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Rice University
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Comp 511 Project: A Staged Interpreter for Featherweight Java
January 1, 2008, 12:00am PST
The staged interpreter presented in this paper is very specific: it breaks execution into several stages with respect to the values that must be supplied to the methods that are invoked in a...
Provided by Rice University
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White Papers
Congestion Control and Channel Assignment in Multi-Radio Wireless Mesh Networks
April 4, 2008, 12:00am PDT
This paper addresses the problem of congestion control in multi-radio, multi-channel, wireless mesh networks. Compared to its single radio counterpart for which solutions exist, this problem is...
Provided by Rice University
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White Papers
PodBase: Transparent Storage Management for Personal Devices
January 25, 2008, 12:00am PST
Personal electronic devices that include a large amount of storage are increasingly common. Already, many households use multiple mobile phones, digital cameras, MP3 players and gaming devices, in...
Provided by Rice University
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Optimizing Network Virtualization in Xen
January 1, 2010, 12:00am PST
This paper reports on improvements to Xen's networking performance resulting from the re-design and the re-implementation of certain aspects of its network virtualization and better support for...
Provided by Rice University
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The Impact of Virtualization on Network Performance of Amazon EC2 Data Center
December 22, 2009, 12:00am PST
Cloud computing services allow users to lease computing resources from large scale data centers operated by service providers. Using cloud services, users can deploy a wide variety of applications...
Provided by Rice University
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White Papers
I/O Virtualization Bottlenecks in Cloud Computing Today
March 6, 2010, 12:00am PST
Cloud computing is gaining popularity as a way to virtualize the datacenter and increase flexibility in the use of computation resources. This type of system is best exemplified by Amazon's...
Provided by Rice University
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White Papers
Your Data Center Is a Router: The Case for Reconfigurable Optical Circuit Switched Paths
December 22, 2009, 12:00am PST
This paper is an attempt to show the feasibility of using circuit-switched optical paths in data centers. The paper not only shows that a small number of optical paths can significantly relieve...
Provided by Rice University
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White Papers
Securing Quality-of-Service Route Discovery in On-Demand Routing for Ad Hoc Networks
October 25, 2009, 12:00am PDT
An ad hoc network is defined as the collection of computers (nodes) that work together by forwarding packets for each other over a multi-hop wireless network. Users connect through an ad hoc...
Provided by Rice University
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White Papers
Better Operating System Features for Faster Network Servers
January 1, 2010, 12:00am PST
Widely-used operating systems provide inadequate support for large-scale Internet server applications. Their algorithms and interfaces fail to efficiently support either event-driven or...
Provided by Rice University
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White Papers
Lazy Receiver Processing (LRP): A Network Subsystem Architecture for Server Systems
January 1, 2010, 12:00am PST
The explosive growth of the Internet, the widespread use of WWW-related applications, and the increased reliance on client-server architectures places interesting new demands on network servers....
Provided by Rice University
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QoS-Driven Server Migration for Internet Data Centers
January 1, 2010, 12:00am PST
Many organizations have chosen to host Internet applications at Internet Data Centers (IDCs) located near network access points of the Internet to take advantage of their high availability, large...
Provided by Rice University
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White Papers
Implicit Source Routes for On Demand Ad Hoc Network Routing
January 1, 2010, 12:00am PST
In an ad hoc network, the use of source routing has many advantages, including simplicity, correctness, and flexibility. For example, all routing decisions for a packet are made by the sender of...
Provided by Rice University
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White Papers
Performance Analysis of TLS Web Servers
January 1, 2010, 12:00am PST
TLS is the protocol of choice for securing today's ecommerce and online transactions, but adding TLS to a web server imposes a significant overhead relative to an insecure web server on the same...
Provided by Rice University
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pathChirp: A Light-Weight Available Bandwidth Estimation Tool for Network-Aware Applications
January 1, 2010, 12:00am PST
Many grid computing applications require massive data transfers for distributed analysis. Knowledge of network properties like the available bandwidth along the communication paths between grid...
Provided by Rice University
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White Papers
Power Scheduling for Wireless Sensor and Actuator Networks
January 1, 2010, 12:00am PST
The authors previously presented a model for some Wireless Sensor and Actuator Network (WSAN) applications based on the vector space tools of frame theory. In this WSAN model there is a weight...
Provided by Rice University
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White Papers
Configurable and Scalable Turbo Decoder for 4G Wireless Receivers
November 3, 2009, 12:00am PST
The increasing requirements of high data rates and Quality of Service (QoS) in Fourth-Generation (4G) wireless communication require the implementation of practical capacity approaching codes. In...
Provided by Rice University
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Routing Primitives for Wireless Mesh Networks: Design, Analysis and Experiments
December 23, 2009, 12:00am PST
In this paper, the authors consider routing in multi-hop wireless mesh networks. They analyze three standardized and commonly deployed routing mechanisms that they term "Nodepair discovery"...
Provided by Rice University
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SEAD: Secure Efficient Distance Vector Routing for Mobile Wireless Ad Hoc Networks
January 1, 2010, 12:00am PST
An ad hoc network is a collection of wireless computers (Nodes), communicating among themselves over possibly multihop paths, without the help of any infrastructure such as base stations or access...
Provided by Rice University
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White Papers
Forward Error Correction Decoding for WiMAX and 3GPP LTE Modems
June 10, 2009, 12:00am PDT
In this paper, the authors review the requirements for Forward Error Correction (FEC) decoding for next generation wireless modems - mobile Worldwide Interoperability for Microwave Access (WiMAX)...
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Explaining the Impact of Network Transport Protocols on SIP Proxy Performance
February 27, 2008, 12:00am PST
This paper characterizes the impact that the use of UDP versus TCP has on the performance and scalability of the OpenSER SIP proxy server. The Session Initiation Protocol (SIP) is an...
Provided by Rice University
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Leadership Communication: A Communication Approach For Senior-Level Managers
August 9, 2009, 12:00am PDT
A leader must be able to communicate effectively. When CEOs and other senior executives in all industries and countries are asked to list the most important skills a manager must possess, the...
Provided by Rice University
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White Papers
Energy Policy In The Obama Administration
June 4, 2010, 12:00am PDT
Change and innovation are unfolding at a rapid pace in the energy sector propelled by an influx of new entrepreneurial players entering the marketplace with capital, novel investment and business...
Provided by Rice University
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A Resource Management Framework for Predictable Quality of Service in Web Servers
January 1, 2011, 12:00am PST
This paper presents a resource management framework for providing predictable quality of service in Web servers. The framework allows Web server and proxy operators to ensure a minimal quality of...
Provided by Rice University
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White Papers
Reflex: Managing Sensor Data Processing in Mobile Systems
March 15, 2010, 12:00am PDT
Many emerging mobile services leverage sensors available on mobile systems to acquire information regarding the physical world through sensory data processing, in order to serve human users...
Provided by Rice University
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LiveLab: Measuring Wireless Networks and Smartphone Users in the Field
January 11, 2011, 12:00am PST
The authors present LiveLab, a methodology to measure real-world smartphone usage and wireless networks with a reprogrammable in-device logger designed for long-term user studies. They discuss the...
Provided by Rice University
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A Longitudinal Study of Non-Voice Mobile Phone Usage by Teens From an Underserved Urban Community
May 17, 2009, 12:00am PDT
The authors report a user study of over four months on the non-voice usage of mobile phones by teens from an underserved urban community in the USA where a community-wide, open-access Wi-Fi...
Provided by Rice University
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Elastic Rate Limiting for Spatially Biased Wireless Mesh Networks
December 20, 2009, 12:00am PST
In this paper, the authors show that it is sufficient to rate limit the single-hop nodes in order to give transmission opportunities to all other nodes. Based on this observation, they develop a...
Provided by Rice University
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Distance-1 Constrained Channel Assignment in Single Radio Wireless Mesh Networks
January 15, 2008, 12:00am PST
This paper addresses channel assignment and random medium access design for single-radio multi-channel mesh networks. Two prior approaches include: Designing MAC protocols that dynamically select...
Provided by Rice University
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White Papers
Fair Randomized Antenna Allocation in Asynchronous MIMO Multi-Hop Networks
May 22, 2008, 12:00am PDT
Previous work has shown that CSMA-based protocols such as the IEEE 802.11 can yield flow starvation in multihop wireless networks. While prior protocol designs alleviated such starvation by...
Provided by Rice University
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White Papers
Adding Capacity Points to a Wireless Mesh Network Using Local Search
January 1, 2011, 12:00am PST
Wireless mesh network deployments are popular as a cost-effective means to provide broadband connectivity to large user populations. As the network usage grows, network planners need to evolve an...
Provided by Rice University
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White Papers
Measurement and Modeling of the Origins of Starvation in Congestion Controlled Mesh Networks
January 15, 2008, 12:00am PST
Significant progress has been made in understanding the behavior of TCP and congestion-controlled traffic over multihop wireless networks. Despite these advances, however, no prior work identified...
Provided by Rice University
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White Papers
Mobile TCP Usage Characteristics and the Feasibility of Network Migration Without Infrastructure Support
September 30, 2010, 12:00am PDT
In this poster the authors describe initial findings regarding Internet usage characteristics, in particular TCP flows from a field study with 25 iPhone users. The authors present details...
Provided by Rice University
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Identifying High Throughput Paths in 802.11 Mesh Networks: A Model-Based Approach
September 5, 2007, 12:00am PDT
The authors address the problem of identifying high throughput paths in 802.11 wireless mesh networks. They introduce an analytical model that accurately captures the 802.11 MAC protocol operation...
Provided by Rice University
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White Papers
Tax-Benefit Incidence Of Value Added Tax On Food And Medicine To Fund Progressive Social Expenditure
March 1, 2011, 12:00am PST
In 2009, the Mexican Congress received a proposal of a generalized 2% increase in the statutory VAT rate, including currently untaxed food and medicine. Whereas opponents emphasized the regressive...
Provided by Rice University
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The Case for Byzantine Fault Detection
January 1, 2011, 12:00am PST
Distributed systems are subject to a variety of faults and attacks. In this paper, the authors consider general (Byzantine) faults, i.e. a faulty node may exhibit arbitrary behavior. In...
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Experimental Evaluation of Optimal CSMA
January 15, 2011, 12:00am PST
By 'Optimal CSMA' the authors denote a promising approach to maximize throughput-based utility in wireless networks without message passing or synchronization among nodes. Despite the theoretical...
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Deploying Mesh Nodes Under Non-Uniform Propagation
December 21, 2009, 12:00am PST
Wireless mesh networks are popular as a cost-effective means to provide broadband connectivity to large user populations. A mesh network placement provides coverage, such that each target client...
Provided by Rice University
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Synchronized CSMA Contention: Model, Implementation and Evaluation
January 28, 2009, 12:00am PST
A class of CSMA protocols used in a broad range of wireless applications uses synchronized contention where nodes periodically contend at intervals of fixed duration. While several models exist...
Provided by Rice University
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White Papers
Performance Analysis of TLSWeb Servers
January 1, 2011, 12:00am PST
TLS is the protocol of choice for securing today's e-commerce and online transactions, but adding TLS to a web server imposes a significant overhead relative to an insecure web server on the same...
Provided by Rice University
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White Papers
Demonstration Abstract: WARP - A Flexible Platform for Clean-Slate Wireless Medium Access Protocol Design
January 16, 2008, 12:00am PST
Wireless open-Access Research Platform (WARP) is a programmable wireless research tool that is both scalable and extensible. The custom design of the WARP physical (PHY) layer is tailored to the...
Provided by Rice University
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Whitepapers
MOMMIE Knows Best: Systematic Optimizations for Verifiable Distributed Algorithms
April 13, 2011, 12:00am PDT
Complex distributed algorithms become running systems through an integration with optimizations that target the system's deployment environment. Although expedient, this approach has...
Provided by Rice University
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White Papers
On Constructing Efficient Shared Decision Trees for Multiple Packet Filters
December 21, 2009, 12:00am PST
Multiple packet filters serving different purposes (e.g., firewalling, QoS) and different virtual routers are often deployed on a single physical router. The HyperCuts decision tree is one...
Provided by Rice University
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White Papers
Maestro: A System for Scalable OpenFlow Control
January 1, 2012, 12:00am PST
The fundamental feature of an OpenFlow network is that the controller is responsible for the initial establishment of every flow by contacting related switches. Thus, the performance of the...
Provided by Rice University
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Analysis of Hadoop's Performance Under Failures
November 14, 2011, 12:00am PST
Failures are common in today's data center environment and can significantly impact the performance of important jobs running on top of large scale computing frameworks. In this paper, the authors...
Provided by Rice University
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Maestro: Balancing Fairness, Latency and Throughput in the OpenFlow Control Plane
December 20, 2011, 12:00am PST
The fundamental feature of an OpenFlow network is that the controller is responsible for the configuration of switches for every traffic flow. This feature brings programmability and flexibility,...
Provided by Rice University
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White Papers
Synergy2Cloud: Introducing Cross-Sharing of Application Experiences Into the Cloud Management Cycle
April 17, 2012, 12:00am PDT
Automatically managing collocated cloud applications for improved performance is a hard problem due to the unprecedented scale and the dynamics of the multiplexed cloud environment. Compounding...
Provided by Rice University
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ADAM: An Adaptive Beamforming System for Multicasting in Wireless LANs
January 16, 2012, 12:00am PST
The authors present the design and implementation of ADAM, the first adaptive beamforming based multicast system and experimental framework for indoor wireless environments. ADAM addresses the...
Provided by Rice University
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MIDAS: Inference and Mitigation of Hindering Transmissions in Managed 802.11 Wireless Networks
April 18, 2011, 12:00am PDT
In 802.11 managed wireless networks, the manager can address under-served links by rate-limiting the conflicting nodes. In order to determine to what extent each conflicting node is responsible...
Provided by Rice University
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Closed-Form Throughput Expressions for CSMA Networks With Collisions and Hidden Terminals
January 13, 2012, 12:00am PST
The authors present a novel modeling approach to derive closed-form throughput expressions for CSMA networks with hidden terminals. The key modeling principle is to break the interdependence of...
Provided by Rice University
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STROBE: Actively Securing Wireless Communications Using Zero-Forcing Beamforming
January 15, 2012, 12:00am PST
The authors present the design and experimental evaluation of Simultaneous TRansmission with Orthogonally Blinded Eavesdroppers (STROBE). STROBE is a cross-layer approach that exploits the...
Provided by Rice University
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Distilled Sensing: Adaptive Sampling for Sparse Detection and Estimation
May 27, 2010, 12:00am PDT
Adaptive sampling results in dramatic improvements in the recovery of sparse signals in white Gaussian noise. A sequential adaptive sampling-and-refinement procedure called Distilled Sensing (DS)...
Provided by Rice University
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Compressive Distilled Sensing: Sparse Recovery Using Adaptivity in Compressive Measurements
November 25, 2009, 12:00am PST
The recently-proposed theory of distilled sensing establishes that adaptivity in sampling can dramatically improve the performance of sparse recovery in noisy settings. In particular, it is now...
Provided by Rice University
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Effectively Presenting Call Path Profiles of Application Performance
October 22, 2010, 12:00am PDT
Call path profiling is a scalable measurement technique that has been shown to provide insight into the performance characteristics of complex modular programs. However, poor presentation of...
Provided by Rice University
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Inferring a Network Congestion Map With Zero Traffic Overhead
August 27, 2011, 12:00am PDT
This paper proposes a purely passive method for inferring a congestion map of a network. The congestion map is computed using the congestion markings carried in existing traffic, and is...
Provided by Rice University
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White Papers
Lightweight Secure PUFs
November 14, 2008, 12:00am PST
To ensure security and robustness of the next generation of Physically Unclonable Functions (PUFs), the authors have developed a new methodology for PUF design. The authors' approach employs...
Provided by Rice University
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Concurrent Collections
December 16, 2010, 12:00am PST
The authors introduce the Concurrent Collections (CnC) programming model. CnC supports flexible combinations of task and data parallelism while retaining determinism. CnC is implicitly parallel,...
Provided by Rice University
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Deterministic Reductions in an Asynchronous Parallel Language
March 9, 2011, 12:00am PST
Reduction operations are a common and important feature in many parallel programming models. In this paper, the authors present a new reduction construct for Concurrent Collections (CnC). CnC is a...
Provided by Rice University
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Caching Dynamic Web Content: Designing and Analysing an Aspect-Oriented Solution
January 1, 2012, 12:00am PST
Caching dynamic web content is an effective approach to reduce Internet latency and server load. An ideal caching solution is one that can be added transparently by the developers and provides...
Provided by Rice University
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The Hadoop Distributed Filesystem: Balancing Portability and Performance
January 29, 2010, 12:00am PST
Hadoop is a popular open-source implementation of MapReduce for the analysis of large datasets. To manage storage resources across the cluster, Hadoop uses a distributed user-level filesystem....
Provided by Rice University
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Smoothing a Program Soundly and Robustly
May 11, 2011, 12:00am PDT
The authors study the foundations of smooth interpretation, a recently-proposed program approximation scheme that facilitates the use of local numerical search techniques (e.g., gradient descent)...
Provided by Rice University
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Efficient Data Race Detection for Async-Finish Parallelism
October 28, 2010, 12:00am PDT
One of the major productivity hurdles for parallel programming is non-determinism - a parallel program may yield different results on different executions with the same input, depending on the...
Provided by Rice University
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Cognitive Radio Platforms: Wireless Open-Access Research Platform for Networks
February 17, 2010, 12:00am PST
Cognitive radio has received considerable interest as a communication paradigm to provide dynamic spectrum allocation. However, there are still no real-time, at-scale validations of the key...
Provided by Rice University
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COMPASS: An Adaptive Sensor Network Architecture for Multi-Scale Communication
January 1, 2011, 12:00am PST
Sensor networks have emerged as a promising tool for monitoring and actuating the devices of physical world. It employs self-organizing networks of battery-powered wireless sensors that can sense,...
Provided by Rice University
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A Scalability Study of Enterprise Network Architectures
August 16, 2011, 12:00am PDT
The largest enterprise networks already contain hundreds of thousands of hosts. Enterprise networks are composed of Ethernet subnets interconnected by IP routers. These routers require expensive...
Provided by Rice University
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Multicast Capacity of Large Homogeneous Multihop Wireless Networks
March 8, 2008, 12:00am PST
Most existing work on multicast capacity of large homogeneous networks is based on a simple model for wireless channel, namely the Protocol Model. In this paper, the authors exploit a local...
Provided by Rice University
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BeamSwitch: System Solution for Energy-Efficient Directional Communication on Mobile Devices
June 18, 2009, 12:00am PDT
Directional communication has the potential to improve the energy efficiency of wireless communication without sacrificing its quality. The authors present a system solution, BeamSwitch, for...
Provided by Rice University
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NoShake: Content Stabilization for Shaking Screens of Mobile Devices
January 7, 2009, 12:00am PST
Consumer electronics and mobile devices intended for pervasive applications are often subject to shaking that makes their screen difficult to read. To address this usability challenge, the authors...
Provided by Rice University
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Exploring Multiple Radios and Multiple Channels in Wireless Mesh Networks
October 10, 2008, 12:00am PDT
Many research have been performed investigating the challenging issue of efficiently utilizing the network-wide capacity available in the multi-hop wireless mesh networks with multiple radios and...
Provided by Rice University
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PW-MAC: An Energy-Efficient Predictive-Wakeup MAC Protocol for Wireless Sensor Networks
January 19, 2011, 12:00am PST
This paper presents PW-MAC (Predictive-Wakeup MAC), a new energy-efficient MAC protocol based on asynchronous duty cycling. In PW-MAC, nodes each wake up to receive at randomized, asynchronous...
Provided by Rice University
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Experiment-Driven Characterization of Full-Duplex Wireless Systems
July 7, 2011, 12:00am PDT
Current deployed wireless communication systems employ either a time-division or frequency division approach to bidirectional communication. This requires dividing the temporal and/or spectral...
Provided by Rice University
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Puppeteer: Component-Based Adaptation for Mobile Computing
January 1, 2011, 12:00am PST
Puppeteer is a system for adapting component-based applications in mobile environments. Puppeteer takes advantage of the exported interfaces of these applications and the structured nature of the...
Provided by Rice University
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RMAC: A Routing-Enhanced Duty-Cycle MAC Protocol for Wireless Sensor Networks
January 1, 2011, 12:00am PST
Duty-cycle MAC protocols have been proposed to meet the demanding energy requirements of wireless sensor networks. Although existing duty-cycle MAC protocols such as S-MAC are power efficient,...
Provided by Rice University
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White Papers
Secure Routing for Structured Peer-to-Peer Overlay Networks
January 1, 2011, 12:00am PST
Structured peer-to-peer overlay networks provide a substrate for the construction of large-scale, decentralized applications, including distributed storage, group communication, and content...
Provided by Rice University
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Relay Selection for Joint Scheduling, Routing and Power Allocation in Multiflow Wireless Networks
January 30, 2010, 12:00am PST
The authors study an integrated multiflow network model, in which physical-layer rate control and link-layer medium access and routing decisions are jointly optimized. In particular, they explore...
Provided by Rice University
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Value, Trading Strategies And Financial Investment Of Natural Gas Storage Assets
May 31, 2008, 12:00am PDT
By valuing a natural gas storage facility as a portfolio of real options, the authors study the value, trading strategies, technology, and financial investment of the storage for a risk neutral...
Provided by Rice University
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Experimenting With a Multi-Radio Mesh Networking Testbed
January 1, 2011, 12:00am PST
Experimentation is an important next step to take in the study of multi-radio mesh networks, but it involves many obstacles preventing a stable and reproducible testbed environment. Using...
Provided by Rice University
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White Papers
mClock: Handling Throughput Variability for Hypervisor IO Scheduling
September 20, 2010, 12:00am PDT
Virtualized servers run a diverse set of Virtual Machines (VMs), ranging from interactive desktops to test and development environments and even batch workloads. Hypervisors are responsible for...
Provided by Rice University
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Automatic Verification of Determinism for Structured Parallel Programs
June 23, 2010, 12:00am PDT
The authors present a static analysis for automatically verifying determinism of structured parallel programs. The main idea is to leverage the structure of the program to reduce determinism...
Provided by Rice University
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Pushing the Limits of Full-duplex: Design and Real-time Implementation
July 4, 2011, 12:00am PDT
Recent work has shown the feasibility of single-channel fullduplex wireless physical layer, allowing nodes to send and receive in the same frequency band at the same time. In this paper, the...
Provided by Rice University
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White Papers
Systematic Liquidity In Corporate Bonds
October 1, 2007, 12:00am PDT
This paper studies systematic liquidity in the corporate bond market. The authors document a strong commonality in individual bond liquidity movements after controlling for bond specific liquidity...
Provided by Rice University
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