SLA-based Profit Optimization in Cloud Bursting PaaS

Djawida Dib 1 Nikos Parlavantzas 1 Christine Morin 1
1 MYRIADS - Design and Implementation of Autonomous Distributed Systems
IRISA-D1 - SYSTÈMES LARGE ÉCHELLE, Inria Rennes – Bretagne Atlantique
Abstract : PaaS (Platform as a service) is an increasingly popular cloud model, providing a complete development and hosting environment for cloud applications. As the use of PaaS becomes pervasive, defining and maintaining SLAs (Service Level Agreements) between PaaS customers and providers becomes essential. Useful SLAs should provide guarantees on application quality properties (e.g., response time) rather than on resource availability (e.g., number of virtual machines). Current PaaS offerings either provide no support for providing such guarantees or provide support targeting a restricted set of application types. In this paper, we propose an SLA-driven PaaS architecture, called Meryn, which supports cloud bursting and is designed to be easily extensible to host new application types. Meryn relies on a decentralized optimization policy that aims at maximizing the overall provider profit, taking into account the payment of penalties incurred when quality guarantees are unsatisfied. We implemented and evaluated a prototype of the Meryn system through a series of simulations on the Grid5000 testbed.The results show that our approach provides up to 14.77% more profit for the provider and uses up to 80.99% less public clouds resources compared with a basic approach.
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Djawida Dib, Nikos Parlavantzas, Christine Morin. SLA-based Profit Optimization in Cloud Bursting PaaS. 14th IEEE/ACM International Symposium on Cluster, Cloud and Grid Computing, May 2014, Chicago, United States. ⟨hal-00940299⟩

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