Survey of error recovery techniques for IP-based audio-visual multicast applications

Carle, Georg;Biersack, Ernst W
IEEE Network Magazine, Volume 11, N°6, November-December 1997

IP-based audio-visual multicast applications are gaining increasing interest since they can be realised using inexpensive network services that offer no guarantees for loss or delay. When using network services that do not guarantee the Quality of Service (QoS) required by audio-visual applications, the recovery from losses due to congestion in the network is a key problem that must be solved. This survey gives an overview of existing transport-layer error control mechanisms and discusses their suitability for use in IP-based networks. Additionally, the impact of IP over ATM on the requirements of error control mechanisms is discussed. Different network scenarios are used to assess the performance of retransmission-based error correction and forward error correction.

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