Service Level Agreements-Driven Management of Distributed Applications in Cloud Computing Environments

Antonescu, Alexandru-Florian; Braun, Torsten (May 2015). Service Level Agreements-Driven Management of Distributed Applications in Cloud Computing Environments. In: IFIP/IEEE International Symposium on Integrated Network Management, Dissertation Session. IEEE/IFIP

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Cloud Computing enables provisioning and distribution of highly scalable services in a reliable, on-demand and sustainable manner. However, objectives of managing enterprise distributed applications in cloud environments under Service Level Agreement (SLA) constraints lead to challenges for maintaining optimal resource control. Furthermore, conflicting objectives in management of cloud infrastructure and distributed applications might lead to violations of SLAs and inefficient use of hardware and software resources. This dissertation focusses on how SLAs can be used as an input to the cloud management system, increasing the efficiency of allocating resources, as well as that of infrastructure scaling. First, we present an extended SLA semantic model for modelling complex service-dependencies in distributed applications, and for enabling automated cloud infrastructure management operations. Second, we describe a multi-objective VM allocation algorithm for optimised resource allocation in infrastructure clouds. Third, we describe a method of discovering relations between the performance indicators of services belonging to distributed applications and then using these relations for building scaling rules that a CMS can use for automated management of VMs. Fourth, we introduce two novel VM-scaling algorithms, which optimally scale systems composed of VMs, based on given SLA performance constraints. All presented research works were implemented and tested using enterprise distributed applications.

Item Type:	Conference or Workshop Item (Paper)
Division/Institute:	08 Faculty of Science > Institute of Computer Science (INF) > Communication and Distributed Systems (CDS) 08 Faculty of Science > Institute of Computer Science (INF)
UniBE Contributor:	Braun, Torsten
Subjects:	000 Computer science, knowledge & systems 500 Science > 510 Mathematics
Publisher:	IEEE/IFIP
Language:	English
Submitter:	Dimitrios Xenakis
Date Deposited:	07 May 2015 15:43
Last Modified:	05 Dec 2022 14:46
URI:	https://boris.unibe.ch/id/eprint/68003