VC Management for Heterogeneous QoS Multicast Transmissions |
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Authors: | Schmitt Jens Wolf Lars Karsten Martin Steinmetz Ralf |
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Affiliation: | (1) Industrial Process and System Communications, Department of Electrical Engineering & Information Technology, Darmstadt University of Technology, Merckstr. 25, D-64283 Darmstadt, Germany;(2) GMD IPSI, German National Research Center for Information Technology, Dolivostr. 15, D-64293 Darmstadt, Germany |
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Abstract: | A crucial component of the interaction between ATM's and the Internet's Quality of Service (QoS) architectures is the efficient mapping of RSVP (Resource reSerVation Protocol) as the Internet's signalling protocol onto the according ATM mechanisms. In particular, this article focuses on one of the most contrary characteristics of RSVP and ATM signalling. This is the support for heterogeneous reservations by RSVP over the ATM subnetwork, taking into account that ATM only allows for a homogeneous QoS within a single Virtual Circuit (VC). We present previous approaches to the solution of this problem and argue for more sophisticated and efficient approaches to manage ATM VCs taking into consideration ATM tariffs and resource consumption. |
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Keywords: | IP/ATM networks multicast heterogeneous reservations resource management cost management |
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