From: Mark Smith na...@85d5b20a518b8f6864949bd940457dc124746ddc.nosense.org
>Why can't IPv6 node addressing be as easy to understand and work with
>as Ethernet addresses? They were designed in the early 1980s*. 28 years
>or so years later, it's time for layer 3 addressing to catch up.
Becase Ethernet addresses are only locally significant, are not manually
assigned in the vast majority of cases, and changing a MAC by replacing a NIC
has no bearing on the configuration of a { server | router ACL | etc }.
Layer 3 addressing is globally significant, and the case we're discussing is
addresses which are human-assigned rather than automatically configured.
Link-local autoconfiguration in IPv6 works like a champ, and behaves pretty
much the way I would want it to. Global addressing approaches, on the other
hand, are highly optimized in directions which make them less flexible or have
surprising consequences (hence this thread).
David Barak
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