> =====> Now, if I replace "VM" with "mobile node", that's layer-3
> mobility and we have few solution options there…

No. Let's please not go here. As David pointed out in a different
thread, NVO3 is about VM *migration*.

Mobile IP is a very different beast built on a number of fundamentally
different assumptions. E.g., in mobile IP, the entire physical device
is mobile, not just a VM. Also, the physical device is moving, i.e.,
because its owner is carrying it around. In the DC, the VM is moving
because the DC operator wants to move it. Finally, in MIP, the mobile
device itself *knows* it is mobile and actively participates in that
mobility. In data centers, the VMs are oblivious to being moved and
are not themselves actively involved in any of the signaling or steps
of the move.

Thomas

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