>
>now what about FR and ATM. they are just serial links.
>right ?
No.
>ie only two computers (hosts etc) can connect across.
>right ?
No. Frame Relay is a layer 2 specification that is what they call NBMA,
Non-Broadcast Multi-Access. This means that multiple connections can exist.
ATM is a connection-oriented cell-switching tecchnology where multiple
virtual circuits, Permanent Virtual Circuits (PVC's) or Switched Virtual
Cirtuits (SVC's), can exist.
>how does it work ?
I would recommend that you start with the Internetworking Technologies
Handbook from Cisco Press. This will give you a good foundation and basic
understanding of these kinds of things (as well as many others...). The book
is relatively inexpensive and I think you will find that it provides a
wealth of information.
Dale
[=`)
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