| Topology-aware Overlay Multicast over IP Multicast Networks |
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| 作者姓名： | 陈逍 邵华钢 汪为农 |
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| 作者单位： | [1]Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China [2]Regional Network Center of East China, Shanghai 200030, China |
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| 摘 要： | Most existing overlay multicast approaches refuse to consider any network layer support no matter whether it is available or not. This design principle greatly increases the complexity of the routing algorithms and makes the overlay topologies incompatible with the underlying network. To address these issues, topologyaware overlay multicast over IP multicast networks （TOMIMN） was proposed as a novel overlay multicast protocol, which exploits the cooperation between end-hosts and IP multicast routers to construct a topologyaware overlay tree. Through a little modification to protocol independent multicast sparse mode （PIM-SM）, a multicast router is able to receive registration from nearby group members and redirect passing-by join requests to them. Due to the multicast router＇s support, TOMIMN organizes its group members into an overlay multicast tree efficiently, which matches the physical network topology well.
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| 关 键 词： | 多点传输系统 计算机技术 网络技术 网络地址 |
| 收稿时间： | 2006-06-06 |
Topology-aware overlay multicast over IP multicast networks |
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| Xiao?Chen,Hua-gang?Shao,Wei-nong?Wang.Topology-aware Overlay Multicast over IP Multicast Networks[J].Journal of Shanghai Jiaotong university,2008,13(1):91-96. |
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| Authors: | Xiao Chen Hua-gang Shao Wei-nong Wang |
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| Institution: | 1. Department of Computer Science and Engineering, Shanghai Jiaotong University, Shanghai 200240, China
2. Regional Network Center of East China, Shanghai 200030, China |
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| Abstract: | Most existing overlay multicast approaches refuse to consider any network layer support no matter whether it is available or not. This design principle greatly increases the complexity of the routing algorithms and makes the overlay topologies incompatible with the underlying network. To address these issues, topology-aware overlay multicast over IP multicast networks (TOMIMN) was proposed as a novel overlay multicast protocol, which exploits the cooperation between end-hosts and IP multicast routers to construct a topology-aware overlay tree. Through a little modification to protocol independent multicast sparse mode (PIM-SM),a multicast router is able to receive registration from nearby group members and redirect passing-by join re-quests to them. Due to the multicast router's support, TOMIMN organizes its group members into an overlay multicast tree efficiently, which matches the physical network topology well. |
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| Keywords: | overlay networking network architecture overlay multicast |
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