Michael Bray wrote:
>
> So to clarify, would you agree with the statement that the PHY layer is
> synchronous, but the ATM layer is Asynchronous?
>
hmmm nope - the ATM layer is where the blank cells are put in, so
actually its still synchronous, its just that the data coming into it
can be as
ATM isnt really Asynchronous, its Synchronous but it fills in any blank
bits by filling them in with blank cells, which are ignored at the other
end (except it keeps it all nicely synchronised even though the data is
bursty).
Incidentally Synchronous systems are usually faster because both ends
k
Synchronous requires you to wait around for your "slot", plus
introduction of extra bit-times on the wire for timing. Anynchronous
avoids this at the cost of less delay in start of transmission, but you
must insert your own timing signals (preamble). ATM gets a bit tricky
to synchronize at high
ATM's asynchronous nature allows someone to send data when they need to,
instead of having to wait for a time-slot like with typical TDM
systems. In a TDM system each user gets a slot, whether they like it or
not, that slot is for them. A user that wants to use a TDM system has to
wait for ther
Hey Group,
I asked my teacher about this a long time ago when I was training and never got a
real strait answer. (was always the one who asked the far out questions) I know I
don't have the most solid concepts in my head on this but this is what I've been told.
You have Asynchronous, and t
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