caa a22 4500 477132723 CHVBK 20180405111708.0 cr unu---uuuuu 170330e19970101xx s 000 0 eng 10.1007/s005300050040 doi (NATIONALLICENCE)springer-10.1007/s005300050040 Floor control for multimedia conferencing and collaboration [Elektronische Daten] [Hans-Peter Dommel, J.J. Garcia-Luna-Aceves] Abstract.: Floor control allows users of networked multimedia applications to utilize and share resources such as remote devices, distributed data sets, telepointers, or continuous media such as video and audio without access conflicts. Floors are temporary permissions granted dynamically to collaborating users in order to mitigate race conditions and guarantee mutually exclusive resource usage. A general framework for floor control is presented. Collaborative environments are characterized and the requirements for realization of floor control will be identified. The differences to session control, as well as concurrency control and access control are elicited. Based upon a brief taxonomy of collaboration-relevant parameters, system design issues for floor control are discussed. Floor control mechanisms are discerned from service policies and principal architectures of collaborative systems are compared. The structure of control packets and an application programmer's interface are proposed and further implementation aspects are elaborated. User-related aspects such as floor presentation, assignment, and the timely stages of floor-controlled interaction in relation to user-interface design are also presented. Springer-Verlag Berlin Heidelberg, 1997 Key words:Multimedia collaboration - Distributed application sharing - CSCW - Middleware for session orchestration - Floor control for shared multimedia objects nationallicence Dommel Hans-Peter Baskin Center for Computer Engineering & Information Sciences, University of California, Santa Cruz, CA 95064, USA, US aut Garcia-Luna-Aceves J.J. Baskin Center for Computer Engineering & Information Sciences, University of California, Santa Cruz, CA 95064, USA, US aut https://doi.org/10.1007/s005300050040 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s005300050040 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Dommel Hans-Peter Baskin Center for Computer Engineering & Information Sciences, University of California, Santa Cruz, CA 95064, USA, US aut NATIONALLICENCE 700 1- Garcia-Luna-Aceves J.J. Baskin Center for Computer Engineering & Information Sciences, University of California, Santa Cruz, CA 95064, USA, US aut Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer