On Jun 4, 2013, at 10:14 PM, Lorenzo Colitti <lore...@google.com<mailto:lore...@google.com>> wrote: Addressing policy cannot be shaped on what the IETF thinks might happen in the best case. It must be done taking into account real world constraints. If efficiently-addressed, routed home networks don't happen, then the only way to allow routed home networks is to use a hierarchical solution (which works today - it's what I have at home, using hardware that is already deployed in the high single digit millions of units).
Be that as it may, ISPs all seem to be deploying networks with /56's to the home, not /48's. Edge-rooted PD is an ops doc—no new protocol work is required.
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