Multicast Retransmission Suppression

The high volume of retransmission requests from chronically slow or lossy receivers can overwhelm publishing applications and even overwhelm the entire network. Receiver loss can result from faulty network hardware, oversubscribed applications, or underpowered host computers.

The retransmission suppression feature can detect lossy receivers and suppress their retransmission requests. Administrators can set a receiver loss threshold. If the percentage of lost packets between any pair of multicast subscriber and publisher exceeds this threshold, then the transport suppresses all retransmission requests from that subscriber to that publisher.

To configure this threshold, see Retransmission Receiver Loss Suppression Level.

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