Boniface, Mike, Nasser, Bassem, Papay, Juri, Phillips, Stephen, Servin, Arturo, Zlatev, Zlatko, Yang, Kevin X., Katsaros, G., Konstanteli, K., Kousiouris, G., Menychtas, A., Kyriazis, D. and Gogouvitis, S .
Platform-as-a-service architecture for real-time quality of service management in clouds.
In, Internet and Web Applications and Services: ICIW 2010 Fifth International Conference, Barcelona, ES,
Cloud computing offers the potential to dramatically reduce the cost of software services through the commoditization of information technology assets and on-demand usage patterns. However, the complexity of determining resource provision policies for applications in such complex environments introduces significant inefficiencies and has driven the emergence of a new class of infrastructure called Platform-as-a-Service (PaaS). In this paper, we present a novel PaaS architecture being developed in the EU IST IRMOS project targeting real-time Quality of Service (QoS) guarantees for online interactive multimedia applications. The architecture considers the full service lifecycle including service engineering, service level agreement design, provisioning and monitoring. QoS parameters at both application and infrastructure levels are given specific attention as the basis for provisioning policies in the context of temporal constraints. The generic applicability of the architecture is being verified and validated through implemented scenarios from three important application sectors (film post-production, virtual augmented reality for engineering design, collaborative e-Learning in virtual worlds).
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