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Cited by 1,051

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Network coding for large scale content distribution

Gkantsidis, C., Rodriguez, P.R.·2005·Proceedings IEEE 24th Annual Joint Conference of the IEEE Computer and Communications Societies.

Abstract

We propose a new scheme for content distribution of large files that is based on network coding. With network coding, each node of the distribution network is able to generate and transmit encoded blocks of information. The randomization introduced by the coding process eases the scheduling of block propagation, and, thus, makes the distribution more efficient. This is particularly important in large unstructured overlay networks, where the nodes need to make block forwarding decisions based on local information only. We compare network coding to other schemes that transmit unencoded information (i.e. blocks of the original file) and, also, to schemes in which only the source is allowed to generate and transmit encoded packets. We study the performance of network coding in heterogeneous networks with dynamic node arrival and departure patterns, clustered topologies, and when incentive mechanisms to discourage free-riding are in place. We demonstrate through simulations of scenarios of practical interest that the expected file download time improves by more than 20-30% with network coding compared to coding at the server only and, by more than 2-3 times compared to sending unencoded information. Moreover, we show that network coding improves the robustness of the system and is able to smoothly handle extreme situations where the server and nodes leave the system.

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Metadata

Authors
Gkantsidis, C., & Rodriguez, P. R.
Venue
Proceedings IEEE 24th Annual Joint Conference of the IEEE Computer and Communications Societies.
Publisher
IEEE
Published
2005-08-24
Volume
4
Pages
2235-2245
OpenAlex
W2107520978
Cited by
1,051
References
18
FWCI
57.16
Type
conference paper
Language
en
Open access
closed

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CoChat. (2026). Citation check: Network coding for large scale content distribution. https://app.cochat.ai/papers/10.1109/infcom.2005.1498511
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Gkantsidis, C., & Rodriguez, P. R. (2005). Network coding for large scale content distribution. Proceedings IEEE 24th Annual Joint Conference of the IEEE Computer and Communications Societies. https://doi.org/10.1109/infcom.2005.1498511

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