Also, we should note that the reason that we get benefits from MPLS
is that
it allows us to have a hybrid network architecture, where we can
support
both connectionless (i.e. packet switching) and connection oriented
(i.e.
circuit switching) styles. If we go down the path of map-&-encap,
we're
effectively deciding to run on top of a connection oriented
infrastructure.
What then happens to the hybrid strength of the architecture?
There is no difference between IP running over a connection oriented
architecture and map&encap running over a connection oriented
architecture.
Dino
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