From: Yuhan Cai (yuhancai@cs.washington.edu)
Date: Sun Oct 10 2004 - 12:00:51 PDT
Title: A Digital Fountain Approach to Reliable Distribution of Bulk Data
Author: John Byers, Michael Luby, Michael Mitzenmacher and Ashutosh Rege
Reviewed by: Yuhan Cai
Main results of the paper:
， It introduces an ideal protocol called digital fountain for reliably multicasting and broadcasting large amount of data to any number of heterogeneous clients.
， It presents an efficient coding scheme that approximates the ideal digital fountain.
， The performance results demonstrate the superiority of the coding scheme.
Strengths of the paper:
， It describes an ideal solution to provide reliability, scalability, cost effectiveness, efficiency, and heterogeneity for the multicast and broadcast of bulk data.
， It presents the best-so-far approximation scheme for digital fountain using Tornado codes.
， The theory is accompanied by experimental performance comparisons, which have strengthened the claims of the authors.
Possible Improvements:
， It would be better if an experiment on the scenario where there are a very large number of receivers and a very large amount of data were included.
Relevance of the paper:
， As the idea of digital fountain is general in nature, it can be applied to many different network applications.
Future work:
， Other applications of Tornado codes are possible, such as designing dispersity routing schemes and transmitting mirrored data.
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