Soft real-time application execution with dynamic quality of service assurance (original) (raw)

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Evolution of the Internet QoS and support for soft real-time applications

Proceedings of the IEEE, 2003

The past few years have witnessed the emergence of many real-time networked applications on the Internet. These types of applications require special support from the underlying network such as reliability, timeliness, and guaranteed delivery, as well as different levels of ...

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A service oriented monitoring framework for soft real-time applications

2010

The advancements in distributed computing have driven the emergence of Service Oriented infrastructures that allow for 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 multimedia applications. Monitoring mechanisms are a fundamental part in service-based platforms that support realtime QoS guarantees by providing coherent and consistent real-time attributes at various levels of the infrastructure (application, network, storage, processing). In this paper we present an architectural design and implementation of a complete monitoring framework for measuring QoS at both application and infrastructure levels targeting trigger events for runtime adaptability of resource provisioning estimation and decision-making. We also demonstrate the operation of the implemented mechanism and evaluate its effectiveness using an application scenario, namely Film Postproduction.

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Soft real-time application execution with dynamic quality of service assurance (original) (raw)

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