Re: [mpls] Poll for Adoption draft-andersson-mpls-moving-iana-registries-00

["Carlos Pignataro (cpignata)" <[e-mail]>]

Hi, Loa,

Please see inline.

On Aug 14, 2013, at 2:25 AM, Loa Andersson <[e-mail]> wrote:

> Carlos,
> 
> While I tend to agree that someone (hint) should write-up a document
> fixing the G-ACh registries, that is not the purpose of the current
> documents. It is looking to clean up the LSP Ping registries.
> 

The title of the current document is "Moving Generic Associated Channel registries to a new name space".

This in itself sets up a broader goal than tossing namespaces outside LSP Ping registry over the wall.

> We have tried the approach "fixing everything" and failed to get our
> heads around it, decided to take a stepwise approach. If we now stumble
> on the first step (or rather second, since cleaning up the LSP registy
> structure was the first) I'm afraid that nothing will be done.
> 

I wouldn't say "fix everything", but I would say "fix consistently" or "fix atomically". I do understand now that your goal is to clean up the LSP Ping registry. However, since you are "Moving Generic Associated Channel registries to a new name space", "fix modularly" can mean coalesce all the GACH registries, from LSP Ping as well as from the other 2-3 registries. In other words, fix two (LSP Ping and GACH) with potentially very small additional incremental effort.

> Since you say (below) "solves a small part" I hope we can do this and
> go ahead and do the rest as soon as we have the cycles.
> 

My humble view is that just moving these four falls short of meaningful change. 

This is just a datapoint, my opinion, and I was too optimistic with "solves a small part".

I tried to present a proposal along with my comments that, to me, has more return on cycles: coalesce the G-ACH registries, currently in LSP Ping, PWE3, and MPLS OAM. Since you gave me a "hint" above, I'd be happy to help out with this if the WG consensus is that the work makes sense.

Thanks,

-- Carlos.


> /Loa
> 
> On 2013-08-14 04:53, Carlos Pignataro (cpignata) wrote:
>> I believe that fixing and organizing misplaced number registrations is
>> useful and worthwhile as it prevents future confusion, and typically
>> welcome clean-ups.
>> 
>> However, I do not support adoption
>> of draft-andersson-mpls-moving-iana-registries-00 in its current form.
>> 
>> The document solves a small part of the potential source of confusion,
>> and, to me, it should fix all potential inconsistencies or leave things
>> as-is.
>> 
>> Specifically:
>> 
>>  * draft-andersson-mpls-moving-iana-registries proposes only to move
>>    four namespaces currently in [1] from [RFC6374] into a new heading
>>    (registry).
>> 
>> 
>> However, there's still the following potential inconsistencies, with all
>> these protocol elements from the G-ACH in different places:
>> 
>>  * The G-ACH Channel Types namespace, although now it's a superset of
>>    the original PW-ACH, is still titled "Pseudowire Associated Channel
>>    Types" and is hosted in the pwe3-parameters registry. [2]
>>  * Other G-ACH namespaces and assignments from [RFC6427]
>>    and [RFC6378] reside in their own mpls-oam-parameters page [3]
>>  * G-ACh Advertisement Protocol namespaces are in the pwe3-parameters
>>    registry [4] [5] [6], although these are not PWE3.
>>  * CC/CV MEP-ID TLV namespace with pwe3-parameters [7]
>> 
>> 
>> I would suggest that either things are left as they are, or all these
>> G-ACH/PW-ACH namespaces are moved under a main "Generic Associated
>> Channel (G-ACH)" registry *if* there's consensus for the clean-up.
>> 
>> Thanks,
>> 
>> -- Carlos.
>> 
>> [1]
>> http://www.iana.org/assignments/mpls-lsp-ping-parameters/mpls-lsp-ping-parameters.xml#measurement-timestamp
>> [2]
>> https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#pwe3-parameters-11
>> [3]
>> https://www.iana.org/assignments/mpls-oam-parameters/mpls-oam-parameters.xhtml
>> [4]
>> https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#gach-application
>> [5]
>> https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#gach-tlv
>> [6]
>> https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#gach-ethernet
>> [7]
>> https://www.iana.org/assignments/pwe3-parameters/pwe3-parameters.xhtml#cc-cv-mep-id
>> 
>> 
>> On Aug 13, 2013, at 2:23 PM, Ross Callon <[e-mail]
>> <mailto:[e-mail]>> wrote:
>> 
>>> This is to start a "two week" poll on adopting
>>> draft-andersson-mpls-moving-iana-registries-00
>>> as an MPLS working group document.
>>> Please send your comments (support/not support) to the mpls working
>>> group mailing list ([e-mail] <mailto:[e-mail]>).
>>> This poll will end August 28, 2013.
>>> Thanks, Ross
>>> _______________________________________________
>>> mpls mailing list
>>> [e-mail] <mailto:[e-mail]>
>>> https://www.ietf.org/mailman/listinfo/mpls
>> 
>> 
>> 
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> 
> -- 
> 
> 
> Loa Andersson                        email: [e-mail]
> Senior MPLS Expert                          [e-mail]
> Huawei Technologies (consultant)     phone: [phone]