无线网络上的 NDN 组播:关于基本原理、挑战和开放问题的调查

IF 4.4 2区 计算机科学 Q1 COMPUTER SCIENCE, HARDWARE & ARCHITECTURE
André Luiz R. Madureira , Leobino N. Sampaio
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引用次数: 0

摘要

过去十年间,由于智能设备的激增和带宽需求高的应用的出现,无线设备的数据需求呈现出显著增长。这种不断增长的数据流量需求使无线电频谱变得拥挤不堪,导致无线组播方案再次成为热门研究课题,因为它们能提供高效的数据传播。NDN 在设计上支持组播通信。它是一个由命名实体组成的网络系统,采用的通信模型侧重于内容而非位置。该架构采用接收器驱动通信模型,内容消费者通过具有语义意义的名称而不是特定目的地检索数据。它的特性对于在特设网络上进行组播通信至关重要,因为它的功能增强了对动态拓扑、分散控制和参与节点自组织的支持,这些节点无需预先存在的网络基础设施即可进行通信。然而,尽管无线介质本质上是广播的,但由于节点的高流动性、链路的不稳定性、不断切换以及在共享介质上的数据传输,NDN 组播在无线场景中仍具有挑战性,尤其是在 ad hoc 环境中。因此,本研究通过深入分析 NDN 组播功能,讨论 NDN 在移动场景中的优势,重点关注应用于无线网络时的基本原理、挑战和开放问题。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
NDN multicast over wireless networks: A survey on fundamentals, challenges, and open issues
Wireless devices have shown remarkable growth in data demand in the last decade due to the proliferation of smart devices and the emergence of bandwidth-hungry applications. This increasing data traffic demand is overcrowding the radio frequency spectrum, leading wireless multicast schemes to become a popular research topic again, as they provide efficient data dissemination. NDN supports multicast communication by design. It is a networked system formed by named entities that adopt a communication model focusing on the content rather than its location. The architecture follows a receiver-driven communication model through which content consumers retrieve data through semantically meaningful names instead of specific destinations. Its properties are essential for multicast communication on ad hoc networks, as its features provide enhanced support for dynamic topologies, decentralized control, and the self-organization of participant nodes that communicate without needing a pre-existing network infrastructure. However, despite the wireless medium being broadcast by nature, NDN multicast is still challenging in wireless scenarios, especially in ad hoc environments, due to the node’s high mobility, link instability, constant handovers, and data transmission over a shared medium. Hence, this survey discusses the benefits of NDN for mobile scenarios through an in-depth analysis of NDN multicast features, focusing on fundamentals, challenges, and open issues when applied to wireless networking.
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来源期刊
Computer Networks
Computer Networks 工程技术-电信学
CiteScore
10.80
自引率
3.60%
发文量
434
审稿时长
8.6 months
期刊介绍: Computer Networks is an international, archival journal providing a publication vehicle for complete coverage of all topics of interest to those involved in the computer communications networking area. The audience includes researchers, managers and operators of networks as well as designers and implementors. The Editorial Board will consider any material for publication that is of interest to those groups.
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