RE: Questions regarding the draft-wu-model-driven-management-virtualization

[<[e-mail]>]

Hi Greg,

Thank you for the comments.

Please see inline.

Cheers,
Med

De : Greg Mirsky [mailto:[e-mail]]
Envoyé : mardi 9 avril 2019 15:33
À : [e-mail]; RTGWG
Objet : Questions regarding the draft-wu-model-driven-management-virtualization

Dear Authors,
I have some questions related to OAM aspect of service and network management automation and much appreciate your consideration:

  *   I couldn't find Networking Working Group to which the draft seems to be attributed. In your opinion, in which of IETF WGs you see this work to be the most relevant?
[Med] OPSAWG is a candidate target.

  *   I couldn't find any reference to the process of Sevice Activation Testing (SAT) in the document. Are you planning to cover it later or see the absence of any SAT work at IETF as an obstacle to completing the closed-loop lifecycle for a service?
[Med] We do explicitly refer to:
   o  Dynamic feedback mechanisms that are meant to assess how
      efficiently a given policy (or a set thereof) is enforced from a
      service fulfillment and assurance perspective.
Models that fall under that item can be listed, if any.

  *   Figure in Section 3 "Network Service and Resource Models" refers to OAM and PM separately. Do you see PM not being part of overall OAM toolset?
[Med] It is part of OAM. A better name could be used. That’ said, the intent was to cover connectivity check matters separately from PM.

  *   in Section 3.1.2 in regard to LIME models, you've stated: "These three models can be used to provide consistent reporting, configuration and representation." Do you have evidence in support of this statement?
[Med] That is what the lime effort was about; hence the “can”.

  *   Figure 2 lists BFD, LSP Ping, and MPLS-TP models under OAM. In your opinion, are these three models sufficient to perform 'F' and 'P' of FCAPS network management, i.e., Fault Management and Performance Monitoring, adequately? (Should note that LSP Ping and MPLS-TP YANG models are only individual drafts);
[Med] Obviously, that list is not exhaustive.
Regards,
Greg