DOI: 10.5176/978-981-08-7654-8_R-47

Authors: Dimosthenis Kyriazis, Andreas Menychtas, George Kousiouris, Michael Boniface, Tommaso Cucinotta, Karsten Oberle, Thomas Voith, Alcatel Lucent, Eduardo Oliveros, Sören Berger

Abstract:
The advancements in distributed computing havedriven the emergence of service-based infrastructures that allowfor on-demand provision of ICT assets. Taking into consideration the complexity of distributed environments, significant challenges exist in providing and managing the offered on-demand resources with the required level of Quality of Service (QoS),especially for real-time interactive and streaming applications. In this paper we propose an approach for providing real-time QoS guarantees by enhancing service oriented infrastructures with coherent and consistent real-time attributes at various levels(application, network, storage, processing). The approach considers the full lifecycle of service-based systems including service engineering, Service Level Agreement (SLA) negotiation and management, service provisioning and monitoring. QoS parameters at application, platform and infrastructure levels are given specific attention as the basis for provisioning policies inthe context of temporal constraints.

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