Computing at Glasgow University
Paper ID: 9368
DCS Tech Report Number: TR-2005-323

Orta - an Overlay for Real Time Applications
Strowes,S.D. Perkins,C.

Publication Type: Tech Report (internal)
Appeared in: DCS Technical Report Series
Page Numbers :
Publisher: Dept of Computing Science, University of Glasgow
Year: 2005

This paper presents Orta, a new peer-to-peer network overlay protocol intended for use with interactive real-time conferencing applications. The implementation is presented as a reusable software library, that is not tied to any existing application. One application, the UCL Robust-Audio Tool, is modified to use this library rather than IP multicast as a proof-of-concept implementation. We present the protocol design, along with evaluation results describing the performance of the overlay, with focus on its usefulness for real-time applications.

Keywords: peer-to-peer protocol real-time media multicast conferencing

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