A Hybrid-Topology Overlay Network for Supporting Large-Scale Application-Level Multicast

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A Hybrid-Topology Overlay Network for Supporting Large-Scale Application-Level Multicast

更新时间：2025-07-09

- A Hybrid-Topology Overlay Network for Supporting Large-Scale Application-Level Multicast
- Vol. 44, Issue 2, Pages: 11-14+30(2010)
- 作者机构：
  
  1. 西安交通大学计算机科学与技术系,西安,710049
  2. 西安交通大学智能网络与网络安全教育部重点实验室,西安,710049
- 作者简介：
- 基金信息：
- DOI：
  CLC： TP393
- Published：2010
- 稿件说明：
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A Hybrid-Topology Overlay Network for Supporting Large-Scale Application-Level Multicast[J]. 2010, 44(2): 11-14+30.
DOI：

A Hybrid-Topology Overlay Network for Supporting Large-Scale Application-Level Multicast[J]. 2010, 44(2): 11-14+30. DOI：

摘要

提出一种支持大规模应用层组播的混合拓扑覆盖网络——H-ALM.将传输覆盖网络分为主干层和分支层

主干层采用树状结构

分支层采用网状结构.H-ALM克服了单一树状结构传输稳定性差和单一网状结构传输延迟大的不足

同时综合考虑节点规模、节点的带宽能力、节点累计转发和接收数据量等实时的状态和网络条件

从而进一步优化了混合式传输覆盖网络.实验表明

H-ALM比树状方法更稳定

比网状方法延迟更小.

Abstract

A hybrid-topology overlay network for large-scale application-level multicast-H-ALM is proposed. The overlay network is divided into two tiers by H-ALM. One is the backbone layer that has a tree-based topology; and the other is the branch layer that has a mesh-based topology. It is known that the stability of the pure tree-based topology is not good enough for distributing streaming data; and stream delivery over the pure mesh-based topology suffers from high delay yet. The H-ALM overcomes these shortcomings by combining the merits of the tree-based topology and the mesh-based topology

and optimizes the two-tier hybrid overlay network by considering the real-time status and network conditions such as the scale of the overlay

bandwidth capacity of nodes

the cumulative data traffic that each node relayed and received and so on. Therefore

the performance of stability and communication delay of distributing streaming data are improved. Experimental results show that the H-ALM achieves better stability than the tree-based overlay and lower transmission delay than the mesh-based overlay.

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references

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