Quality-based evaluation of multimedia synchronization protocolsfor distributed multimedia information systems
Baqai, S.; Farrukh Khan, M.; Miae Woo; Shinkai, S.; Khokhar, A.A.; Ghafoor, A.
Selected Areas in Communications, IEEE Journal on
Volume 14, Issue 7, Sep 1996 Page(s):1388 - 1403
Digital Object Identifier 10.1109/49.536487
Summary:Distributed, networked multimedia information systems will be a
critical component of technology-based information infrastructures in
the future. We present an infrastructure for supporting multimedia
applications. We discuss various characteristics of multimedia data and
the effect of the network on the required quality of presentation for
multimedia data. We present a suite of synchronization protocols to
support the quality of presentation. The crux of these protocols is the
scheduling of multimedia information for synchronized delivery, over
broadband networks with limited resources, and is identified as an
NP-hard problem. We introduce two parameters which can be used to
measure the performance of end-to-end synchronization protocols in a
network supporting distributed multimedia applications. We propose and
implement several heuristic scheduling algorithms, and compare their
performance. We deduce the appropriateness of these algorithms in
different types of distributed multimedia environments
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