>Hi,
>
>Why ATM can go upto 10 Gbps whereas Frame-relay upto
>45 Mbps only?
There isn't market demand to do so, so carriers don't offer it.
There is no inherent reason why it can't, but I would tend to
say that the demand for frame relay aggregate bandwidth is being
outstripped by MPLS demands.
At the US Y2K information center, we had OC-3 interfaces to the
routers, the ATM PVCs on which included 15 Mbps pipes to the hosting
centers, and dozens of channels which started as frame relay but were
mapped to ATM at the far end.
>If so, please explain why it's impossible
>to build a frame-relay interface to deliver 1 Gbps.
It isn't.
I could argue, however, that there is no such thing as a frame relay
interface. Frame relay is layer 2, while interfaces are layer 1.
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