Network, Networking Technology, Data Communication Terms, Glossary and Dictionary

EPD: Early Packet Discard

Early Packet Discard (EPD) is a mechanism used by some ATM switches for discarding a complete AAL5 frame when a threshold condition, such as imminent congestion, is met. EPD prevents congestion that would otherwise jeopardize the switch's capability to properly support existing connections with a guaranteed service.

 

 

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EPD: Early Packet Discard