Abstract
Named data networking (NDN) is an instance of information-centric networking (ICN) architecture that delivers data based on the data’s name. NDN uses variable-length names to identify data and uses stateful forwarding to deliver packets, which makes NDN forwarders difficult to design on existing programmable data planes. In this paper, we introduce an NDN forwarding scheme based on Protocol-Oblivious Forwarding (POF). This scheme extends a stateful module in the POF architecture to implement stateful forwarding and forward NDN packets with a programmed data plane and a controller application. Packets are forwarded in a forwarder together by a POF switch, a stateful module, and a POF controller. The POF switch implements the stateless forwarding functions of NDN, such as the Forwarding Information Base (FIB) by flow tables. The stateful module implements the stateful forwarding functions, such as the Pending Interest Table (PIT) and the Content Store (CS). The POF controller implements the control functions, such as NDN routing mechanisms. We implemented a prototype by extending a POF software switch. Experimental results show that the prototype can forward NDN packets correctly and can support applications such as live video streaming.
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Acknowledgements
This work was supported by National Key Research and Deployment Program of China (Grant No. 2020YFB1806402), STS Planned Project of the Chinese Academy of Sciences (Grant No. E1X0061105).
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Guo, W., Zhang, Y., Fang, B. (2023). SPOF-NDN: A POF-Based NDN Forwarding Scheme. In: Quan, W. (eds) Emerging Networking Architecture and Technologies. ICENAT 2022. Communications in Computer and Information Science, vol 1696. Springer, Singapore. https://doi.org/10.1007/978-981-19-9697-9_50
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