Hi, I have been trying to convince myself how it would work if the IP-in-UDP and GUE remained as two separate UDP port numbers. I can certainly open multiple UDP sockets in an application and send and receive packets over the sockets while considering them to be "bonded" (i.e., treated as one "tunnel"). However, it would look like two different flows over the network and one flow might get different treatment from another. For example, NATs would see two distinct UDP port numbers and would have to set up a mapping for both ports. With a unified tunneling system, the network would would see only one 5-tuple for the tunnel; not two or more.
Also, 4 bytes per packet is not insubstantial when the tunnel is carried over a pay-per-use service like a cellular operator network. Thanks - Fred [email protected] _______________________________________________ Int-area mailing list [email protected] https://www.ietf.org/mailman/listinfo/int-area
