On 3/8/16, 6:35 AM, "Ladislav Lhotka" <lho...@nic.cz> wrote:

>
>> On 08 Mar 2016, at 12:08, Acee Lindem (acee) <a...@cisco.com> wrote:
>> 
>> 
>> 
>> On 3/8/16, 1:55 AM, "Martin Bjorklund" <m...@tail-f.com> wrote:
>> 
>>> Juergen Schoenwaelder <j.schoenwael...@jacobs-university.de> wrote:
>>>> On Tue, Mar 08, 2016 at 01:23:50AM +0000, Acee Lindem (acee) wrote:
>>>>> 
>>>>> The thing about the static route definition for IPv4 and IPv6 is that
>>>> their RIBs will have pretty much the same structure other than
>>>> differences in address type. For other AFs, there may be other
>>>> differences as well. For every augmentation, we’re essentially
>>>>doubling
>>>> the specification effort.
>>>>> 
>>>> 
>>>> One benefit of having separate augmentations is that the data types
>>>> are tighter. For example, the data model does not allow an IPv6 next
>>>> hop for an IPv4 prefix, i.e., you can't mess up address families since
>>>> the data model forces a clear separation (and generic validation will
>>>> catch that in contrast to having the runtime catching inconsistent
>>>> address family data).
>>>> 
>>>> How much that matters likely can be debated. But somehow it feels like
>>>> keeping things separate allows for independent evolution, which may
>>>> proof to be very handy in the future. I kind of liked Lada's approach
>>>> to maintain the architectural separation in the data model.
>>> 
>>> I agree.  I think the model is more clear this way.  I guess I don't
>>> understand why Acee wants to have a single module?
>> 
>> I was trying to eliminate the effort of updating both modules with the
>> exact same augmentations. However, I guess I’m ready to relent on this
>> point.
>
>OK, thanks. Do we want to post another revision before IETF 95? If so, we
>should probably do most preparations this week because I will be on
>vacation next week.

I think we should at least try and get the structural changes posted
before IETF 95. We can meet on next hops at IETF 95.

Thanks,
Acee



>
>Lada
>
>>  
>> 
>> Thanks,
>> Acee 
>> 
>> 
>> 
>>> 
>>> 
>>> /martin
>> 
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>
>--
>Ladislav Lhotka, CZ.NIC Labs
>PGP Key ID: E74E8C0C
>
>
>
>

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