Independent of the routing protocol, I don't think we want to inject a /128 
advertisement for every device in the homenet into the homenet routing domain.
Acee 
On Nov 8, 2012, at 3:21 PM, Andrew McGregor wrote:

> This whole thread is making me think that specifying that we use either babel 
> (with attention to getting it documented properly) or one of the OSPFv4 MANET 
> extensions, in the case where we have only a /64 and perhaps any time we find 
> we have an 802.11s, ad-hoc or NBMA interface in play.  That way we introduce 
> /128 routes, and everything continues to work.
> 
> Andrew
> 
> On 8/11/2012, at 10:51 AM, Brian E Carpenter <[email protected]> 
> wrote:
> 
>> On 08/11/2012 15:09, Victor Kuarsingh wrote:
>>>>> even though this would destroy the benefits of subnetting.
>>>> <RCC>I think it is arguable whether bridging is the least damaging
>>>> solution. It fundamentally does not work with route-over multi-link
>>>> subnets and would therefore require some extra L2 weirdness at a LLN
>>>> border router. If ISPs are going to hobble us with /64s then I think you
>>>> will find NPTv6 solutions appearing for the same reason NAT is used
>>>> today. There are alternatives but, as noted in the architecture draft,
>>>> these break SLAAC. So I think the onus is to push back on ISPs ofering
>>>> /64s if we want to avoid any kludges.</RCC>
>>> 
>>> Just to further some of the comments I made yesterday.  I understand the
>>> we don¹t want a /64 to show up, but this may occur for reasons other then
>>> the primary intention of the ISP.  Many things occur in a network - IP
>>> depletion/low avail blocks, errors, mis-configuration etc.  No matter why
>>> it occurs, ignoring this case is likely not a good idea.
>>> 
>>> I agree with earlier comments that this can be considered as a failure
>>> mode.  It still needs to be considered for good engineering on how CPEs
>>> and homenet gear will behave.
>> 
>> Exactly. It would be very bad for the end users to ignore this reality.
>> 
>> On 08/11/2012 15:02, Sander Steffann wrote:
>> 
>>>>> So let's just say that giving a single /64 to the home is incompatible 
>>>>> with homenet architecture, and we need more addresses. I'm fine with that.
>>> 
>>> Yes please. I think some ISPs *need* to get a signal like this.
>> 
>> Sure, but that does *not* excuse us from specifying how the end user
>> gets service in such a situation.
>> 
>>   Brian
>> 
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