Open service access for QoS control in next generation networks - Improving the OSA/Parlay connectivity manager

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Conference Proceeding
Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2005, 3751 LNCS pp. 29 - 38
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The need for providing applications with practical, manageable access to feature-rich capabilities of telecommunications networks has resulted in standardization of the OSA/Parlay APIs and more recently the Parlay X Web Services. Connectivity Manager is an existing, 'stable' API for establishing QoS parameters in a network. However, it falls short as an interface to the expected requirements based on recent drafts of ETSI TISPAN's Resource Admission Control Subsystem. We analyze these requirements and suggest some improvements, which are incorporated into a new Parlay X Web Service specification. Furthermore, we describe our efforts to date in implementing a prototype of the specifications as well as our experience in utilizing the prototype to develop an example QoS-aware multimedia application. © Springer-Verlag Berlin Heidelberg 2005.
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