Hi Venkat,
In my experience the handoff depends largely on your carrier, the
facilities in your building, and where you are in the world. I would
start out by finding out what the facilities look like at your site and
that will go a long way towards answering what your options are. A
quick walk
That depends on your provider. You will have to contact your provider
to see how they can deliver and what they can deliver. But basically you
get a demarc and you are required to extend or have them extend it to
the network interface.
I personally would not look at a legacy T3 or OC12 as
