Now showing items 115-134 of 193

    • Netbus: A Transparent Mechanism for Remote Device Access in Virtualized Systems 

      Kumar, Sanjay; Agarwala, Sandip; Schwan, Karsten (Georgia Institute of Technology, 2007)
      Efficient and seamless access to local as well as remote devices is a desirable property in multiple settings, including blade-servers, datacenters, enterprises, and even in home-based, personal computing environments. New ...
    • Network-centric Access Control: Models and Techniques 

      Wang, Ting; Srivatsa, Mudhakar; Agrawal, Dakshi (Georgia Institute of Technology, 2010-09-21)
      In both commercial and defense sectors a compelling need is emerging for rapid, yet secure, dissemination of information to the concerned actors. Traditional approaches to information sharing (such as Multi-Level Security ...
    • A New Temperature Distribution Measurement Method on GPU Architectures Using Thermocouples 

      Dasgupta, Aniruddha; Hong, Sunpyo; Kim, Hyesoon; Park, Jinil (Georgia Institute of Technology, 2012)
      In recent years, the many-core architecture has seen a rapid increase in the number of on-chip cores with a much slower increase in die area. This has led to very high power densities in the chip. Hence, in addition to ...
    • O2S2: Enhanced Object-based Virtualized Storage 

      Raj, Himanshu; Schwan, Karsten (Georgia Institute of Technology, 2007)
      Object based storage devices (OSDs) elevate the level of abstraction presented to clients, thereby permitting them to offer methods for managing, sharing, and securing information that go beyond those offered by ...
    • On the Predictability of Large Transfer TCP Throughput 

      He, Qi; Dovrolis, Constantinos; Ammar, Mostafa H. (Mostafa Hamed) (Georgia Institute of Technology, 2005)
      With the advent of overlay and peer-to-peer networks, Grid computing, and CDNs, network performance prediction becomes an essential task. Predicting the throughput of large TCP transfers, in particular, has attracted much ...
    • Opportunistic Overlays: Efficient Content Delivery in Mobile Ad Hoc Networks 

      Chen, Yuan; Schwan, Karsten (Georgia Institute of Technology, 2005)
      Current content-based publish/subscribe systems assume a fixed network environment in which nodes do not move and where the network topology remains relatively stable. For mobile environments, the resulting problem is a ...
    • The origin of TCP traffic burstiness in short time scales 

      Jiang, Hao; Dovrolis, Constantinos (Georgia Institute of Technology, 2004-02-20)
      Internet traffic exhibits multifaceted burstiness and correlation structure over a wide span of time scales. Previous work analyzed this structure in terms of heavy-tailed session characteristics, as well as TCP timeouts ...
    • A Patient-centric, Attribute-based, Source-verifiable Framework for Health Record Sharing 

      Mohan, Apurva; Bauer, David; Blough, Douglas M.; Ahamad, Mustaque; Bamba, Bhuvan; Krishnan, Ramkumar; Liu, Ling; Mashima, Daisuke; Palanisamy, Balaji (Georgia Institute of Technology, 2009)
      The storage of health records in electronic format, and the wide-spread sharing of these records among different health care providers, have enormous potential benefits to the U.S. healthcare system. These benefits ...
    • Performance-driven Global Placement via Adaptive Network Characterization 

      Ekpanyapong, Mongkol; Lim, Sung Kyu (Georgia Institute of Technology, 2003)
      Delay minimization continues to be an important objective in the design of high-performance computing system. In this paper, we present an effective methodology to guide the delay optimization process of the mincut-based ...
    • Persistent Residual Increase in Server Processing Time 

      Mansour, Mohamed S.; Schwan, Karsten (Georgia Institute of Technology, 2006)
      In this case study we present our observations of a query processing engine running at a server farm operated by one of our industrial partners. We examine the query engine response time (termed MSBFS) under a variety ...
    • Personal Clouds: Sharing and Integrating Networked Resources to Enhance End User Experiences 

      Jang, Minsung; Schwan, Karsten; Bhardwaj, Ketan; Gavrilovska, Ada; Avasthi, Adhyas (Georgia Institute of Technology, 2013)
      End user experiences on mobile devices with their rich sets of sensors are constrained by limited device battery lives and restricted form factors, as well as by the ‘scope’ of the data available locally. The 'Personal ...
    • A Petri Net Approach to Analysis and Composition of Web Services 

      Xiong, PengCheng; Fan, YuShun; Zhou, MengChu (Georgia Institute of Technology, 2009)
      Business Process Execution Language for Web Services (BPEL) is becoming the industrial standard for modeling web service-based business processes. Behavioral compatibility for web service composition is one of the most ...
    • Physical Layout Automation for System-On-Packages 

      Lim, Sung Kyu (Georgia Institute of Technology, 2003)
      System-On-Package (SOP) paradigm proposes a unified chip-plus-package view of the design process, where heterogeneous system components such as digital ICs, analog/RF ICs, memory, optical interconnects, MEMS, and passive ...
    • POD: A Parallel-On-Die Architecture 

      Woo, Dong Hyuk; Fryman, Joshua Bruce; Knies, Allan D.; Eng, Marsha; Lee, Hsien-Hsin Sean (Georgia Institute of Technology, 2007-05)
      As power constraints, complexity and design verification cost make it difficult to improve single-stream performance, parallel computing paradigm is taking a place amongst mainstream high-volume architectures. Most current ...
    • A Power Capping Controller for Multicore Processors 

      Almoosa, Nawaf; Song, William; Wardi, Yorai; Yalamanchili, Sudhakar (Georgia Institute of Technology, 2011)
      This paper presents an online controller for tracking power-budgets in multicore processors using dynamic voltage-frequency scaling. The proposed control law comprises an integral controller whose gain is adjusted online ...
    • Power Modeling for GPU Architecture Using McPAT 

      Lim, Jieun; Lakshminarayana, Nagesh B.; Kim, Hyesoon; Song, William; Yalamanchili, Sudhakar; Sung, Wonyong (Georgia Institute of Technology, 2013)
      Graphics Processing Units (GPUs) are very popular for both graphics and general-purpose applications. Since GPUs operate many processing units and manage multiple levels of memory hierarchy, they consume a significant ...
    • Power- and area-efficient single SISO architecture of Turbo decoder 

      Lee, Dongwon; Wolf, Wayne (Georgia Institute of Technology, 2009)
      In this paper, we propose a power- and area-efficient architecture of Turbo decoder. In order to improve the nonfunctional performance metrics such as power consumption and area, we use the trade-off method between bit ...
    • 𝜖-PPI: Searching Information Networks with Quantitative Privacy Guarantee 

      Tang, Yuzhe; Liu, Ling; Iyengar, Arun (Georgia Institute of Technology, 2014)
      In information sharing networks, having a privacy preserving index (or PPI) is critically important for providing efficient search on access controlled content across distributed providers while preserving privacy. An ...
    • Practical Share Renewal for Large Amounts of Data 

      Subbiah, Arun; Blough, Douglas M. (Georgia Institute of Technology, 2005)
      Threshold secret sharing schemes encode data into several shares such that a threshold number of shares can be used to recover the data. Such schemes provide confidentiality of stored data without using encryption, thus ...
    • PreDatA - Preparatory Data Analytics on Peta-Scale Machines 

      Zheng, Fang; Abbasi, Hasan; Docan, Ciprian; Lofstead, Jay; Klasky, Scott; Liu, Qing; Parashar, Manish; Podhorszki, Norbert; Schwan, Karsten; Wolf, Matthew (Georgia Institute of Technology, 2010)
      Peta-scale scientific applications running on High End Computing (HEC) platforms can generate large volumes of data. For high performance storage and in order to be useful to science end users, such data must be organized ...