Grid-Based SLA Management

Padgett, James; Djemame, Karim; Dew, Peter M.

doi:10.1007/11508380_110

Cited by 21 publications

(12 citation statements)

References 5 publications

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“…SLAs can be defined as contracts between users and service providers, in which all expectations and obligations are explicitly defined [3]. They represent a legal statement of the QoS expectations established on each SLA that both participants of the negotiation expect to achieve and the responsibilities and obligations that both participants assume.…”

Section: Service Level Agreementsmentioning

confidence: 99%

“…Moreover, there are proposals that contribute to the topic by proposing the use of SLAs within service-oriented Grid environments in order to provide on-demand QoS [33,34]. Although these proposals consider the use of resource reservation as in our work, they both lack of using multiple QoS scheduling mechanisms, such as Scheduling in Advance in conjunction with resource reservation, and consequently consider a simple QoS scheme without level differentiation.…”

Section: Service Level Agreementsmentioning

confidence: 99%

“…Other fields like SLA management [38,39], QoS implications [40] or semantic and virtualization exploitation [41] have also been actively researched.…”

Section: Service Level Agreementsmentioning

confidence: 99%

“…SLAs can be defined as service agreements between users and service providers, in which all expectations and obligations of a service are explicitly defined [3]. Therefore, they are used as formal method between the users and the infrastructure to define the required QoS.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

From volunteer to trustable computing: Providing QoS-aware scheduling mechanisms for multi-grid computing environments

Conejero

Caminero

Carrión

et al. 2014

Future Generation Computer Systems

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From volunteer to trustable computing: Providing QoS-aware scheduling mechanisms for multigrid computing environments. Future generations computer systems, AbstractThe exploitation of service oriented technologies, such as Grid computing, is being boosted by the current service oriented economy trend, leading to a growing need of Quality of Service (QoS) mechanisms. However, Grid computing was created to provide vast amounts of computational power but in a best effort way. Providing QoS guarantees is therefore a very difficult and complex task due to the distributed and heterogeneous nature of their resources, specially the volunteer computing resources (e.g., desktop resources).The scope of this paper is to empower an integrated multi QoS support suitable for Grid Computing environments made of either dedicated and volunteer resources, even taking advantage of that fact. The QoS is provided through SLAs by exploiting different available scheduling mechanisms in a coordinated way, and applying appropriate resource usage optimization techniques. It is based on the differentiated use of reservations and scheduling in advance techniques, enhanced with the integration of rescheduling techniques that improve the allocation decisions already made, achieving a higher re- source utilization and still ensuring the agreed QoS. As a result, our proposal enhances best-effort Grid environments by providing QoS aware scheduling capabilities. This proposal has been validated by means of a set of experiments performed in a real Grid testbed. Results show how the proposed framework effectively harnesses the specific capabilities of the underlying resources to provide every user with the desired QoS level, while, at the same time, optimizing the resources' usage.

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Section: Service Level Agreementsmentioning

confidence: 99%

Section: Service Level Agreementsmentioning

confidence: 99%

“…Other fields like SLA management [38,39], QoS implications [40] or semantic and virtualization exploitation [41] have also been actively researched.…”

Section: Service Level Agreementsmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

See 2 more Smart Citations

From volunteer to trustable computing: Providing QoS-aware scheduling mechanisms for multi-grid computing environments

Conejero

Caminero

Carrión

et al. 2014

Future Generation Computer Systems

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“…In recent years, much attention has been given to automating this negotiation process [3], [4]. Several specifications have been proposed for this purpose, including WS-Agreement [1] and Web Service Level Agreement (WSLA) [5].…”

Section: A Service Level Agreementsmentioning

confidence: 99%

Secure Monitoring of Service Level Agreements

Clark

Warnier

Brazier

et al. 2010

2010 International Conference on Availability, Reliability and Security

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Abstract-Service Level Agreements (SLA) are commonly used to define terms and conditions of service provisioning. WS-Agreement1 is an SLA specification that addresses the need of both producers and consumers of services to specify and negotiate terms and conditions of access to these services. This specification has gained wide acceptance in both the Grid computing and Web Services communities. WS-Agreement includes support for both negotiating and specifying penalties that arise from violation of these terms and conditions. It does not, however, include support for monitoring these agreements to determine if any such violations have occurred and, if so, determining which parties are responsible. This paper proposes a framework and design for secure and reliable monitoring of WS-Agreement specified SLAs. Modifications to WS-Agreement are necessary for effective monitoring. These modifications are outlined, along with an implementation of the framework in the AgentScape middleware system.

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Service selection and workflow mapping for Grids: an approach exploiting quality‐of‐service information

Kyriazis

Tserpes

Menychtas

et al. 2008

Concurrency and Computation

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SUMMARYThe advent of heterogeneous and distributed environments, such as Grid environments, made feasible the solution to computational-intensive problems in a reliable and cost-effective manner. In parallel, workflows with increased complexity that require specialized systems to deal with them are emerging, so as to carry out more composite and mission-critical applications. In that rationale, quality-of-service (QoS) issues need to be tackled in order to ensure that each application satisfies the corresponding user requirements. Therefore, considering the quality provision aspect as fundamental for enabling Grid applications to become QoS compliant, we present an approach for service selection using QoS criteria. The latter is achieved with a suite of components that allow the different mappings of application workflow processes to Grid services that not only meet the user goals and requirements but also maximize his/her benefit in terms of the offered QoS level. We also demonstrate the operation of the aforementioned suite of components and evaluate its performance and effectiveness using a Grid scenario, based on a 3D image rendering application.

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Grid-Based SLA Management

Cited by 21 publications

References 5 publications

From volunteer to trustable computing: Providing QoS-aware scheduling mechanisms for multi-grid computing environments

From volunteer to trustable computing: Providing QoS-aware scheduling mechanisms for multi-grid computing environments

Secure Monitoring of Service Level Agreements

Service selection and workflow mapping for Grids: an approach exploiting quality‐of‐service information

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