| 支持实时多媒体传输的应用层组播系统 |
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| 引用本文： | 陈庆吉. 支持实时多媒体传输的应用层组播系统[J]. 计算机工程, 2005, 31(4): 136-138,140 |
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| 作者姓名： | 陈庆吉 |
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| 作者单位： | 北京航空航天大学计算机科学学院,北京,100083 |
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| 基金项目： | 国家高技术研究发展计划基金资助项目(2001AA113030) |
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| 摘 要： | 由于IP组播并未取得预期的成功，研究人员又提出了由终端主机来代替路由器实现群组通信功能。针对实时多媒体传输的特点以及目前单组播网络混合存在的现状，该文提出了一利，新的支持实时多媒体传输的应用层组播系统。在系统中，多个网关形成一层覆盖网，由网关完成数据的复制、分发以及组的成员管理，从而在应用层实现了群组通信的功能。
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| 关 键 词： | 应用层组播 实时多媒体 网关 Overlay multicast |
| 文章编号： | 1000-3428(2005)04-0136-03 |
Application Level Multicast System for Real-time Multimedia Transportation |
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| CHEN Qingji. Application Level Multicast System for Real-time Multimedia Transportation[J]. Computer Engineering, 2005, 31(4): 136-138,140 |
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| Authors: | CHEN Qingji |
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| Abstract: | Due to unsuccessful experiment about IP multicasting system, researchers have proposed a new approach that is to realize the group communication function by using end system which substitutes router. Focusing on the character of real-time multimedia transportation and also the mixture situation of unicast and multicast, this paper presents a multicast system for real-time multimedia transportation in application level. In the system, several gateways composite an overlay network, and each gateway takes charge of duplicating and dispatching data packets and group member management. |
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| Keywords: | application-level-multicast Real-time mulitmedia Gateway Oerlay multicast |
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