> > It may be folly to try to modify IPv4 implementations at this point. I > have no objections if you wish to try pushing this big rock up hill, but I > doubt you will be successful. >
BTW, what *actually* prevents a middlebox from doing IPv6 fragmentation? In other words, if some box "decided to be helpful" and do IPv6 fragmentation in the middle, would anything really break (*other* than the obvious existing problem with fragment extension headers not being forwarded to their destination)? I'm wondering about whether this work might be applicable to v6 as well, even if just for parity.
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