Named Data Networking (NDN) is a promising architecture that aims to natively satisfy emerging applications such as the Internet of Things (IoT). Therefore, enabling NDN in real-world IoT deployments is becoming essential in order to benefit from Information Centric Networking (ICN) features. To design realistic NDN-based communication solutions for IoT, revisiting mainstream technologies such as low-power wireless standards may be the key. In this paper, we explore NDN forwarding over IEEE 802.15.4 following two steps. First, we mathematically model a broadcast-based forwarding strategy for NDN over constrained networks with the IEEE 802.15.4 technology in mind. The model estimates the number of frames transmitted and the mean round-trip time per request, under content popularity considerations. Second, based on mathematical and experimental observations of the broadcast-based forwarding at network level, we elaborate Named-Data Carrier-Sense Multiple Access (ND-CSMA), an adaptation of the Carrier-Sense Multiple Access (CSMA) algorithm used in IEEE 802.15.4. Results show that adaptations such as ND-CSMA may be reasonably envisioned to improve NDN efficiency with current IoT technologies.

命名数据网络 (NDN) 是一种很有前途的架构，旨在原生满足物联网 (IoT) 等新兴应用。因此，为了从以信息为中心的网络 (ICN) 功能中受益，在现实世界的物联网部署中启用 NDN 变得至关重要。要为物联网设计现实的基于 NDN 的通信解决方案，重新审视低功耗无线标准等主流技术可能是关键。在本文中，我们按照两个步骤探索了 IEEE 802.15.4 上的 NDN 转发。首先，我们考虑到 IEEE 802.15.4 技术，在受限网络上为 NDN 的基于广播的转发策略进行数学建模。在考虑内容流行度的情况下，该模型估计传输的帧数和每个请求的平均往返时间。第二，基于对网络级基于广播的转发的数学和实验观察，我们详细阐述了命名数据载波侦听多路访问 (ND-CSMA)，这是对 IEEE 802.15 中使用的载波侦听多路访问 (CSMA) 算法的改编。 4. 结果表明，可以合理地设想诸如 ND-CSMA 之类的适应，以利用当前的物联网技术提高 NDN 效率。