Re: Practical numbers for IPv6 allocations

2009-10-07 Thread Kevin Loch
David Conrad wrote: On Oct 6, 2009, at 6:13 PM, Nathan Ward wrote: My understanding is that the RIRs are doing sparse allocation, as opposed to reserving a few bits. I could be wrong. Last I heard, with the exception of APNIC and contrary to what they indicated they'd do prior to IANA

Re: Practical numbers for IPv6 allocations

2009-10-06 Thread TJ
FWIW - I don't believe the two arguments are in opposition/conflict ... But totally agree with your end result of /56s and /48s, with add'l bits held in reserve ... /TJ On Mon, Oct 5, 2009 at 11:39 PM, Doug Barton do...@dougbarton.us wrote: [ I normally don't say this, but please reply to the

RE: Practical numbers for IPv6 allocations

2009-10-06 Thread Tony Hain
Doug Barton wrote: [ I normally don't say this, but please reply to the list only, thanks. ] I've been a member of the let's not assume the IPv6 space is infinite school from day 1, even though I feel like I have a pretty solid grasp of the math. Others have alluded to some of the reasons

Re: Practical numbers for IPv6 allocations

2009-10-06 Thread Doug Barton
Tony Hain wrote: Doug Barton wrote: In the following I'm assuming that you're familiar with the fact that staying on the 4-byte boundaries makes sense because it makes reverse DNS delegation easier. It also makes the math easier. I assume you meant 4-bit. ;) Grrr, I hate when I do that.

Re: Practical numbers for IPv6 allocations

2009-10-06 Thread Nathan Ward
On 7/10/2009, at 6:10 AM, Doug Barton wrote: Tony Hain wrote: Doug Barton wrote: In the following I'm assuming that you're familiar with the fact that staying on the 4-byte boundaries makes sense because it makes reverse DNS delegation easier. It also makes the math easier. I assume

Re: Practical numbers for IPv6 allocations

2009-10-06 Thread David Conrad
On Oct 6, 2009, at 6:13 PM, Nathan Ward wrote: My understanding is that the RIRs are doing sparse allocation, as opposed to reserving a few bits. I could be wrong. Last I heard, with the exception of APNIC and contrary to what they indicated they'd do prior to IANA allocating the /12s, you

Re: Practical numbers for IPv6 allocations

2009-10-06 Thread David Conrad
On Oct 6, 2009, at 6:17 PM, David Conrad wrote: On Oct 6, 2009, at 6:13 PM, Nathan Ward wrote: My understanding is that the RIRs are doing sparse allocation, as opposed to reserving a few bits. I could be wrong. Last I heard, with the exception of APNIC and contrary to what they indicated

Practical numbers for IPv6 allocations

2009-10-05 Thread Doug Barton
[ I normally don't say this, but please reply to the list only, thanks. ] I've been a member of the let's not assume the IPv6 space is infinite school from day 1, even though I feel like I have a pretty solid grasp of the math. Others have alluded to some of the reasons why I have concerns about

Re: Practical numbers for IPv6 allocations

2009-10-05 Thread Christopher Morrow
On Mon, Oct 5, 2009 at 11:39 PM, Doug Barton do...@dougbarton.us wrote: As a practical matter we're stuck with /64 as the smallest possible network we can reliably assign. A /60 contains 16 /64s, which personally I think is more than enough for a residential customer, even taking a long view