nanog mailing list archives
Re: Dual stack IPv6 for IPv4 depletion
From: "John Levine" <johnl () iecc com>
Date: 14 Jul 2015 18:44:25 -0000
I think it's reasonable to be at least somewhat judicious with our spanking new IPv6 pool. That's not IPv4-think. That's just reasonable caution.
It's optimizing for the wrong thing. While the supply of IPv6 addresses exceeds any plausible demand, the supply of route slots in routers does not. The right way to allocate v6 space is the first time someone asks for some, give them as much as they'll ever need. If you give them less and they have to come back for more later, you've wasted a router slot. In theory one can renumber into a larger block and abandon or return the old block, but in a world where the value of used IPv6 space is $0, how likely is that?
We can always be more generous later.
Too late. R's, John
Current thread:
- Re: Dual stack IPv6 for IPv4 depletion, (continued)
- Re: Dual stack IPv6 for IPv4 depletion Joe Maimon (Jul 10)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 10)
- Re: Dual stack IPv6 for IPv4 depletion Joe Maimon (Jul 13)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 13)
- Re: Dual stack IPv6 for IPv4 depletion George Metz (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Mel Beckman (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Mel Beckman (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion John Levine (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Valdis . Kletnieks (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Mel Beckman (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion John R. Levine (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Baldur Norddahl (Jul 15)
- Re: Dual stack IPv6 for IPv4 depletion joel jaeggli (Jul 15)
- Re: Dual stack IPv6 for IPv4 depletion Owen DeLong (Jul 15)
- Re: Dual stack IPv6 for IPv4 depletion Valdis . Kletnieks (Jul 14)
- Re: Dual stack IPv6 for IPv4 depletion Mel Beckman (Jul 14)
- RE: Dual stack IPv6 for IPv4 depletion Chuck Church (Jul 14)