Abstract
Helsinki Telephone Company Research is currently involved in a project evaluating suitability of CORBA as a presentation layer distribution technology for streams.
One application of CORBA is connection management of streams, that is basically as a replacement of signalling for communicating objects transferring voice and video, for instance for video-on-demand or videotelephony. Another application is service management, like ordering videotelephony or video-on-demand service.
These kind of scenarios can be build using the ideas from TINA-C so that the operational and stream interfaces of TINA DCE are realised by CORBA and the stream transport by IP. The role of TINA is to clarify the relations of customers, retailers and third party content providers by mapping the relations to TINA reference points.
Quality aspects of the streams in this kind of solution are essential from many points of view. Firstly, a solution replacing signalling for streams must meet sufficient delay and blocking requirements similar to those of SS7. Secondly, passing QoS requirements to the underlying GIOP has to be investigated. Thirdly, reliability/robustness issues are very relevant in a transparent distribution method such as CORBA — how does the solution react to unavailability of a remote object and so on.
This paper does not present ready solutions but explains initial ideas and problematic.
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Jormakka, J. (1997). Quality of Service questions of stream objects built on CORBA. In: Gaïti, D. (eds) Intelligent Networks and Intelligence in Networks. IFIP — The International Federation for Information Processing. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35323-4_2
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DOI: https://doi.org/10.1007/978-0-387-35323-4_2
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