FTBM: A Fault-Tolerant BIER Multicast for MBMS in 5G/B5G Dynamic Edge Networks

IF 4.8 1区计算机科学 Q2 ENGINEERING, ELECTRICAL & ELECTRONIC

IEEE Transactions on Broadcasting Pub Date : 2025-03-07 DOI:10.1109/TBC.2025.3541889

Honglin Fang;Peng Yu;Xinxiu Liu;Ying Wang;Wenjing Li;Xuesong Qiu;Zhaowei Qu

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引用次数: 0

Abstract

The evolution of 5G and Beyond 5G (B5G) networks has intensified the demand for efficient Multimedia Broadcast Multicast Services (MBMS), particularly in dynamic edge environments. The frequent alterations in network topology and multicast group configurations in these environments present substantial scalability challenges for traditional IP MultiCast (IPMC) mechanisms. Bit Index Explicit Replication (BIER) offers a stateless IPMC alternative that mitigates the limitations of traditional IPMC mechanisms. However, it still encounters fault tolerance issues in dynamic edge networks, where link faults occur frequently. This paper propose a Fault-Tolerant BIER Multicast (FTBM) mechanism specifically designed for MBMS in dynamic edge networks. FTBM optimizes BIER multicast paths by employing Multi-Agent Deep Reinforcement Learning (MADRL) to minimize transmission delays while addressing constraints such as random link faults, limited queue capacity, and forwarding restrictions. Extensive simulations demonstrate that FTBM significantly enhances multicast performance under varying traffic loads and dense fault conditions, leading to improved transmission efficiency and network load balancing. This work provides a resilient and scalable solution for next-generation MBMS in dynamic network environments.

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FTBM: 5G/B5G动态边缘网络中MBMS的容错BIER组播

5G和超5G （B5G）网络的发展加剧了对高效多媒体广播多播服务（MBMS）的需求，特别是在动态边缘环境中。在这些环境中，网络拓扑结构和组播组配置的频繁变化给传统的IP组播（IPMC）机制带来了巨大的可扩展性挑战。Bit Index Explicit Replication （BIER）提供了一种无状态的IPMC替代方案，减轻了传统IPMC机制的局限性。但是，在链路故障频繁发生的动态边缘网络中，仍然存在容错问题。针对动态边缘网络中的MBMS，提出了一种容错BIER组播（FTBM）机制。FTBM通过使用多智能体深度强化学习（MADRL）来优化BIER组播路径，以最大限度地减少传输延迟，同时解决诸如随机链路故障，有限队列容量和转发限制等约束。大量的仿真结果表明，在不同的流量负载和密集的故障条件下，FTBM可以显著提高组播性能，从而提高传输效率和网络负载均衡。这项工作为动态网络环境下的下一代MBMS提供了弹性和可扩展的解决方案。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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来源期刊

IEEE Transactions on Broadcasting 工程技术-电信学

CiteScore

9.40

自引率

31.10%

发文量

审稿时长

6-12 weeks

期刊介绍： The Society’s Field of Interest is “Devices, equipment, techniques and systems related to broadcast technology, including the production, distribution, transmission, and propagation aspects.” In addition to this formal FOI statement, which is used to provide guidance to the Publications Committee in the selection of content, the AdCom has further resolved that “broadcast systems includes all aspects of transmission, propagation, and reception.”