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Authors: Yousri Kouki and Thomas Ledoux

Affiliation: Ecole des Mines de Nantes, France

Keyword(s): Cloud Computing, Elasticity, Quality-of-Service (QoS), Service Level Agreement (SLA), SLA Violations.

Related Ontology Subjects/Areas/Topics: Cloud Computing ; Cloud Computing Enabling Technology ; Cloud Ilities (Scalability, Availability, Reliability) ; Cloud Standards ; Fundamentals ; Monitoring of Services, Quality of Service, Service Level Agreements ; Performance Development and Management

Abstract: Cloud computing is a paradigm for enabling remote, on-demand access to a set of configurable computing resources as a service. The pay-per-use model enables service providers to offer their services to customers in different Quality-of-Service (QoS) levels. Service Level Agreement (SLA) is a negotiated agreement between a service provider and a customer where QoS parameters specify the quality level of service that the service provider have to guarantee. However, due to the dynamic nature of the Cloud and its instability, some SLA violations can occurred and the service providers can be charged for penalties. In this paper, we aim at addressing the Cloud instability to better control SLA management (in particular SLA violations) and indirectly the Cloud elasticity. We propose CSLA, a new SLA language directly integrating some features dealing with QoS uncertainty and Cloud fluctuation. In our evaluation, we present a novel profit model for service provider and new algorithms (for adm ission control and scheduling) to meet SLA requirements (e.g. prevent SLA violations) while tackling scalability and dynamic issues. (More)

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Paper citation in several formats:
Kouki, Y. and Ledoux, T. (2012). CSLA: A LANGUAGE FOR IMPROVING CLOUD SLA MANAGEMENT. In Proceedings of the 2nd International Conference on Cloud Computing and Services Science - CLOSER; ISBN 978-989-8565-05-1; ISSN 2184-5042, SciTePress, pages 586-591. DOI: 10.5220/0003956405860591

@conference{closer12,
author={Yousri Kouki. and Thomas Ledoux.},
title={CSLA: A LANGUAGE FOR IMPROVING CLOUD SLA MANAGEMENT},
booktitle={Proceedings of the 2nd International Conference on Cloud Computing and Services Science - CLOSER},
year={2012},
pages={586-591},
publisher={SciTePress},
organization={INSTICC},
doi={10.5220/0003956405860591},
isbn={978-989-8565-05-1},
issn={2184-5042},
}

TY - CONF

JO - Proceedings of the 2nd International Conference on Cloud Computing and Services Science - CLOSER
TI - CSLA: A LANGUAGE FOR IMPROVING CLOUD SLA MANAGEMENT
SN - 978-989-8565-05-1
IS - 2184-5042
AU - Kouki, Y.
AU - Ledoux, T.
PY - 2012
SP - 586
EP - 591
DO - 10.5220/0003956405860591
PB - SciTePress