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Multipath Multicast Routing by Traffic Splitting in IP Networks  

Park, Koo-Hyun (홍익대학교 정보컴퓨터공학부)
Shin, Yong-Sik (SK Telecom Network연구원 4G개발팀)
Abstract
This paper proposes an IP(Internet Protocol) multicast routing method by multiple tree routes. Multiple trees, instead of a single tree, improve the quality of multicast services with nonlinear link cost and huge traffic demand. The proposed method adds tree routes until it satisfies target conditions, and it splits the multicast traffic demand into the chosen tree routes. We develop a mathematical model and optimal conditions for traffic splitting. The method works on the problems with many different simultaneous multicast traffic. Various experiments were carried and the results show that the new multicasting is fairly effective on end-to-end quality of services.
Keywords
IP network; multicasting; multiple tree routes; traffic splitting; end-to-end quality of service;
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