Open service access for qos control in next generation networks – improving the OSA/Parlay connectivity manager

Authors:
Samson Lee;John Leaney;Tim O’Neill;Mark Hunter
Affiliations:
Institute for Information and Communication Technologies, University of Technology, Sydney, Broadway, Australia;Institute for Information and Communication Technologies, University of Technology, Sydney, Broadway, Australia;Institute for Information and Communication Technologies, University of Technology, Sydney, Broadway, Australia;Alcatel, Australia
Venue:
IPOM'05 Proceedings of the 5th IEEE international conference on Operations and Management in IP-Based Networks
Year:
2005

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Abstract

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.