Architectural design and bandwidth demand analysis for multiparty ideoconferencing on SONET/ATM rings

被引:11
作者
Feng, G [1 ]
Siew, CK
Yum, TSP
机构
[1] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore, Singapore
[2] Chinese Univ Hong Kong, Dept Informat Engn, Shatin, Hong Kong, Peoples R China
关键词
ATM/SONET rings; bandwidth demand; multicasting; videoconferencing;
D O I
10.1109/JSAC.2002.803992
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In this paper, we propose a scheme for implementing multiparty videoconferencing service on SONET/ATM rings. We focus on the architectural design and bandwidth demand analysis. Different multicasting methods on SONET/ATM rings are discussed and compared. A new multicast virtual path (VP) called "Multidrop VP" which is particularly suitable for SONET/ATM rings is proposed. An add-drop multiplexes (ADM) structure for rings capable of multidropping is also presented. Several VP assignment schemes are proposed and their bandwidth utilizations are compared.
引用
收藏
页码:1580 / 1588
页数:9
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