PDU

from The Free On-line Dictionary of Computing (8 July 2008)

Protocol Data Unit
PDU

   (PDU) A {packet} of data passed across a {network}.  The term
   implies a specific layer of the {OSI} seven layer model and a
   specific {protocol}.

   (1994-10-13)

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PDU
       Packet Data Unit

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PDU
       Product Development Unit

from V.E.R.A. -- Virtual Entity of Relevant Acronyms (June 2006)

PDU
       Protocol Data Unit (OSI)