Error Control Coding, Second Edition
Error Control Coding, Second Edition
Linear Network Error Correction Codes in Packet Networks
IEEE Transactions on Information Theory
Compressed error and erasure correcting codes via rank-metric codes in random network coding
International Journal of Communication Systems
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We propose a network-coding based scheme to protect multiple bidirectional unicast connections against adversarial errors and failures in a network. The end nodes of the bidirectional connections are connected by a set of shared protection paths that provide the redundancy required for protection. Suppose that ne paths are corrupted by an omniscient, computationally unbounded adversary. Under our proposed protocol, the errors can be corrected at all the end nodes with 4ne protection paths. More generally, if there are ne adversarial errors and nf failures, 4ne + 2nf protection paths are sufficient. The number of protection paths only depends on the number of errors and failures being protected against and is independent of the number of unicast connections.