29/09/2020

Multi-worker NFD: An NFD-compatible high-speed NDN forwarder

Sung Hyuk Byun, Jongseok Lee, Dong Myung Sul, Namseok Ko

Keywords: NDN, multi-worker forwarding, NFD

Abstract: The NDN Forwarding Deamon (NFD) has been a reference forwarder implementation of Named Data Networking. Its good modularity and extensibility make it easy to experiment with new ideas, but it shows limited forwarding performance even with multi-core CPUs because its forwarding structure uses only single core. We present the Multi-Worker NFD (MW-NFD), an NFD-compatible NDN forwarder with parallel forwarding capability on multi-core CPUs. Since the NFD’s forwarding architecture is maintained as is, MW-NFD inherits the advantages (modularity and extensibility) of NFD, and it is fully compatible with NFD and existing NDN applications. In this demo, we shows that MW-NFD can yield high forwarding performance, about 13 times higher than NFD’s performance.

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