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Authors: Moreno Marzolla 1 and Raffaela Mirandola 2

Affiliations: 1 Università di Bologna, Italy ; 2 Politecnico di Milano, Italy

ISBN: 978-989-8565-05-1

Keyword(s): Cloud Computing, Workflow Engine, Self-management, SLA Management.

Related Ontology Subjects/Areas/Topics: Cloud Application Scalability and Availability ; Cloud Applications Performance and Monitoring ; Cloud Computing ; Collaboration and e-Services ; Communication and Software Technologies and Architectures ; Data Engineering ; e-Business ; Enterprise Information Systems ; Languages, Tools and Architectures ; Mobile Software and Services ; Model-Driven Software Development ; Ontologies and the Semantic Web ; Platforms and Applications ; Service-Oriented Architectures ; Services Science ; Software Agents and Internet Computing ; Software Engineering ; Software Engineering Methods and Techniques ; Technology Platforms ; Telecommunications ; Web Services ; Wireless Information Networks and Systems

Abstract: The Cloud Computing paradigm is providing system architects with a new powerful tool for building scalable applications. Clouds allow allocation of resources on a ”pay-as-you-go” model, so that additional resources can be requested during peak loads and released after that. In this paper we describe SAVER (qoS-Aware workflows oVER the Cloud), a QoS-aware algorithm for executing workflows involving Web Services hosted in a Cloud environment. SAVER allows execution of arbitrary workflows subject to response time constraints. SAVER uses a simple Queueing Network (QN) model to identify the optimal resource allocation; specifically, the QN model is used to identify bottlenecks, and predict the system performance as Cloud resources are allocated or released. Our approach has been validated through numerical simulations, whose results are reported in this paper.

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Paper citation in several formats:
Marzolla, M. and Mirandola, R. (2012). A FRAMEWORK FOR QOS-AWARE EXECUTION OF WORKFLOWS OVER THE CLOUD.In Proceedings of the 2nd International Conference on Cloud Computing and Services Science - Volume 1: CLOSER, ISBN 978-989-8565-05-1, pages 216-221. DOI: 10.5220/0003898702160221

@conference{closer12,
author={Moreno Marzolla. and Raffaela Mirandola.},
title={A FRAMEWORK FOR QOS-AWARE EXECUTION OF WORKFLOWS OVER THE CLOUD},
booktitle={Proceedings of the 2nd International Conference on Cloud Computing and Services Science - Volume 1: CLOSER,},
year={2012},
pages={216-221},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003898702160221},
isbn={978-989-8565-05-1},
}

TY - CONF

JO - Proceedings of the 2nd International Conference on Cloud Computing and Services Science - Volume 1: CLOSER,
TI - A FRAMEWORK FOR QOS-AWARE EXECUTION OF WORKFLOWS OVER THE CLOUD
SN - 978-989-8565-05-1
AU - Marzolla, M.
AU - Mirandola, R.
PY - 2012
SP - 216
EP - 221
DO - 10.5220/0003898702160221

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