Jump to content

Protocol data unit

From Wikipedia, the free encyclopedia
This is an old revision of this page, as edited by 213.253.39.122 (talk) at 23:57, 25 February 2002 (from Federal Standard 1037C). The present address (URL) is a permanent link to this revision, which may differ significantly from the current revision.
(diff) ← Previous revision | Latest revision (diff) | Newer revision → (diff)

In telecommunication, the term protocol data unit (PDU) has the following meanings:

1. Information that is delivered as a unit among peer entities of a network and that may contain control information, address information, or data.

2. In layered systems, a unit of data that is specified in a protocol of a given layer and that consists of protocol-control information of the given layer and possibly user data of that layer.

Source: from Federal Standard 1037C