Extending Equation-based Congestion Control to Multicast Applications

Widmer, Jörg ; Handley, Mark

URL: http://dx.doi.org/10.1145/383059.383081
Document Type: Conference or workshop publication
Year of publication: 2001
Book title: Proceedings of ACM SIGCOMM 2001 Conference Applications, Technologies, Architectures, and Protocols for Computer Communications : ACM SIGCOMM San Diego, California, USA, August 27 - 31
The title of a journal, publication series: ACM SIGCOMM Computer Communication Review : CCR
Volume: 31,4
Page range: 275-285
Place of publication: New York, NY
Publishing house: Assoc. for Computing Machinery
ISBN: 1-58113-411-8
ISSN: 0146-4833
Publication language: English
Institution: School of Business Informatics and Mathematics > Praktische Informatik IV (Effelsberg 1989-2017)
Subject: 004 Computer science, internet
Abstract: congestion control mechanism that extends the TCP-friendly TFRC protocol from the unicast to the multicast domain. The key challenges in the design of TFMCC lie in scalable round-trip time measurements, appropriate feedback suppression, and in ensuring that feedback delays in the control loop do not adversely affect fairness towards competing flows. A major contribution is the feedback mechanism, the key component of end-to-end multicast congestion control schemes. We improve upon the well-known approach of using exponentially weighted random timers by biasing feedback in favor of low-rate receivers while still preventing a response implosion. We evaluate the design using simulation, and demonstrate that TFMCC is both TCP-friendly and scales well to multicast groups with thousands of receivers. We also investigate TFMCC's weaknesses and scaling limits to provide guidance as to application domains for which it is well suited.

Dieser Eintrag ist Teil der Universitätsbibliographie.

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