve spectrum utilization efficiency, where secondary (unlicensed) users exploit spectrum opportunistically without...
Provided by North Carolina State University
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