Copy-Token Allocation Control for Adaptive Multicast Routing and Its Performance

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概要

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• An efficient scheme for establishing the multicast-path on ATM network is to configure the tree-shaped path via several intermediate copy nodes. This scheme needs the multicast routing control. Thus, restricting the number of copy nodes was proposed since it make this control fast and simple. However, if restricted number of copy nodes is fixed in the network design, multicast traffic will concentrate around copy nodes, and as a result, the possibility of occurring congestion will be higher. In our research, we permit restricted number of nodes as intermediate nodes which branch the tree-shaped path at routing, and name this permission "copy-token." Namely, the node which has "copy-token" is defined as the copy node. Our research purpose is to distribute the multicast traffic by adaptively allocating "copy-token" to nodes which satisfy the conditions of both the priority for multicasting such as lower offered load and the geographical distribution at the same time. Finally, we evaluate the performance of our proposed routing scheme on the blocking probability through computer simulations.

• 社団法人電子情報通信学会の論文
• 2000-04-25

著者

• Yamauchi Hiroki

  The Authors Are With The Department Of Communications Engineering Osaka University

• Tode Hideki

  The Author Is With The Department Of Information Systems Engineering Graduate School Of Engineering

• Ikeda Hiromasa

  The Authors Are With The Department Of Communications Engineering Osaka University

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• Simple and Efficient Video-on-Demand Scheme with Segment Transmission over High Speed Network
• Copy-Token Allocation Control for Adaptive Multicast Routing and Its Performance
• Hybrid Transmission Scheme on HIPPI-ATM Connection and Its Performance

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