Enforcing fairness in a live-streaming system

Maya Haridasan; Ingrid Jansch-Porto; Robbert van Renesse

doi:10.1117/12.775127

28 January 2008 Enforcing fairness in a live-streaming system

Maya Haridasan, Ingrid Jansch-Porto, Robbert van Renesse

Proceedings Volume 6818, Multimedia Computing and Networking 2008; 68180E (2008) https://doi.org/10.1117/12.775127
Event: Electronic Imaging, 2008, San Jose, California, United States

Abstract

We describe a practical auditing approach designed to encourage fairness in peer-to-peer streaming. Auditing is employed to ensure that correct nodes are able to receive streams even in the presence of nodes that do not upload enough data (opportunistic nodes), and scales well when compared to previous solutions that rely on tit-for-tat style of data exchange. Auditing involves two roles: local and global. Untrusted local auditors run on all nodes in the system, and are responsible for collecting and maintaining accountable information regarding data sent and received by each node. Meanwhile, one or more trusted global auditors periodically sample the state of participating nodes, estimate whether the streaming quality is satisfactory, and decide whether any actions are required. We demonstrate through simulation that our approach can successfully detect and react to the presence of opportunistic nodes in streaming sessions. Furthermore, it incurs low network and computational overheads, which remain fixed as the system scales.

Citation Download Citation

Maya Haridasan, Ingrid Jansch-Porto, and Robbert van Renesse "Enforcing fairness in a live-streaming system", Proc. SPIE 6818, Multimedia Computing and Networking 2008, 68180E (28 January 2008); https://doi.org/10.1117/12.775127

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