*第21656篇: About tcp/ip on 51
About tcp/ip on 51communication
protocol
stack
is
devided
by
layers.
tcp/ip
is
on
top
of
physical
layer
(for
example
ethernet,
atm,
slip).
tcp
layer
is
responsiable
for
transpotation,
ip
layer
is
for
interconnect
of
different
network.
ip
layer
is
on
top
of
physical
layer.
when
in
your
design
and
implementation
of
protocol
stack,
the
designer
got
to
be
clear
of
the
concepts
and
implement
them
layer
by
layer
is
a
good
design
method.
the
protocol
ftp,
http
is
on
top
of
tcp
layer,
they
are
applications.
