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trailing packet discard (TPD)

Trailing Packet Discard (TPD) is an intelligent ATM cell

discard mechanism used in AAL-5 applications. Trailing Packet Discard (TPD) allows an ATM switch to stop retransmitting ATM cells when one or more ATM cells of an AAL-5 frame have been lost. In the TPD mechanism, the network marks the following ATM cells, allowing the next ATM switch to suppress them. This procedure leads to a reduction of the network load and saves bandwidth.

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Englisch: trailing packet discard - TPD
Updated at: 12.11.2020
#Words: 58