Dear OPSAWG colleagues,
Thanks for participating in the call today. Please find bellow
the minutes:
L3NM and L2NM module discussions
* Date: 21-May-2020
Participants
- Oscar Gonzalez de Dios (Telefonica)
- Samier Barguil (Telefonica)
- Anton Snizar (Sedona)
- Daniel King (Old Dog Consulting)
- Adrian Farrel (Old Dog Consulting)
- Qin Wu (Huawei)
- Sergio Belotti ()
- Sriram Krishnamurthy (Nokia)
- Italo Busi (Huawei)
1. Agenda:
- Revision of the L3NM Github issues
(https://github.com/IETF-OPSAWG-WG/l3nm/issues)
2. L3NM
Revision of the three main issues:
Implementation Report by Cisco. It has two main issues
(https://github.com/IETF-OPSAWG-WG/l3nm/issues/110)
- Common module to have all the L3NM specific requirements. Type-like module.
[Anton]: It makes implementation simpler. Does not generate unnecessary
dependencies
[Adrian]: It depends on if we need module for specific types, to avoid
unnecessary imports. Also don't you only need to import types, not the entire
module?
[Qin]: With L3SM we did not take an augmentation approach. If there are common
types defined in both models, then we may need to find the common components.
We should decouple of L3SM.
[Sriram]: Prefer to have a separate type-file for the specific parameters.
[Oscar]: Define a common type-file for the service models.
[Qin]: Is it possible to manage it as an independent draft?
[Oscar in github issues]: After the discussions, it seems reasonable to have a
separate Yang module to contain the types. The suggestion is to write the
module to cover the four service models (client service models, l3sm, l2sm and
Network service models, l2nm, l3nm). It seems reasonable to include this module
in l3nm draft instead of creating a new one to avoid dependencies.
Samier, Dan and Anton to collaborate for a first version of the split
- RD Auto-assigment implementation issue
(https://github.com/IETF-OPSAWG-WG/l3nm/issues/114)
[Anton]: Do not see an implementation issue. The logic can be used as described
in the yang.
[Qin]: Same as Anton. If alternative proposal is used, one additional parameter
is needed
[Sriram]: Same as Anton
[Oscar]: There seems to be a smaller preference for the original aproach.
However, in order to be fully sure on the aproach, let's take it to the Yang
doctor review.
[Oscar in github issues]: Oscar will sent it to the Yang Doctor Review.
Yang Doctor review Issues (https://github.com/IETF-OPSAWG-WG/l3nm/issues/111)
- Oscar will take care of editorial changes in the draft text.
- The review of the groupings will be done in a second round after the split.
- [Oscar in github issues]: Oscar will assign Med Boucadair the references
issues.
- Protocol-Type: Better as a Indentity
(https://github.com/IETF-OPSAWG-WG/l3nm/issues/115)
- [Samier]: Its better to have as an Idenity and include as part of the
type-file.yang
- [Qin]: Idenity is extensible.
[Oscar in github issues]: Assigned to Samier
- Groupings review. It will be done after the review of the Types and modules.
Implementation status: There is text in RFC 7942 that provides guidance on text
to include to show that the implementation status is not intended to be
included in the final RFC
Tom Petch review Issues (https://github.com/IETF-OPSAWG-WG/l3nm/issues/112)
- Oscar fixes the editorial issue of the IANA section.
- [Oscar in github issues]: Oscar will assign Med Boucadair and Qin the
references issues in the Yang file. The review needs to be done in after the
module split to avoid conflicts in the yang. Part of the reference work should
have been fixed with the update of references for the Yang doctor's review
- [Daniel King]: Volunteers to look at where is the best place to locate the
examples.
Best Regards,
Oscar
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