Re: draft-bourbaki-6man-classless-ipv6-00

[Fernando Gont <[e-mail]>]

Hi, Mark,

On 06/03/2017 03:35 AM, Mark Andrews wrote:
> 
> In message <[e-mail]>, Brian Hab
> erman writes:
>> Hi Bert,
>>
>> On 6/2/17 4:03 PM, Manfredi, Albert E wrote:
>>> -----Original Message-----
>>> From: Templin, Fred L
>>>
>>>> My meaning was for the ISP to give the cell phone or home gateway
>>>> a /64, then let the cell phone/ home gateway subnet the /64 to
>>>> the IoT devices within the subnetwork it provides as it sees fit.
>>>
>>> Sorry, I have to make an important correction:
>>>
>>> Presumably, using some sort of internal address format, also /64, such
>> as privacy addresses? Yes, true, but ...
>>
>> I interpreted Fred's proposal as:
>>
>> 1. ISP gives the phone a /64
> 
> The ISP could give each phone a /48.  There is NOTHING stopping the
> ISP giving a /48 today.  IPv6 is sized to allow this.  When you
> stop trying to hand out the minimum and start handing out reasonable
> quantities of subnets the so called problems go away.
> 
>> 2. The phone delegates longer prefixes to the devices behind it
>> from the /64
> 
> The phone then hands out /64's to devices behind it on demand.

And such devices, if they feel like sharing, hand a...?



>> 3. The ISP router has a single /64 route that points to the phone
> 
> The ISP's router has a single /48 that points to the phone.

At which point we probably should start thinking about ipng-bis :-).
That's 16-bits away from IPv4, which has (or used to) /32 pointing to hosts.

Cheers,
-- 
Fernando Gont
SI6 Networks
e-mail: [e-mail]
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