IPv6 Default Allocation - What size allocation are you giving out

manning bill bmanning at isi.edu
Thu Oct 9 09:09:54 UTC 2014


yes!  by ALL means, hand out /48s.  There is huge benefit to announcing all that dark space, esp. when
virtually no one practices BCP-38, esp in IPv6 land.


/bill
PO Box 12317
Marina del Rey, CA 90295
310.322.8102

On 8October2014Wednesday, at 18:31, Mark Andrews <marka at isc.org> wrote:

> 
> Give them a /48.  This is IPv6 not IPv4.  Take the IPv4 glasses off
> and put on the IPv6 glasses.  Stop constraining your customers
> because you feel that it is a waste.  It is not a waste!!!!  It
> will also reduce the number of exceptions you need to process and
> make over all administration easier.
> 
> As for only two subnets, I expect lots of equipment to request
> prefixes in the future not just traditional routers.  It will have
> descrete internal components which communicate using IPv6 and those
> components need to talk to each other and the world.  In a IPv4
> world they would be NAT'd.  In a IPv6 world the router requests a
> prefix.
> 
> Mark
> 
> In message <495D0934DA46854A9CA758393724D5906DA244 at NI-MAIL02.nii.ads>, Erik Sun
> dberg writes:
>> I am planning out our IPv6 deployment right now and I am trying to figure o=
>> ut our default allocation for customer LAN blocks. So what is everyone givi=
>> ng for a default LAN allocation for IPv6 Customers.  I guess the idea of ha=
>> nding a customer /56 (256 /64s) or  a /48 (65,536 /64s) just makes me cring=
>> e at the waste. Especially when you know 90% of customers will never have m=
>> ore than 2 or 3 subnets. As I see it the customer can always ask for more I=
>> Pv6 Space.
>> 
>> /64
>> /60
>> /56
>> /48
>> 
>> Small Customer?
>> Medium Customer?
>> Large Customer?
>> 
>> Thanks
>> 
>> Erik
>> 
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> -- 
> Mark Andrews, ISC
> 1 Seymour St., Dundas Valley, NSW 2117, Australia
> PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org




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