Coding Delay Analysis of Chunked Codes over Line Networks

In this paper, we analyze the coding delay and the average coding delay of Chunked network Codes (CC) over line networks with Bernoulli losses and deterministic regular or Poisson transmissions. Chunked codes are an attractive alternative to random linear network codes due to their lower complexity. Our results, which include upper bounds on the delay and the average delay, are the first of their kind for CC over networks with such probabilistic traffics. These results demonstrate that a stand-alone CC or a precoded CC provides a better tradeoff between the computational complexity and the convergence speed to the network capacity over the probabilistic traffics compared to arbitrary deterministic traffics. The performance of CC over the latter traffics has already been studied in the literature.

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