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Additional
Protocol data unit
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Protocol data unit
In
telecommunications
, the term
protocol data unit
(
PDU
) has the following meanings:
Information
that is delivered as a unit among peer entities of a
network
and that may contain control information, such as
address
information, or
user data
.
In a layered system, a unit of data which is specified in a
protocol
of a given layer and which consists of
protocol-control information
and possibly
user
data of that layer. For example:
Bridge PDU
or
iSCSI
PDU
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