A Distributed Group Conference System for LANs using Multicasting
Date Issued
2004
Date
2004
Author(s)
Syu, Wei-Hao
DOI
en-US
Abstract
Video conference systems provide a new approach for people to communicate with each other beyond the restriction of geographies. There are three types of a video conference system: the broadcast, the peer-to-peer conference, and the group (multipoint) conference. A group conference system is more complex, and usually needs more equipment in this architecture. All the client-nodes connect to a central sever, and send/receive their data to/from the server. We try to develop a PC-based video conference on LANs. In our architecture, we utilize the properties of multicast and eliminate the needs for an expensive multipoint control unit. Since we eliminate the multipoint control unit in our architecture, the functions of MCU, such as video switching, video mixing, signalling, and controlling, should be implemented in another way. We approach this problem by a distributed way that each node handles signalling and controlling and synchronizes there contact lists with other nodes. Even without central server, all the users in our architecture can get almost the same and accurate user list, and create chat room as they need.
Subjects
Video Conferencing
Type
thesis
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