GlueQoS: Middleware to Sweeten Quality-of-Service Policy Interactions

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GlueQoS: Middleware to Sweeten Quality-of-Service Policy Interactions (2004)

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by Eric Wohlstadter , Stefan Tai , Thomas Mikalsen , Isabelle Rouvellou , Premkumar Devanbu

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@INPROCEEDINGS{Wohlstadter04glueqos:middleware,
    author = {Eric Wohlstadter and Stefan Tai and Thomas Mikalsen and Isabelle Rouvellou and Premkumar Devanbu},
    title = {GlueQoS: Middleware to Sweeten Quality-of-Service Policy Interactions},
    booktitle = {},
    year = {2004},
    pages = {189--199},
    publisher = {IEEE Computer Society}
}

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Abstract

A holy grail of component-based software engineering is “write-once, reuse everywhere”. However, in modern distributed, component-based systems supporting emerging application areas such as service-oriented e-business (where web services are viewed as components) and Peer-to-Peer computing, this is difficult. Non-functional requirements (related to qualityof-service (QoS) issues such as security, reliability, and performance) vary with deployment context, and sometimes even at run-time, complicating the task of re-using components. In this paper, we present a middleware-based approach to managing dynamically changing QoS requirements of components. Policies are used to advertise non-functional capabilities and vary at run-time with operating conditions. We also provide middleware enhancements to match, interpret, and mediate QoS requirements of clients and servers at deployment time and/or runtime. 1

Keyphrases

sweeten quality-of-service policy interaction non-functional capability mediate qos requirement deployment time application area qos requirement web service component-based software engineering service-oriented e-business non-functional requirement re-using component middleware enhancement component-based system deployment context holy grail operating condition middleware-based approach peer-to-peer computing

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