Okay, I will do that. I’m working through your other comments today, as well as 
Colin’s. I’ll send a diff before submitting so we don’t churn too much. Thanks 
again!

Dino

> On Sep 13, 2018, at 8:28 AM, Mirja Kuehlewind (IETF) <[email protected]> 
> wrote:
> 
> This sounds all fine to me. Please just make sure that the text reflects that 
> accordingly everywhere where ALT is mentioned at the moment and respectively 
> make it more generic if needed. I trust you, you will edit this correctly!
> 
>> Am 13.09.2018 um 17:17 schrieb Dino Farinacci <[email protected]>:
>> 
>> 
>> 
>>> On Sep 13, 2018, at 12:58 AM, Luigi Iannone <[email protected]> wrote:
>>> 
>>> Hi Dino,
>>> 
>>>> On 13 Sep 2018, at 00:03, Dino Farinacci <[email protected]> wrote:
>>>> 
>>>>> 
>>>>> Actually I brought this up because there were more cases where I found 
>>>>> that ALT knowledge is needed. If you don’t want this to be a normative 
>>>>> reference and remove the sentence above (which I’m not sure is helpful), 
>>>>> please also double-check all other occurrences of ALT and make sure the 
>>>>> discussed case is also understandable without ALT knowledge.
>>>> 
>>> 
>>> I disagree on the approach. IMO it makes more sense to me that this 
>>> document describes just the Map-Server/Map-Resolver front end. 
>>> How the front-end works with the actual mapping system is a matter of the 
>>> specific mapping system.
>>> In other words, how Map-Server/Map-Resolver works with LISP-DDT should be 
>>> in the LISP-DDT document. Ditto for LISP+ALT.
>> 
>> I can go along with this. I have wordsmithed that paragraph to not mention 
>> LISP-ALT.
>> 
>>> 
>>>> I think it should left in and we should add LISP-DDT to the paragraph. 
>>>> Since the two mapping transport systems that have moved forward to RFC are 
>>>> ALT and DDT. And I believe they should both be Normative References.
>>>> 
>>> 
>>> This  means two downrefs. We will need to move them to PS.
>>> I really do not see the need for this but YMMV.
>> 
>> I will keep then as Informative references. And to address Mirja’s comment 
>> about believing that a reader would need to know more about ALT and DDT, I 
>> would respond to say, that the documentation is saying that a map-server and 
>> map-resolver are last-hops/first-hops to ANY mapping database transport 
>> system. So you can treat it as a black box. The operation of these nodes are 
>> discussed in the approprorate mapping database transport systems (such as 
>> LISP-ALT and LISP-DDT).
>> 
>> There are also refernces to LISP-ALT (and LISP-DDT) when we have the option 
>> for xTRs to be directlry part of the mapping system. This may be a choice 
>> for LISP deployers when they want a less centralized mapping system. Again, 
>> there are just references that in this case, the xTRs are 
>> “first-hop/last-hop” nodes of these mapping database systems.
>> 
>> How does that sound Mirja?
>> 
>> Dino
>> 
>>> 
>>> Ciao
>>> 
>>> L.
>>> 
>> 
> 

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