On Feb 4, 2011, at 1:08 PM, Fred Baker wrote: > On Feb 4, 2011, at 6:47 PM, Heinrich Strauss wrote: >> So once the "early" adopters migrate their networks to IPv6, there is no >> business need to maintain the IPv4 allocation and that will be returned to >> the free pool, since Business would see it as an unnecessary cost. > > Interesting reasoning. I would think that until we have pretty wide IPv4 > implementation, the business need to keep the allocation is to talk with the > people who have not yet implemented it. From a Reductio ad Absurdum > perspective, imagine that facebook or youtube, now that they have implemented > IPv6, felt obliged to give up their IPv4 allocation immediately? It would > mean that they were out of business, which I should think might be an > excellent business reason to not deploy IPv6.
Exactly. Which means that folks deploying IPv6 will keep their IPv4 until no longer needed. Which in turn means that the value of redeploying those returned addresses would be minimal - the Internet would be dominantly IPv6 at that point in time. Cheers, -Benson
