Overview

Cooperative network supercomputing is becoming increasingly popular for harnessing the power of the global Internet computing platform. A typical Internet supercomputer consists of a master computer or server and a large number of computers called workers, performing computation on behalf of the master. Despite the simplicity and benefits of a single master approach, as the scale of such computing environments grows, it becomes unrealistic to assume the existence of the infallible master that is able to coordinate the activities of multitudes of workers. Large-scale distributed systems are inherently dynamic and are subject to perturbations, such as failures of computers and network links, thus it is also necessary to consider fully distributed peer-to-peer solutions. We present a study of cooperative computing with the focus on modeling distributed computing settings, algorithmic techniques enabling one to combine efficiency and fault-tolerance in distributed systems, and the exposition of trade-offs between efficiency and fault-tolerance for robust cooperative computing. The focus of the exposition is on the abstract problem, called Do-All, and formulated in terms of a system of cooperating processors that together need to perform a collection of tasks in the presence of adversity. Our presentation deals with models, algorithmic techniques, and analysis. Our goal is to present the most interesting approaches to algorithm design and analysis leading to many fundamental results in cooperative distributed computing. The algorithms selected for inclusion are among the most efficient that additionally serve as good pedagogical examples. Each chapter concludes with exercises and bibliographic notes that include a wealth of references to related work and relevant advanced results. Table of Contents: Introduction / Distributed Cooperation and Adversity / Paradigms and Techniques / Shared-Memory Algorithms / Message-Passing Algorithms / The Do-All Problem in Other Settings/ Bibliography / Authors' Biographies

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9783031008771

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Chryssis Georgiou is an Assistant Professor in the Department of Computer Science at the University of Cyprus. He holds a Ph.D. degree (December 2003) and a M.Sc. degree (May 2002) in Computer Science & Engineering from the University of Connecticut and a B.Sc. degree (June 1998) in Mathematics from the University of Cyprus. He has worked as a Teaching and Research Assistant at the University of Connecticut, USA (1998-2003) and as a Visiting Lecturer (2004) and a Lecturer (2005-2008) at the University of Cyprus. His research interests span the theory and practice of distributed computing, in particular, design, analysis, verification and implementation of algorithms; fault-tolerance and dependability; communication protocols; cooperative distributed computing; and dynamic computing environments. Alexander Allister Shvartsman is a Professor of Computer Science & Engineering and the Director of the Center for Voting Technology Research at the University of Connecticut. He holds a Ph.D. from Brown University (1992), M.S. from Cornell University (1981), and a B.S. from Stevens Institute of Technology (1979), all in Computer Science. Prior to embarking on his academic career he worked for a number of years at Bell Labs and Digital Equipment Corporation. His professional interests are in distributed computing, fault-tolerance, and integrity of electronic voting systems. He is an author of over 130 technical articles and two books.

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