PDU

noun PDUs

1. abbreviation, initialism Initialism of power distribution unit
2. abbreviation, initialism Initialism of propwash deflection unit
3. abbreviation, initialism Initialism of professional development unit
4. abbreviation, initialism Initialism of protocol data unit
5. abbreviation, initialism Initialism of poor dumb user We also discuss the faults to which the intermediate systems that execute these concatenation tasks are liable; the consequences of such faults include end-to-end PDUs being misforwarded, proliferating without limit, or simply disappearing into “black holes.”