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Username: jefsey
Date/Time: Mon, June 19, 2000 at 3:01 PM GMT
Browser: Microsoft Internet Explorer V5.0 using Windows 98
Score: 5
Subject: unfortunately IPv6 will not be enough


All your points are pertinent. But I think IPv6 will not provide enough IP adresses and should not be considered as a solution to the IP adress shortage.
It should be merely considered as a chance to test and stabilize a new adressing vision and technology before the demand becomes to high. Let be clear: I run 20.000 internet sites under a single IP adress. The problem is that eventually with the neuronal growth of the internet, automatition and people's implication in the content management these 20.000 sites will be handled by dedicated virtual or (and) real machines requiring each of them their own IP adresse. And that I will need 100.000nds IP adresses for me and my customers may be one to five years from now.
I therefore think the solutions you propose for mobiles are a good base for a general numbering solution using more and more gateways and dynamic like numbers or sub-numbers.
Another limitation of the IPv6 is the geographical constraints. More and more contry laws will require actions based upon the geographical origin/destination of a call (pornography, taxes, nazi, etc..). If we want to avoid the nightmare of overlaps, or huge "origin bases", IP numbering plan will have one way or another to reserve and therefore waste a lot of addresses to comply with this (or a third party authority should enforce a geographical information control within the IPv6.1 packet).



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