Browsing by Subject "Distributed computer systems"
Now showing items 41-60 of 91
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Fault-tolerant semi fast implementations of atomic read/write registers
(2006)This paper investigates time-efficient implementations of atomic read-write registers in message-passing systems where the number of readers can be unbounded. In particular we study the case of a single writer, multiple ...
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Grid resource ranking using low-level performance measurements
(2007)This paper outlines a feasible approach to ranking Grid resources based on an easily obtainable application-specific performance model utilizing low-level performance metrics. First, Grid resources are characterized using ...
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A grid-enabled digital library system for natural disaster metadata
(2005)The need to organize and publish metadata about European research results in the field of natural disasters has been met with the help of two innovative technologies: the Open Grid Service Architecture (OGSA) and the ...
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GridBench: A workbench for Grid benchmarking
(2005)In this article we present the GridBench, an extensible tool for benchmarking and testing Grid resources. We give an overview of the GridBench services and tools that provide easy invocation of benchmarks and management ...
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How to compare the performance of two SMT microarchitectures
(Institute of Electrical and Electronics Engineers Inc., 2001)In this paper we discuss methods and metrics for comparing the performance of two simultaneous multithreading microarchitectures. We identify conditions under which the instructions-per-cycle metric may be misleading for ...
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Hybrid CAC for MBMS-enabled 3G UMTS networks
(2006)In this paper, a novel hybrid Connection Admission Control (CAC) scheme combining downlink transmission power and aggregate throughput in the case of dedicated and shared connection setup respectively, is presented ("DPTCAC: ...
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Conference Object
A hybrid peer-to-peer solution for context distribution in mobile and ubiquitous environments
(2009)With the proliferation of mobile devices such as PDAs and smart-phones, users get accustomed to using them in their daily life. This raises the expectations for user-customized and environment-aware services. However, ...
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Implementing a generic component-based framework for telecontrol applications
(2007)The rapid growth of telecontrol systems is one of the major trends in today's network-oriented community. The implementation of generic frameworks, consisting of reusable components that can form the basis for the development ...
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Incorporating input/output operations into dynamic data-flow graphs
(1995)Driven by the 'side-effect' environment of sequential von Neumann computing, Input/Output operations have evolved as state operations on shared files. In parallel programs, if multiple instances of an I/O-performing process ...
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Information retrieval techniques for peer-to-peer networks
(2004)An important challenge in peer-to-peer (P2P) networks is to efficiently search the contents of other peers. The authors survey existing search techniques for information retrieval in P2P networks, including recent techniques ...
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Integrating caching techniques on a content distribution network
(2006)Web caching and replication tune capacity with performance and they have become essential components of the Web. In practice, caching and replication techniques have been applied in proxy servers and Content Distribution ...
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Internet computing: Using reputation to select workers from a pool
(2016)The assignment and execution of tasks over the Internet is an inexpensive solution in contrast with supercomputers. We consider an Internet-based Master-Worker task computing approach, such as SETI@home. A master process ...
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Conference Object
IPMicra: An IP-address based location aware distributed web crawler
(2004)Distributed crawling is able to overcome Important limitations of the traditional single-sourced web crawling systems. However, the optimal benefit of distributed crawling is usually limited to the sites hosting the crawlers, ...
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Linearizability in the presence of drifting clocks and under different delay assumptions
(1999)The cost of usingmessag e-passing to implement linearizable read/write objects for shared memory multiprocessors with drifting clocks is studied. We take as cost measures the response times for performingread and write ...
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Long-lived Rambo: Trading knowledge for communication
(2007)Shareable data services providing consistency guarantees, such as atomicity (linearizability), make building distributed systems easier. However, combining linearizability with efficiency in practical algorithms is difficult. ...
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Meeting the deadline: On the complexity of fault-tolerant continuous gossip
(2011)In this paper we introduce the problem of Continuous Gossip in which rumors are continually and dynamically injected throughout the network. Each rumor has a deadline, and the goal of a continuous gossip protocol is to ...
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Conference Object
Mobile commerce: Vision and challenges (location and its management)
(Institute of Electrical and Electronics Engineers Inc., 2002)Mobile computing is distributed computing that involves elements whose location changes in the course of computation. Elements may be software components such as mobile agents or moving objects-data or hardware such as ...
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Modelling and implementing asynchronous timed multimedia frameworks using coordination principles
(2005)This paper combines work done in the areas of Artificial Intelligence, Multimedia Systems and Coordination Programming to derive a framework for Distributed Multimedia Systems based on asynchronous timed computations ...
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Modelling control systems in an event-driven coordination language
(2000)The paper presents the implementation of a railway control system, as a means of assessing the potential of coordination languages to be used for modelling software architectures for complex control systems using a ...
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MPI-FT: Portable fault tolerance scheme for MPI
(2000)In this paper, we propose the design and development of a fault tolerant and recovery scheme for the Message Passing Interface (MPI). The proposed scheme consists of a detection mechanism for detecting process failures, ...