@prem , as you sade in Steganographic transport & Mixnets
I don’t think there is any way to bypass whitelisted internet other than going through a separate L2/L3 network.
So, L2 overlay over libp2p is a solution
Ones which users need, is only connection to at least one globally connected peer, which support this and yes, mimic for allowed protocols still a nut shell, but at least we are can create full OSI virtualization infrastructure for fist
Please, lets continue this conwersation thread here