Feedback Controlled Quality of Service Enforcement for Service Oriented Architectures

Lodde, Andreas; Schlechter, Antoine; Bauler, Pascal; Biri, Nicolas; Feltz, Fernand

doi:10.1109/scc.2010.31

Cited by 1 publication

(2 citation statements)

References 13 publications

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“…Thereby packages are classified into a limited number of traffic classes. In [13] we have demonstrate how to enhance the compliance to a SLA using a priority based scheduler to modify the processing sequence of incoming service requests. In order to adapt to varying loads, the priorities are feedback controlled based on the utilization of the different services with respect to their service level agreements.…”

Section: Related Workmentioning

confidence: 99%

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SLA-Driven Resource Provisioning in the Cloud

Lodde¹,

Schlechter²,

Bauler³

et al. 2011

2011 First International Symposium on Network Cloud Computing and Applications

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The common way to purchase computing capacity is to acquire a fix amount of servers which are hosted in a data center. The reserved amount of resources depends on the maximum demand that could occur. This over provisioning of resources is associated with high costs. Cloud providers promise to reduce the costs while guaranteeing always a good performance for the outsourced services. A reducing of the costs can be achieved by a better utilization of the resources for example. To optimize resource utilization while complying to the negotiated Service Level Agreements, the minimum amount of resources has to be determined as exactly as possible. Based on the simulated reprocessing of requests from recent history with different numbers of instances, the optimal number can be found in a short time. Further this work shows that an additional reduction of resources can be achieved by rescheduling the requests before processing.

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Section: Related Workmentioning

confidence: 99%

“…In [13] we have shown that the scheduling of service requests based on service differentiation and discrimination is an appropriated method to meet runtime related SLAs. For this reason this paper also analyses the impact of different scheduling policies on the required number of computing instances.…”

Section: Introductionmentioning

confidence: 99%