
60-1
60.1 Introduction
User datagram protocol (UDP) is a part of TCP/IP suite [STD6,C02-1,F10,GW03,PD07]. It provides
full
transport
layer
services
to
applications.
It
belongs
to
the
transport
layer
in
the
TCP/IP
suite
model,
as
shown
in
Figure
60.1.
UDP
provides
a
connection
between
two
processes
at
both
ends
of
transmis-
sion.
is
connection
is
provided
with
minimal
overhead,
without
ow
control
or
acknowledgment
of
received
data.
e
minimal
error
control
is
provided
by
ignoring
(dropping)
received
packets
that
fail
the
che
cksum
tes
t.
e
UDP
is
standardized
by
Internet Society,
which
is
an
independent
international
not-for-prot
organization. ...