Enhancement of Content Distribution and Verification in Network Coding
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Abstract
Recently network coding has become popular for distributing content over Peer-to-Peer (P2P) and other networks. The reason behind this is that the network coding makes content distribution in large networks easier. However it is vulnerable to attacks when it is applied directly and recursively as adversaries can inject dummy data to spoil the process of content distribution. Unnecessary content might cause the wastage of network resources. For this reason content verification must be employed while using network coding for content distribution. The existing solutions for content verification are computationally high and cause much communication overhead as well. Recently Li et al. employed new methods to reduce the communication overhead and high computational cost. In this paper we implement those methods and build a prototype application that demonstrates the proof of concept. The empirical results revealed that the proposed methods can reduce the communication overhead and computational cost.
Index Terms–Network coding, content distribution, verification, security
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