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A Scalable Overlay Multicast Architecture for Large-Scale Applications

机译:适用于大规模应用的可扩展覆盖多播架构

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摘要

In this paper, we propose a Two-tier Overlay Multicast Architecture (TOMA) to provide scalable and efficient multicast support for various group communication applications. In TOMA, Multicast Service Overlay Network (MSON) is advocated as the backbone service domain, while end users in access domains form a number of small clusters, in which an application-layer multicast protocol is used for the communication between the clustered end users. TOMA is able to provide efficient resource utilization with less control overhead, especially for large-scale applications. It also alleviates the state scalability problem and simplifies multicast tree construction and maintenance when there are large numbers of groups in the network. To help MSON providers efficiently plan backbone service overlay, we suggest several provisioning algorithms to locate proxies, select overlay links, and allocate link bandwidth. Extensive simulation studies demonstrate the promising performance of TOMA.
机译:在本文中,我们提出了一种两层覆盖多播体系结构(TOMA),以为各种组通信应用程序提供可扩展且有效的多播支持。在TOMA中,多播服务覆盖网络(MSON)被提倡用作骨干服务域,而访问域中的最终用户则形成了许多小型群集,其中,应用程序层多播协议用于群集的最终用户之间的通信。 TOMA能够以较少的控制开销提供有效的资源利用,尤其是对于大型应用程序。当网络中存在大量组时,它还可以缓解状态可伸缩性问题,并简化多播树的构建和维护。为了帮助MSON提供者有效地计划骨干服务覆盖,我们建议使用几种配置算法来定位代理,选择覆盖链路并分配链路带宽。大量的仿真研究表明,TOMA的性能令人鼓舞。

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