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Synchronization in Joint-Viewing Environments

title Synchronization in Joint-Viewing Environments
creator Rothermel, Kurt
Dermler, Gabriel
date 1992-01
language ger
identifier  http://www.informatik.uni-stuttgart.de/cgi-bin/NCSTRL/NCSTRL_view.pl?id=INPROC-1992-01&engl=1
description Recent technology advances have made computer-based multimedia cooperation among distributed users feasible. Joint-Viewing (JV) is one such proposed cooperation concept. Correct interaction in it requires synchronization at various levels. In this paper we focus on synchronization aspects on the data stream level. We present several JV scenarios and state for each of these requirements concerning interstream synchronization. Then we introduce basic abstractions of a synchronisazion scheme which is powerful enough to model a variety of JV configurations with their various synchronization needs. The presented scheme is based on the notion of a referencing system which consists of a set of logical clocks each defining a different time zone in the referencing system. Logical clocks provide timing information for input and output devices which are used to produce and consume data in a synchronized fashion.
publisher not available
type Text
Article in Proceedings
source In: Proceedings of the Third Intl. Workshop on Network and Operating System Support for Digital Audio and Video., pp. 97-109
ftp://ftp.informatik.uni-stuttgart.de/pub/library/ncstrl.ustuttgart_fi/INPROC-1992-01/INPROC-1992-01.ps
contributor Verteilte Systeme (IPVR)
format application/postscript
131834 Bytes
subject Information Systems (CR H)