DocumentCode :
3431178
Title :
Designing reliable ATM networks for multimedia interactive IP applications
Author :
Cannarella, Massimo ; Draoli, Mauro ; Gambosi, Giorgio ; Gaibisso, Carlo ; Lancia, Maurizio
Author_Institution :
Ist. di Analisi dei Sistemi ed Inf., CNR, Rome, Italy
fYear :
1998
fDate :
26-29 May 1998
Firstpage :
410
Lastpage :
418
Abstract :
This paper mainly concerns with the design and the performance evaluation of network systems offering a high quality, high reliable videoconferencing service to a community of users dispersed on a metropolitan area. A network topology has been considered in which Ethernet technology based LAN segments are interconnected by a triangular ATM backbone. The main issues of interest in the paper are: the selection and the evaluation of meaningful indices of user satisfaction; the efficiency of Ethernet technology based LAN segments in supporting the real time transmission of multimedia flows; the dimensioning of ATM virtual channels established on a single link; the potentiality of IP and ATM integrated architectures in maintaining the quality of multimedia interactive services in the presence of link fault conditions. Several series of simulations have been performed dealing with different topological configurations, numbers of simultaneously active videoconference sessions, users locations and temporal sequences of activation of the traffic generators. The quality of the user perception has been evaluated with respect to different simulation scenarios. The simulation results show that the ATM technology is a very satisfactory solution to legacy LANs internetworking. ATM link fault tolerance is reached, in a transparent way, simply rerouting ATM switched virtual channels on the available links
Keywords :
LAN interconnection; asynchronous transfer mode; interactive systems; metropolitan area networks; multimedia communication; network topology; telecommunication network reliability; telecommunication network routing; teleconferencing; transport protocols; ATM switched virtual channels; Ethernet technology based LAN segments; IP; integrated architectures; legacy LAN internetworking; link fault conditions; metropolitan area; multimedia flows; multimedia interactive IP applications; multimedia interactive services; network systems; network topology; performance evaluation; real time transmission; reliable ATM networks design; rerouting; simulations; temporal sequences; traffic generators; triangular ATM backbone; user perception quality; user satisfaction indices; users locations; videoconferencing service; virtual channels; Asynchronous transfer mode; Ethernet networks; LAN interconnection; Local area networks; Multimedia systems; Network topology; Paper technology; Spine; Teleconferencing; Urban areas;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
ATM Workshop Proceedings, 1998 IEEE
Conference_Location :
Fairfax, VA
ISSN :
1098-7789
Print_ISBN :
0-7803-4874-5
Type :
conf
DOI :
10.1109/ATM.1998.675205
Filename :
675205
Link To Document :
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