I certainly agree with your conclusions Fabio.

Dino

> On Nov 4, 2015, at 6:13 PM, Fabio Maino <[email protected]> wrote:
> 
> On 11/5/15 11:06 AM, Damien Saucez wrote:
>> On 05 Nov 2015, at 10:48, Dino Farinacci <[email protected]> wrote:
>> 
>>> On 05 Nov 2015, at 10:33, Dino Farinacci <[email protected]> wrote:
>>>>>> Hello,
>>>>>> 
>>>>>> By seeing Alberts presentation on SFC today I was just thinking that we 
>>>>>> could
>>>>>> split 6830 in two documents.
>>>>>> 
>>>>>> One document to present the data-plane (mostly Sec 5).
>>>>>> 
>>>>>> One document to present the control-plane (mostly Sec 6).
>>>>>> 
>>>>>> As Albert said the mapping system is generic (with LCAF).  Therefore it 
>>>>>> would
>>>>>> make it more logical (to me at least) to have a document to strictly 
>>>>>> talk about
>>>>>> the mapping system and it would increase the appeal of the mapping 
>>>>>> system by
>>>>>> not requiring people to care about the LISP encapsulation if they only 
>>>>>> need the
>>>>>> mapping system function.
>>>>> The mapping system is in a separate document and spread across alt, ddt, 
>>>>> and ms specs. The control-plane text in RFC6830 is defining an API to the 
>>>>> mapping system. And I think you want it all in one place for completeness.
>>>>> 
>>>> When  I was talking about mapping system, I was talking about the
>>>> “API” (Map-Request, Map-Reply, Map-Register… ).
>>>> 
>>>> I understand that it is not straightforward to make it in a nice way, but
>>>> the as LISP is about decoupling control-plane and data-plane it would
>>>> make sense to also decouple control and data-plane definition.
>>>> 
>>>> Imagine you want someone to only implement the control-plane, how
>>>> does he know what to implement exactly to be fully compliant?
>>> This is clearly stated in RFC6830. That is, you can send a Map-Request for 
>>> any reason. It doesn’t have to be invoked by arrival of a packet on an 
>>> ITR/RTR/PITR. Tools like lig and rig are examples of this.
>>> 
>> 
>> Of course for someone who knows LISP it is trivial that it is separated.  The
>> issue is how to move forward and ensure that LISP control plane is not bound 
>> at
>> all to a particular data-plane.  Actually, since the beginning we say LISP is
>> map-and-encap so it means two components mapping and encapsulation, that 
>> seems
>> thus very logical to me to have to documents, one for "mapping", one for
>> “encapsulation".
>> 
>> At a first glance it could look like just being marketing but actually 
>> splitting
>> would allow both planes to be developed (and updated) in parallel.
> 
> 
> Damien,
> I think this could be a good idea. Too many people still associate LISP 
> mostly with the encap (and it looks like too many don't read past the title 
> of the RFC... :-(
> 
> We should also do a better work of explaining that LISP CP can be used as 
> generic mapping service for overlays (not only for on-demand LISP tunnel 
> provisioning).
> 
> In retrospective we should have presented the LISP/NSH draft in SFC as 
> well.There might be more SFC use cases that can be addressed by the LISP CP. 
> It'd be helpful to have the people in SFC give a thought to the concept of 
> map assisted overlays.
> 
> Fabio
> 
> 
>> 
>> Damien Saucez
>> 
>>> Dino
>>> 
>>>> Damien Saucez
>>>> 
>>>>> Dino
>>>>> 
>>>>>> Cheers,
>>>>>> 
>>>>>> Damien Saucez
>>>>>> 
>>>>>> On 27 Oct 2015, at 01:25, Joel M. Halpern <[email protected]> wrote:
>>>>>> 
>>>>>>> It seemed to us that there was likely some confusiona bout how we 
>>>>>>> expect to handle the revision of RCC 6830.  The following is what we 
>>>>>>> currently expect.
>>>>>>> 
>>>>>>> Once we have a new charter approved, the chairs will appoint an editor 
>>>>>>> for the revision of rfc6830.  That may be one of the existing authors, 
>>>>>>> or a new person.  We will ask for volunteers.
>>>>>>> 
>>>>>>> Once we have an author, they will submit a starting ID called 
>>>>>>> draft-ietf-lisp-rfc6830bis-00 which will be identical in content to the 
>>>>>>> existing RFC.  That may require assistance from the RFC Editor to 
>>>>>>> ensure that we get all the changes they made during final edit.
>>>>>>> 
>>>>>>> At that point, we will use the trouble ticket system to record issues 
>>>>>>> that people bring up.  We will also discuss on the list what changes we 
>>>>>>> wish to make according to the charter.  Things will tehn proceed in the 
>>>>>>> usual fashion, using the trouble ticket system to help make sure we do 
>>>>>>> not drop any of the issues.
>>>>>>> 
>>>>>>> Yours,
>>>>>>> Joel & Luigi
>>>>>>> 
>>>>>>> _______________________________________________
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