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2009 10th IEEE/ACM International Conference on Grid Computing, Grid 2009

作者： Rahman, Mustafizur Ranjan, Rajiv Buyya, Rajkumar Grid Computing and Distributed Systems Laboratory Department of Computer Science and Software Engineering University of Melbourne Australia Service Oriented Computing Research Group School of Computer Science and Engineering University of New South Wales Australia

ISBN: (纸本)9781424451494

Efficient scheduling is a key concern for the effectual execution of performance driven Grid applications, such as workflows. Many list heuristics have been developed for scheduling workflows in centralized Grid environment. However, in this paper, we present a distributed list heuristic for decentralized scheduling of workflow applications in global Grids. The simulation results show that the proposed scheduling approach is scalable with respect to increased workload on the system. © 2009 IEEE.

关键词： Scheduling

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Dependable workflow scheduling in global grids

Dependable workflow scheduling in global grids

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2009 10th IEEE/ACM International Conference on Grid Computing, Grid 2009

ISBN: (纸本)9781424451494

In this paper, a reputation-based Grid workflow scheduling algorithm is proposed to counter the effect of inherent unreliability and temporal characteristics of computing resources in large scale, decentralized Grid overlays. The proposed approach builds upon structured peer-to-peer indexing and overlay networking techniques to create a scalable wide-area networking of Grid sites for supporting dependable scheduling of applications. The scheduling algorithm considers reliability of a Grid resource as a statistical property, which is globally computed in the decentralized Grid overlay based on dynamic feedbacks or reputation scores assigned by individual service consumers (Grid Resource Brokers). The proposed algorithm can dynamically adapt to changing resource conditions and offer significant performance gains as compared to traditional approaches in the event of unsuccessful job execution or resource failure. We evaluate and demonstrate the feasibility of our approach through an extensive trace driven simulation. The results show that our scheduling technique can reduce the makespan up to 50% and successfully isolate the failure-prone resources from the system. © 2009 IEEE.

关键词： Scheduling algorithms

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A distributed heuristic for decentralized workflow scheduling in global Grids

A distributed heuristic for decentralized workflow schedulin...

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International Workshop on Grid Computing

作者： Mustafizur Rahman Rajiv Ranjan Rajkumar Buyya Grid Computing and Distributed Systems Laboratory Department of Computer Science and Software Engineering University of Melbourne Australia Service Oriented Computing Research Group School of Computer Science and Engineering University of New South Wales Australia

关键词： Processor scheduling Grid computing Resource management Computer science Scheduling algorithm Laboratories Software engineering distributed computing Application software Peer to peer computing

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Dependable workflow scheduling in global Grids

Dependable workflow scheduling in global Grids

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International Workshop on Grid Computing

关键词： Processor scheduling Scheduling algorithm Grid computing Counting circuits Large-scale systems Peer to peer computing Indexing Feedback Heuristic algorithms Performance gain

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Data flow analysis as model checking within the jABC

Data flow analysis as model checking within the jABC

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2006 Fachtagung des GI-Fachbereichs Softwaretechnik, Software engineering 2006 - 2006 Conference of the GI Division on Software engineering, Software engineering 2006

作者： Lamprecht, Anna-Lena Margaria, Tiziana Steffen, Bernhard Service Engineering for Distributed Systems Universität Göttingen Germany Programming Systems Universität Dortmund Germany

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service-Oriented Design: The jABC Approach

Service-Oriented Design: The jABC Approach

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2005 service Oriented Computing, SOC 2005

作者： Margaria, Tiziana Steffen, Bernhard Reitenspieß, Manfred Service Engineering for Distributed Systems Universität Göttingen Germany Universität Dortmund Germany RTP 4 Continuous Services Fujitsu Siemens Computers Munich Germany

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Model-based design of distributed collaborative bioinformatics processes in the jABC

Model-based design of distributed collaborative bioinformati...

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IEEE International Conference on engineering of Complex Computer systems

作者： T. Margaria C. Kubczak M. Njoku B. Steffen Chair Servce and Software Engineering University of Potsdam Potsdam Germany Chair of Programming Systems University of Dortmund Dortmund Germany Chair of Service Engineering for Distributed Systems University of Göttingen Gottingen Germany

Our approach to the model-driven collaborative design of workflows for bioinformatic applications uses the jABC for model driven mediation and choreography to complement a Web service-based elementary service provision. jABC is a framework for service development based on lightweight process coordination. Users (product developers and system/software designers) develop services and applications by composing reusable building-blocks into (flow-)graph structures that can be animated, analyzed, simulated, verified, executed, and compiled. This way of handling the collaborative design of complex processes has proven to be effective and adequate for the cooperation of non-programmers (in this case biologists) and technical people, and it is now being rolled out in the operative practice

关键词： Collaboration Bioinformatics Collaborative work Application software Mediation Software reusability Software systems Software design Animation Biological system modeling

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Web services-based tool-integration in the ETI platform

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Software and systems Modeling 2005年第2期4卷 141-156页

作者： Margaria, Tiziana Chair of Service Engineering for Distributed Systems Universität Göttingen Gottingen Germany

In this paper we present dETI, the next generation of the Electronic Tool Integration (ETI) platform, an open platform for the interactive experimentation with and coordination of heterogeneous software tools via the internet. Our redesign, which is based on the experience gained while running the ETI platform since 1997, focusses on the tool integration process, which clearly marked the bottleneck for the wide acceptance of the ETI platform on the side of an important group of users: the tool providers. The new integration approach makes use of standard Web services technology, which perfectly fits in the overall ETI architecture. Our approach realizes a clear separation of concerns, which overcomes all the previously observed obstacles by (i) decoupling the integration tasks of the tool providers and the ETI team, (ii) pulling the ETI team out of the upgrading and maintenance loop and (iii) handing the upgrading and access control over to the tool providers. This guarantees the scalability in the number of tools available within ETI, and addresses the flexibility concerns of the tool providers. © Springer-Verlag 2004.

关键词： distributed coordination ETI Tool-experimentation platform Tool-integration Web services

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Aggressive model-driven development: Synthesizing systems from models viewed as constraints

Aggressive model-driven development: Synthesizing systems fr...

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Dagstuhl-Workshop MBEES: Modellbasierte Entwicklung eingebetteter Systeme - Workshop on Model-Based Development of Embedded systems, MBEES 2005

作者： Margaria, Tiziana Steffen, Bernhard Service Engineering for Distributed Systems Institute for Informatics University of Göttingen Germany Department of Programming Systems University of Dortmund Germany

We propose an aggressive version of model-driven development (AMDD) 1, which moves most of the recurring problems of compatibility and consistency of software (mass-) construction and customization from the coding and integration level to the modelling level. AMDD requires a complex preparation of adequate settings, supporting the required automation. However, the effort to create these settings can be easily paid off by immense cost reductions in software mass-construction and maintenance. In fact, besides reducing the costs, AMDD will also lead towards a kind of normed software development, making software engineering a true engineering activity.

关键词： Cost reduction

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MaTRICS: a management tool for the remote intelligent configuration of (pervasive) systems

MaTRICS: a management tool for the remote intelligent config...

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IEEE/ACS International Conference on Pervasive services (ICPS)

作者： M. Bajohr T. Margaria Chair of Programming Systems University of Dortmund Germany Service Engineering for Distributed Systems Universität Gottingen Germany

With MaTRICS, we describe an architecture for pervasive management of distributed systems. It allows remotely connected users (e.g., system administrators) to modify the configuration of any service provided by a specific (application) server, like email-, news- or Web-servers. Novel to our approach is that the system can manage configuration processes on heterogeneous software- and hardware- platforms, which are performed from a variety of peripherals unmatched in today's practice. In this sense, we realize a sort of pervasive system management, where devices like mobile phones, faxes, PDAs are enabled to be used by system managers as remote system configuration and management tools.

关键词： Remote monitoring Application software Personal digital assistants Mobile handsets Spine Computer architecture Condition monitoring distributed computing Pervasive computing Ubiquitous computing

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