[snip] > > As far as I know, there are no existing <something>-in-IPv6 > encapsulations that mainstream OSes decapsulate by default. So any > encapsulated packets will be dropped on the floor by a typical Windows > or MacOS box, and as such there is no need to spend cycles to filter > them out. > For the sake of argument, if *all* the current <something>-in-IPv6 proposals are standardized, then presumably they *will* go into mainstream OSes. And we're planning exactly for that future - when IPv6 is widely available to the home. And hey, if there are no such packets, you're not wasting any cycles on filtering them. Just a few IETF cycles :-) Thanks, Yaron
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