Georgia Tech

Displaying 1 - 10 of 22 results

  • Improving Hadoop Service Provisioning in A Geographically Distributed Cloud

    White Papers // Apr 2014 // provided by Georgia Tech

    With more data generated and collected in a geographically distributed manner, combined by the increased computational requirements for large scale data-intensive analysis, the authors have witnessed the growing demand for geographically distributed Cloud datacenters and hybrid Cloud service provisioning, enabling organizations to support instantaneous demand of additional computational resources and ...

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  • Nimble Algorithms for Cloud Computing

    White Papers // Apr 2013 // provided by Georgia Tech

    Cloud computing is a new paradigm where data is stored across multiple servers and the goal is to compute a function of all the data. The authors consider a simple model where each server uses polynomial time and space, but communication among servers being more expensive is ideally bounded by ...

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  • The Forgotten 'Uncore': On the Energy-Efficiency of Heterogeneous Cores

    White Papers // Apr 2012 // provided by Georgia Tech

    Heterogeneous Multicore Processors (HMPs), consisting of cores with different performance/power characteristics, have been proposed to deliver higher energy efficiency than symmetric multicores. This paper investigates the opportunities and limitations in using HMPs to gain energy-efficiency. Unlike previous work focused on server systems, the authors focus on the client workloads typically ...

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  • A Simpler and Better Design of Error Estimating Coding

    White Papers // Apr 2012 // provided by Georgia Tech

    The authors study error estimating codes with the goal of establishing better bounds for the theoretical and empirical overhead of such schemes. They explore the idea of using sketch data structures for this problem, and show that the tug-of-war sketch gives an asymptotically optimal solution. The optimality of their algorithms ...

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  • SilverLine: Data and Network Isolation for Cloud Services

    White Papers // Jun 2011 // provided by Georgia Tech

    Although cloud computing service providers offer opportunities for improving the administration, reliability, and maintenance of hosted services, they also concentrate network resources and data in a small number of cloud service providers. The concentration of data and resources introduces various associated risks, including sharing the underlying infrastructure with unknown (and ...

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  • Twelve Years in the Evolution of the Internet Ecosystem

    White Papers // Mar 2011 // provided by Georgia Tech

    The authors' goal is to understand the evolution of the Autonomous System (AS) ecosystem over the last 12 years. Instead of focusing on abstract topological properties, the authors classify ASes into a number of types depending on their function and business type. Further, they consider the semantics of inter-AS links ...

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  • Energy-Efficient Wireless Communications: Tutorial, Survey, and Open Issues

    White Papers // Feb 2011 // provided by Georgia Tech

    With explosive growth of high-data-rate applications, more and more energy is consumed in wireless networks to guarantee Quality-of-Service (QoS). Therefore, energy-efficient communications have been paid increasing attention under the background of limited energy resource and environmental-friendly transmission behaviors. In this paper, basic concepts of energy-efficient communications are first introduced and ...

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  • Network-Wide Prediction of BGP Routes

    White Papers // Jan 2011 // provided by Georgia Tech

    This paper presents provably correct algorithms for computing the outcome of the BGP route-selection process for each router in a network, without simulating the complex details of BGP message passing. The algorithms require only static inputs that can be easily obtained from the routers: The BGP routes learned from neighboring ...

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  • Cache Clouds: Cooperative Caching of Dynamic Documents in Edge Networks

    White Papers // Jan 2011 // provided by Georgia Tech

    This paper makes three original contributions. First, the authors introduce the concept of cache clouds, which forms the fundamental framework for cooperation among caches in the edge network. Second, they present dynamic hashing-based protocols for document lookups and updates within each cache cloud, which are not only efficient, but also ...

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  • Efficient and Secure Search of Enterprise File Systems

    White Papers // Jan 2011 // provided by Georgia Tech

    With fast paced growth of digital data, keyword based search has become a critical enterprise application. Research has shown that nearly 85% of enterprise data lies in flat filesystems that allow multiple users with different access privileges. Any search tool for such systems needs to be efficient and yet cognizant ...

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