thanks Jonathan, just a quick comment below...
----- Original Message ---- Link-local communication covers an important subset of applications. But we do see benefits in allowing nodes to communicate directly with other IP devices outside the LoWPAN network.... gab> That is not an issue, as nodes are perfectly capable to communicate directly with other IP devices outside the LoWPAN network. They can certainly use global prefixes, no issue there. The only question was whether such communication merited being optimized. It seemed to us (without any real data to support it, though) that the extra complexity was not worth the marginal benefit cuz most packets from puny devices would be local and only a small percentage would need to use the global prefix. If there is any data to justify the tradeoff of the additional complexity, it would be good to see it.
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