Acronym of PDU


( Protocol Data Unit ) PDU to a piece of data in a layer-specific reference model the OSI said . For example, in the layer of physical PDU. the Prophet now, and in the layer network is a Packet .

L3 PDU in fact, a correction now that to make sure the Encapsulation (adding header in each layer and transfer the package to the lower layer ) header, the third layer, said Field.
PDU

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