| Publisher | Darmstadt University of Technology | ||
|---|---|---|---|
| Format | 139.0KB PDF | Date added | 06 Jan 2003 |
| Topics | Multicasting, TCP - IP | ||
| Downloads | 27 | ||
Multi-rate multicast has been proposed as a scalable solution to transmitting video over the Internet to receivers with heterogeneous and dynamic rate requirements. In this paper, the applicability of an equation-based mechanism to congestion control for a protocol which bases its join and leave actions on the calculation of the TCP response function is investigated. This paper focuses on the rate calculation algorithm proposed in TFRC as it is currently a very promising and mature approach to calculating a TCP-compatible rate. By means of a network simulator and an adjusted TFRC protocol implementation the paper shows that the TCP-compatible rate calculated with the algorithm as originally proposed tends to be biased when applied in environments with a low degree of statistical multiplexing.
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