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Making networked virtual environments work
RISE, Swedish ICT, SICS.ORCID iD: 0000-0002-0095-9241
2001 (English)In: Presence - Teleoperators and Virtual Environments, ISSN 1054-7460, E-ISSN 1531-3263, Vol. 10, p. 142-159Article in journal (Refereed) Published
Abstract [en]

Collaborative virtual environments (CVEs) are a promising technology enabling remote participants to share a common place through three-dimensional graphical scenes. Within the COVEN project (Normand, 1999), we have run prolonged series of Internet trials that have allowed us to gather valuable data to formulate usability guidelines and networking requirements. However, running such trials in a real setting and making sure that the application and networking infrastructures will be stable enough is still a challenge. In this paper, we describe some of our experiences, together with the technical choices that have permitted many hours of successful Internet trials. We also make a thorough analysis of different correlated logging data. This analysis allows us to propose and confirm a model of a CVE application's network behaviour, together with a number of interesting results that disprove some common assumptions. Furthermore, we use the model and the logging data to highlight the benefits of IP multicasting and for predicting traffic behaviours and bandwidth use on top of different logical network topologies.

Place, publisher, year, edition, pages
2001, 2. Vol. 10, p. 142-159
National Category
Computer and Information Sciences
Identifiers
URN: urn:nbn:se:ri:diva-22577DOI: 10.1162/105474601750216777OAI: oai:DiVA.org:ri-22577DiVA: diva2:1042142
Available from: 2016-10-31 Created: 2016-10-31 Last updated: 2018-01-14Bibliographically approved

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