Page History

This page hosts information about discussion calls dedicated to service modeling during R2 release cadence.

More information about ongoing work targeting R3+ is hosted here: 

Upcoming call

Logistics

Start Time: 8 am US western Friday, March 30

ONAP R3+ Service Modeling Discussion Calls

Past calls

20180330

Logistics

Intercontinental Los Angeles Downtown, sponsored by Linux Foundation Network Echo Park Meeting Room 5th floor

Time: 8am-1pmLength: 5 hours

Meeting room: https://zoom.us/j/882442618

Part of the ONAP Friday morning modeling session in ONS 2018 (30 March 2018)

Proposed Agenda

• TBA

...

Agenda

0 Agenda bashing

Service session
1 Yangxu - Service IM Status and Observations
2 John - MEF MCM Proposal
3 Jianguo - ONAP R3 Service IM Proposal
4 Lingli - Service IM Usecase Proposal (Skipped for time limitation)
5 Discussion on next steps

Resource DM session
6 Michael - ONAP R3 Resource DM Proposal Feedback
7 Alex - Kicking off ONAP R2 Resrouce DM Open Issues (Skipped for time limitation)

Onsite Participants

Hui DENG , Xinhui Li, Lingli Deng , Seshu Kumar, Parviz Yegani, Alex Vul , John Strassner , Xu YANG

Anh Le , Thinh Nguyenphu , Michael Lando , Pawel Pawlak , Jianguo Zeng , Stephen Terrill , Seshu Kumar

Tal Liron, Yoav Kluger, Catherine Lefevre

Meeting minutes

1) R2 service modeling will be the same as R1 servcie modeling which is confirmed by SDC/SO/HPA/VNFSDK/AAI/VFC

2) R2 resource modeling will be based on clean version of wiki page, but will only implment part of the request from the use case

3) R3 DT resource DM have critical issue whether we are going to improve R2+ model or redesign a new DM for R3+

4) ONAP service model is broder than ETSI Network Service

5) Product/Offer is out of the scope of ONAP service model

6) The workshop made the following concensused suggestion:   

• Cardiality correction by John
• Suggest to move to composite pattern  instead of recursive aggregation   
• Decoration pattern is FFS   
• Terminology need to be defined (e.g. clarifications on service component as with the one in MEF)

20180325

Agenda

• ONAP R2+ service IM Discussion Review and Proposal

...

The current status of service IM and my observations (Xu Yang)  (Skipped for time limitation)
Discussion (Partially covered during the flow of discussion)

Minutes

• ONAP R2+ service IM Discussion Review and Proposal

• Service IM layering framework (Lingli Deng)

• SDO Perspective

• MEF (Jack Pugaczewski) - MEF API Development Approach provides an introduction to MEF LSO and proposed a tooling chain that triggered the discussion of common information model methods and strategies. It was agreed that the ONAP community can be used as a catalyst to promote CIM from vision to implementation between related SDOs of the Radeon. However, the ONAP's own design and implementation of the model is not tied to the existing specification or specification plan of the CIM or any other SDO. The ONAP model work is based on the developers' willingness to contribute, and the development of the version is the iterative design and organization cycle of the discussion. MEF models are still evolving and featured with the model-driven approach and usage of decorator pattern.

...

• Service Order (Andy/Kevin) - Skipped for lack of presenter
• Service Component:
  • Network Service Descriptor (Maopeng Zhang)
    Suggestion to extend resource modeling for network service descriptor in R2 is not accepted by SDC team.
    • Request to accelerate NSD DM work is made by Thinh.

      NSD IM: If no

      further

      furture comments on

      the NSD IM is received for the

      the NSD IM are received next week, it

      would be

      will moved into

      a clean version (stable phase), based on which the corresponding NSD DM work could be kicked off.

      the clean page.

    • NSD DM: R2 NSD Model as resource was discussed. SDC has supported NSD node definition, and more detail is needed discussed with SDC team.Thinh requests to accelerate the NSD data model

  • Service Component: WAN Service Descriptor (Zhuoyao Huang)

    • Nigel suggested 3 options for improvements to ONAP WAN model:  

      Option 1 (Core overlay):  Follow CIM concept, LC/XC is FC, import LTP and Link, node is FD but not NE.

      Option 2 (TAPI overlay):  Follow TAPI concept, LC/XC/FC is connection, FC port and XC point replaced by CEP and NEP, import Topology.

      Option 3 (M.3100 overlay): Change some names to change some concepts of WAN IM proposal for aligning with ONF IM concepts( following ITU-T Recommendation M.3100 ) better and keep the UML class topology of original WAN IM proposal:    

      WAN IM	Nigel suggestion
      Forwarding   Construct	SNC(Subnetwork   Connection)
      FC Port	CTP(Connection   Termination Point)
      Node	SN(Subnetwork)
      FC Route	SNCRoute(Subnetwork   Connection Route)
      XC Port	CTP(Connection   Termination Point)

• Priority and Planning Discussion

• The current status of service IM and my observations (Xu Yang) - delayed due to time limitation
• Discussion for follow-ups
• Lingli provides customer-facing business scenarios as input for service model discussion and comparison by Tuesday;
• For Friday workshop, each presenter (including SDOs/individuals) is expected to provide their respective proposal models and with the context of customer facing business scenario;
• Based on which, the team is expected to develop a more clearly scoped target and collaborative pattern for R3+.

20180321

Agenda

• Agenda bashing

• R2 Status summary and priority

• ONS workshop agenda

• R2 VNFD DM clean up discussion (added for R2 priority)
• Network Service Descriptor R2 Implemenation Discussion
• Service Order Model (added to the agenda, but deferred to next meeting due to time limit)

Minutes

• Agenda bashing
  Andy suggested to add service order model to the agenda.
  Hui suggested to add VNFD DM discussion for finalizing R2 spec.

• R2 Status summary and priority
  Agreed to continue work on nsd for R2 implemenation, and defer WAN descriptor discussion for R3 discussion starting next call.
  And service order proposal to R3 discussion.

• ONS workshop agenda
  Deng Hui suggest to

  1. Add project PTL to explain how they implement service today SDC, SO, A&AI
  2. YANGXU is presenting the relationship between SERVICE and network service
  3. Multi SDO presentation about service IM , tmf/mef/onap
  4. Offline to build tiger team to design service IM

  Andy suggest to

1. Add service order model
2. Further Discuss NS 
• Network Service Descriptor R2 Implemenation Discussion
  NS model as service component added in the R2.
  Maopeng and Anatoly need to discuss more tosca grammar details related to NS model and update the NS model.
• Wrap up

20180313

Agenda

• Agenda bashing

• WAN service IM/DM Proposal (Zhuoyao)

  • WAN (Service Component) IM

  • WAN (Service Component) DM

• Network Service Discussion
• NetworkService Model Diagram (Maopeng)
• Network service VL Discussion (Nagesha/Thinh)
• Wrap up

Minutes

• Agenda bashing
  Added a time slot for Network service VL Discussion.

• WAN service IM/DM Proposal (Zhuoyao)

  • WAN (Service Component) IM
    Need clarifications on relationship with ONF CIM and/or TAPI model.

  • WAN (Service Component) DM
    Need clarificationson relationship with parallel TOSCA Data Modeling practice at ONF and avoid collision if possible (e.g. in terms of naming conventions)

• Network Service Discussion
  • NetworkService Model Diagram (Maopeng)
    Add reference to IFA 014 2.4.1 when appropriate. Need sync with SDC/VF-C for implementation plan in R2.
  • Network service VL Discussion  (Nagesha)
    Very briefly done due to time limit. Will provide wiki page contribution and kick off further discussion.
• Wrap up

Recordings

• Audio
• Chat 

20180307

Agenda

• Agenda bashing

• Service IM recap and update(Kevin/Lingli)

• Service DM proposal (Chuanyu/Maopeng)
  • Design-Time Data Model: Service
  • Design-Time Data Model: Service Component
  • Design-Time Data Model: Network Service Descriptor Proposal
• WAN service modeling proposal (Zhuoyao)
• Wrap up

Minutes

• Agenda bashing (Lingli)
  No comments received and proceeded with the proposed agenda.

• Service IM recap and update(Kevin) 
  No update made to the clean version as agreed back in December F2F. (Kevin)
  Concerns raised about potential alignment conflicts with MEF service models, which would be discussed further in March F2F. (Mehmet and others)

• Service DM proposal (Maopeng)
  It is clarified that both network service and wan service are derived from service component. The network service as it currently represented is a simplified subset of Network Service as define by ETSI NFV, without VNFFG or Deployment Flavour etc. (Maopeng)
  UML class diagram for corresponding IM design was requested to be added. (Andy)
  More sophisticated design for virtual link might need to be considered for some service provider scenario, contribution to be expected in later discussion. (Thinh)
• WAN service modeling proposal (Zhuoyao)
  It is recognized as a good approach to proceed, suggest to add consideration for covering both intra-DC connectivity and inter-DC connectivity for underlay. (Gil & Andy)
• Wrap up
  All participants are encouraged to leave their comments to the wiki discussion pages for further discussion and better tracking.

Recording 

• Audio
• Chat
• Audio and Video

...