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Author: J. A. Stankovic Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
A distributed processing system is defined as a collection of processor-memory pairs (hosts) that are physically and logically interconnected, with decentralized system-wide control of all resources, for the cooperative execution of application programs. Such systems may be dedicated to a single application or may implement a general purpose computing facility. By decentralized system-wide control is meant that there exists distributed resources in the system, that there is decentralized control of these resources (i.e., there is no single, central host in charge, nor is there a central state table), that there is system-wide cooperation between independent hosts which results in a single unified system. By system-wide cooperation is meant that the algorithms of the system operate for the good of the whole and not for a particular host. For systems meeting this restrictive definition of distributed processing, it is hypothesized that their reliability, extensibility, and performance will be better than a what is generally available today. In this report the term distributed processing refers to this very specific type of highly integrated distributed system. The major objective of this research project was to develop and compare decentralized scheduling algorithms for distributed processing systems.
Author: J. A. Stankovic Publisher: ISBN: Category : Languages : en Pages : 22
Book Description
A distributed processing system is defined as a collection of processor-memory pairs (hosts) that are physically and logically interconnected, with decentralized system-wide control of all resources, for the cooperative execution of application programs. Such systems may be dedicated to a single application or may implement a general purpose computing facility. By decentralized system-wide control is meant that there exists distributed resources in the system, that there is decentralized control of these resources (i.e., there is no single, central host in charge, nor is there a central state table), that there is system-wide cooperation between independent hosts which results in a single unified system. By system-wide cooperation is meant that the algorithms of the system operate for the good of the whole and not for a particular host. For systems meeting this restrictive definition of distributed processing, it is hypothesized that their reliability, extensibility, and performance will be better than a what is generally available today. In this report the term distributed processing refers to this very specific type of highly integrated distributed system. The major objective of this research project was to develop and compare decentralized scheduling algorithms for distributed processing systems.
Author: John A. Stankovic Publisher: ISBN: Category : Languages : en Pages : 80
Book Description
This semi-annual report details the research program made in the area of distributed control of scheduling using Bayesian Decision Theory. Three decision algorithms were simulated and results compared. (Author).
Author: Joseph Pasquale Publisher: ISBN: Category : Control theory Languages : en Pages : 602
Book Description
In very large distributed computer systems, there are significant problems when one considers decentralization of control amongst agents managing resources. Probably the most difficult is that agents must make good fast coordinated decisions based on uncertain and differing views of the global system state. Our thesis is that despite such problems, effective decentralized control systems can be build based on a set of seven design principles which we describe. We also apply these principles to the problem of decentralized load balancing, and provide results based on trace-driven simulation experiments.
Author: John A. Stankovic Publisher: ISBN: Category : Languages : en Pages : 276
Book Description
The goal of this contract was to investigate decentralized control with respect to the scheduling and reallocation functions of distributed computer systems. We have made significant progress on developing and analyzing several scheduling and reallocation algorithms. In particular, we have investigated distributed scheduling algorithms where tasks are independent of each other and the subnet imposes a non-negligible delay on task transfers. We have also studied distributed scheduling algorithms that specifically consider collections of related tasks which we classify as distributed scheduling groups and clusters. Since many distributed systems have nodes which are multiprocessors, we have also addressed multiprocessor scheduling. We have studied scheduling in such and environment by analytically analyzing the performance of fork-join jobs and by developing a multi-class, multiprocessor scheduling algorithm. During this contract period, we have also developed a decentralized reallocation algorithm, analyzed it via simulation, and in the analysis, emphasized different forms and costs of cooperation. We show that decentralized reallocation is significantly better than centralized reallocation. Finally, we also developed decentralized estimation techniques to be used in conjunction with distributed scheduling algorithms. (RH).
Author: Deo Prakash Vidyarthi Publisher: Springer Science & Business Media ISBN: 0387744835 Category : Computers Languages : en Pages : 301
Book Description
This book intends to inculcate the innovative ideas for the scheduling aspect in distributed computing systems. Although the models in this book have been designed for distributed systems, the same information is applicable for any type of system. The book will dramatically improve the design and management of the processes for industry professionals. It deals exclusively with the scheduling aspect, which finds little space in other distributed operating system books. Structured for a professional audience composed of researchers and practitioners in industry, this book is also suitable as a reference for graduate-level students.
Author: Fatos Xhafa Publisher: Springer Science & Business Media ISBN: 3540692606 Category : Computers Languages : en Pages : 373
Book Description
This volume presents meta-heuristics approaches for Grid scheduling problems. It brings new ideas, analysis, implementations and evaluation of meta-heuristic techniques for Grid scheduling, which make this volume novel in several aspects.
Author: Veeravalli Bharadwaj Publisher: John Wiley & Sons ISBN: 9780818675218 Category : Computers Languages : en Pages : 320
Book Description
This book provides an in-depth study concerning a claqss of problems in the general area of load sharing and balancing in parallel and distributed systems. The authors present the design and analysis of load distribution strategies for arbitrarily divisible loads in multiprocessor/multicomputer systems subjects to the system constraints in the form of communication delays. In particular, two system architecture-single-level tree or star network, and linear network-are thoroughly analyzed. The text studies two different cases, one of processors with front-ends and the other without. It concentrates on load distribution strategies and performance analysis, and does not cover issues related to implementation of these strategies on a specific system. The book collates research results developed mainly by two groups at the Indian Institute of Science and the State University of New York at Stony Brook. It also covers results by other researchers that have either appeared or are due to appear in computer science literature. The book also provides relevant but easily understandable numerical examples and figures to illustrate important concepts. It is the first book in this area and is intended to spur further research enabling these ideas to be applied to a more general class of loads. The new methodology introduced here allows a close examination of issues involving the integration of communication and computation. In fact, what is presented is a new "calculus" for load sharing problems.
Author: J. A. Stankovic
Author: J. A. Stankovic
Author: Ziauddin Ahmed Shah
Author: John A. Stankovic
Author: Joseph Pasquale
Author: Inderjit Singh Sidhu
Author: John A. Stankovic
Author: Martin Jilg
Author: Deo Prakash Vidyarthi
Author: Fatos Xhafa
Author: Veeravalli Bharadwaj