Abstract
Named Data Networking (NDN) is a new content transmission and retrieval network architecture, its network cache and request mechanism can improve network transmission performance and reduce transmission delay. Network coding has been considered as especially suitable for latency and lossy network, providing reliable multicast transport without requiring feedback from receivers. However, for network coding, the best practical advantage is robustness and adaptability, without caring the change of networks. The purpose of this paper is to improve the reliability of content delivery in lossy NDN networks by network coding. In this paper, we use network coding as an error control technique in NDN. We analyze the performance of network coding compared with automatic repeat request (ARQ) and forward error correction (FEC) technique in lossy NDN networks. We confirm that network coding can reduce the number of packets retransmitted in lossy NDN networks. Extensive real physical emulation shows that network coding reduces the number of packet retransmission and improves the reliability of content delivery in lossy NDN networks.
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