From what I can tell Iroh seems to be trying to create the missing Session layer from the OSI model. Another example of trying to do this is Cisco's Location-Identity Separation Protocol.

Lack of a true session layer in TCP/IP is why vmotion is normally only possible in a single broadcast domain because in this situation you only really use mac addresses for addressing and can thus use the IP as a stable identifier when the MAC address changes after a vmotion. And the switch mac address table handles the mapping.