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NAT and MOBIKE (cont) Problems with multihoming and NAT Case 1: the host behind NAT is not multihoming and the other end is multihoming Option 1: Recovery is limited and done only by the host behind NAT. Option 2: The host behind NAT must send keepalives to all possible path combinations, and keep the mappings in NAT active all the time Case 2: The host behind NAT is multihoming, with some of the interfaces using NAT and some not. Same problems with interfaces using NAT No problems with interfaces not using NAT, can use normal MOBIKE methods. |