General Information:

• Date and Time: 2021, July 5, 9pm~10pm Beijing Time, 9am~10am US Eastern
• Meeting Room: https://zoom.us/j/97595070639
• Meeting Recording:  
• Meeting Chat Log:  

Agenda:

• Agenda bashing - 5 minutes
• Model Proposals
  
  • ETSI CNF support - ? minutes
  • CNF runtime model - 10 minutes
  • PNF instance model - ? minutes
  • CPS model - 0 minutes
  • Topology model - 0 minutes
• Modeling Documentation - 0 minutes

Material:

• Model proposals:
  
  • Abstract Topology Model
• Modeling requirements:
  • https://lf-onap.atlassian.net/wiki/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

Minutes:

• Agenda bashing
• Model Proposals
  
  • ETSI support for CNF model
    • R9 DM proposal: https://lf-onap.atlassian.net/wiki/pages/viewpage.action?pageId=16463007
      • 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
    • Updates：
      • SOL001 is delayed and expected to be stable at the end of July
  • 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
    • Update:
      • poll ongoing: Simplified K8s Resource Model
    • AP:
      
      • will continue how to document the information model: Simplified K8S Resource Model - IM
      • question:
        • 1) need to create empty classes for "tenant", "vnf-module", etc.? A: will keep the comments as for now, and Jacqueline will help reverse-engineer the related classes
        • 2) whether the attribute definitions are acceptable? A: need further check, and needs double check with the model owner on "version", "group" descriptions.
  • 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
      • current status: AAI Schema Reverse-Engineering to Papyrus
    • migrating to new version
      • Jacqueline has done the experiment of creating gendocs using two different versions of eclipse
        • the gendoc of the new version seems fine, but the gendoc of the old version breaks (missing parent class information)
      • AP:
        • Xu will try to experiment the same things as well, and discuss again next week
  • Topology model
    • Proposal: https://lf-onap.atlassian.net/wiki/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:
      • Adding concepts like clients and servers, further discussion are needed to for the context of the new terms
      • also whether the whole objects should be put under "ManagedFunction" needs further discussion
• Modeling Documentation
  
  • gendoc template discussion:
    • whether the description only applies for a navigatable end of an association
    • add relationship documentation to the UML guideline: 
    • 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