Reliable Multicast Protocol Applying Local FEC

Taku NOGUCHI, Miki YAMAMOTO

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Summary :

One of the most important technical problems in reliable multicast protocol is reducing redundant feedback information, e.g. NAKs, to avoid feedback implosion. A number of feedback suppression mechanisms have been proposed to deal with this problem. In the MBONE, which is a virtual multicast network and makes multi-point communication across the Internet feasible, the source link, the links directly connected to or very close to the source, is reported to contribute high percentile packet loss. When a well-known NAK suppression mechanism is applied, in the case of the source link loss, all receivers suffer the same packet loss and NAK suppression mechanism does not work effectively. In this paper we propose a Reliable Multicast Protocol Applying Local FEC, called Local FEC, where the source link loss is recovered with FEC applied locally only to the source link. To investigate performance of our proposed protocol, it is compared with a popular reliable multicast protocol with NAK suppression mechanism. Our performance analysis results with mathematical analysis and computer simulation show that our proposed protocol outperforms the NAK suppression protocol from the viewpoint of scalability and wasted bandwidth.

Publication
IEICE TRANSACTIONS on Communications Vol.E86-B No.2 pp.690-698
Publication Date
2003/02/01
Publicized
Online ISSN
DOI
Type of Manuscript
Special Section PAPER (Special Issue on Internet Technology III)
Category
Packet Transmission

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