Classification

draft-ng-nemo-multihoming-issues-01.txt say, multi-homing has 8 cases.
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It is what pay attention to MRs,HAs and mobile prefix. I sammry this.
But I found the other cases. For instance, multi-homing(0, 0, 0), which has
single MR, single HA, single mobile prefix, has multiple CoA like this.
I understand this is multi-homing. Because this case must be able to get
advantage of multi-homing, which is "redandancy" , "policy routing" and
"road balancing".


Classification in the draft
Classification I pay attention to
MR has 2 interfaces.