Networking

Multiple Access Network Information-Flow and Correction Codes

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Executive Summary

Information dissemination can be optimized with the use of network coding since it maximizes the network throughput in multicast transmission scenarios. At the same time network coding is highly vulnerable to malicious attacks from rogue users. The presence of even a small number of adversarial nodes can contaminate the majority of packets in a network, preventing receivers from decoding. The work of Cai-Yeung first studied the network error correction problem in the single source scenario, and their scheme requires high (exponential in the network size) design complexity.

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