Path Maximum Transmission Unit

PMTU is the acronym for Path Maximum Transmission Unit.

Refers to the maximum size of an IP packet that can be transmitted without fragmentation along a particular network path. It’s an essential concept for ensuring efficient data transmission over networks. PMTU discovery is a process used to determine the maximum packet size that can be sent without fragmentation, which helps optimize data transfer and reduce the chances of packet loss and retransmissions.

  • Abbreviation: PMTU

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