On Mon, 4 May 2015, Naveen Nathan wrote:
I haven't tried it, but OpenVPN has a --float option. I haven't had a chance
to try it myself, but it will handover to a new IP address, essentially
giving roaming over unreliable link style connectivity.
See: https://community.openvpn.net/openvpn/ticket/49
What would be even nicer is some sort of mosh-like functionality where
the connectivity can remain long-lived (for when your laptop/phone
suspends).
There is nothing in IKE/IPsec that prevents you from doing this. Unless
you configure "dead peer detection" (aka liveness checks)
Paul
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