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General Information:

• Date and Time: 2021, June 1st, 9pm~10pm Beijing Time, 9am~10am US Eastern
• Meeting Room: https://zoom.us/j/97595070639 (https://zoom.us/j/137904496 for this week)
• Meeting Recording:  
• Meeting Chat Log:  

Agenda:

• Agenda bashing - 5 minutes
• Model Proposals
  
  • ETSI CNF support - ? minutes
  • CNF runtime model - ? minutes
  • PNF instance model - ? minutes
  • CPS model - 0 minutes
  • Topology model - 0 minutes
• Modeling Documentation - 0 minutes

...

• Model proposals:
  
  • Abstract Topology Model
• Modeling requirements:
  • https://wiki.onap.org/display/DW/ONAP+R9+Modeling+High+Level+Requirements
• Related information:
  • Allotted Resource for Network Slicing
  • R8 5G Service Modeling
• Clean/Approved models:
  • ONAP Information Model - Clean and approved models across ONAP releases
• Model Specification:
  • Honolulu release: https://docs.onap.org/projects/onap-modeling-modelspec/en/honolulu/ONAP%20Model%20Spec/im/index.html

...

• Agenda bashing
  • reminder for filling R9 high level requirements: https://wiki.onap.org/display/DW/ONAP+R9+Modeling+High+Level+Requirements
• Joint call with use case realization team
  • R9 use case & requirements: https://wiki.onap.org/pages/viewpage.action?pageId=99681185
  • schedule of use case realization call: https://wiki.onap.org/display/DW/Use+Case+Realization+Meeting+Register+MoM
  • major use cases of ONAP: https://wiki.onap.org/display/DW/ONAP+Major+Use+Cases
  • next step:
    • Ben will help invite use case owners to have a presentation in the following modeling calls
• Model Proposals
  
  • ETSI support for CNF model
    • R9 DM proposal: https://wiki.onap.org/pages/viewpage.action?pageId=93011772
      • aligned with SOL001 v4.2.1, package format is still under discussion
      • will ask for approval after SOL001 v4.2.1 is stable
    • a proposal of updating the information model documentation is planned in R9
    • latest updates:
      • Thinh has presented the alternative package solution in the CNF taskforce call, could be discussed in future calls
      • CNF requirements collaboration pending discussions as well, could be discussed in this week's CNF taskforce call
  • CNF runtime model
    • Proposal:
      • for Istanbul: add some necessary information as an enhancement of vf-module, to allow components to query k8s objects
      • for Jarkata: define a cnf-module, to store information like compute (pod), storage, etc.
      • the two sub-proposals can co-exist
    • Suggestion:
    • to collaborate with CNF (design time) model team, the use case may have an impact on the run-time model for Jarkata release
    • keep in mind that removing AAI model is hard, so backward compatibility should be considered
    Jacqueline will help investigate how the proposal can be put into the papyrus and model specs (Konrad will have a discussion with A&AI team tomorrow)Update:
    • Image Added
    • the idea is to capture the basic information from k8s
    • the proposal has been presented to the A&AI team, and no major concerns
    • Questions:
      • if A&AI team can support modification of existing models (in case in later release, ETSI alignment team/ETSI standard identified changes needed for the runtime model), Lukasz will help check with A&AI PTL
      • align with ETSI alignment team
  • 5G service / CPS model
  • PNF instance model
    • reverse engineering
      
      • feedback to A&AI team:
        • some relationship lack description, and the existing description may not be meaningful enough
  • Topology model
    • Proposal: https://wiki.onap.org/display/DW/Abstract+Topology+Model
      • Martin will update the models with the IM sketch
    • Model Sketch: https://wiki.onap.org/display/DW/Proposed+Topology+IM+Sketch
      
      • inspired by TAPI model to add "link", "connection" classes
      • looking at ORAN use cases and see if the models can fulfill the requirements
      • TAPI presentation may be found here: otcc2019.KS.002_TAPI_Concepts_Topology_Connectivity.pptx
    • Andy has helped to create a high level requirement for the topology model
      • expecting ORAN to provide relavent use cases
      • Martin and Andy are aware of the different views of topology model presented last week by Cagatay
      • mainly triggered by ORAN WG10, also related to WG1's slicing use case, etc.
      • how to model different layers, physical, logical topology, etc.? current methodology is using UML/papyrus to capture the models
    • Latest updates:
      • Martin is working on the TAPI model, and has discussed with the SON use case team to receive feedback from them
• Modeling Documentation
  
  • gendoc template discussion:
    • whether the description only applies for a navigatable end of an association
    • add relationship documentation to the UML guideline: 

      Jira Legacy
      server System Jira serverId 4733707d-2057-3a0f-ae5e-4fd8aff50176 key ONAPMODEL-28

    • UML principle wiki page:
      • Principle and Guideline for Information Model Proposal Using Papyrus (Draft)
      • review the updates to the Gendoc requirements part
        • Michela suggest whether it's possible to add information of associations into the class definitions
          • Xu will investigate it offline
      • Using Papyrus for Modeling updates