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USE CASE

5G Service Modeling

REQ-320 - Getting issue details... STATUS


Modeling STORY Jira

MODELING-369 - Getting issue details... STATUS

Architecture Sub-committee Jira tracker

ONAPARC-575 - Getting issue details... STATUS

Base 5G Svc Modeling
5G Use Cases in R6 Frankfurt

BUSINESS DRIVER

This section describes Business Drivers needs.

EXECUTIVE SUMMARY This requirement introduces platform information model enhancements to document new ISOMII experimental classes from 3GPP TS28.541, the 5G Network Resource Model (NRM).

BUSINESS IMPACT - The requirement,  is a critical because it will serve to lay the ground-work for actually "turning on" a real 5G DU (PNF) that might be installed by a Vendor.

BUSINESS MARKETS - This project applies to any domain (wireless, transport, optical, and wireline) that ONAP may manage.

FUNDING/FINANCIAL IMPACTS - Without the groundwork laid down for information model management of a 5G Service, operators will not be able to "turn on" a real live 5G network using "live" PNF resources. No Network. No Business. High OPEX impact.

ORGANIZATION MGMT, SALES STRATEGIES - There is no additional organizational management or sales strategies for this use case outside of a service providers "normal" ONAP deployment and its attendant organizational resources from a service provider.


DEVELOPMENT STATUS

PROJECTPTLUser Story / EpicRequirement
A&AINO IMPACT


AAFNO IMPACT
APPCNO IMPACT


CLAMPNO IMPACT
CC-SDK NO IMPACT
DCAENO IMPACT
DMaaPNO IMPACT
External APINO IMPACT
MODELING

EPIC #1

Modeling work to adapt 3GPP TS28.541 NRM


Multi-VIM /

Cloud

NO IMPACT
OOFNO IMPACT
POLICYNO IMPACT
PORTALNO IMPACT
SDN-CNO IMPACT
SDCNO IMPACT
SONO IMPACT
VIDNO IMPACT
VNFRQTSNO IMPACT
VNF-SDKNO IMPACT
CDSNO IMPACT

List of PTLs:Approved Projects

*Each Requirement should be tracked by its own User Story in JIRA 

USE CASE DIAGRAM

Use cases define how different users interact with a system under design.  Each use case represents an action that may be performed by a user (defined in UML as an Actor with a user persona).


USE CASE FUNCTIONAL DEFINITIONS

Use Case Title

5G Service Modling

Actors (and System Components)

N/A, Modeling work

Description

This use case will lay the groundwork to introduce and open the discussion with the modeling sub-committee for the platform information modeling work to allow ONAP to integrate with a real "live" 5G DU Base station (PNF)

The RAN (wireless) 5G base station network resource model is driven by the 3GPP standard: TS28.540 and TS28.541, the 5G NRM.

This standard is used by all 5G vendors for their PNFs (DUs) which serves as a starting point to think about modeling work as it is common to all vendors.

ONAP will not necessarily need to know or work with all of the ~300 parameters described in the standard, but rather should introduce a common "core" model into the ONAP platform release information model, so that other future use cases and applications can introduce model information in an orderly fashion.

In R7, the OOF/SON/PCI and End-to-End Network Slicing use cases will leverage the work to introduce this common "core" model. Note that, these use cases ARE domain specific, to network wireless / radio access networks. So some thought should be given as to how to introduce domain-specific modeling into ONAP such that it can still serve many other domains with full functionality given to each of those domains.

Points of Contact

Preconditions

N/A - this use case is modeling work only

Triggers / Begins when

N/A - this use case is modeling work only

Steps / Flows (success)

N/A - this use case is modeling work only

Post-conditions

N/A - this use case is modeling work only

Alternate / Exception Paths

N/A - this use case is modeling work only

Related Use Cases

End-to-End Network Slicing Use Case: E2E Network Slicing Use Case in R7 Guilin

OOF/SON/PCI Use Case:

Assumptions

N/A - this use case is modeling work only

Tools / References / Artifacts

N/A - this use case is modeling work only

3GPP MODELS

GENERIC INFORMATION MODEL FOR 5G SERVICE

This information is taken from this template: Generic Information Element Template

should be copied in the Parent Page (CNF Modeling Workspace) for each Information Element to be defined.


Information Element Template (one table for each Information Element)

Information Element Name

Name of the Information Element

Points of Contact

Information Element Main Contact: Benjamin Cheung

Information Modeling Contact: Benjamin Cheung   guochuyi  Swaminathan Seetharaman

Schema Definition Contact: Benjamin Cheung

Related Use Cases

The E2E Network Slicing Use Case

WIKI: E2E Network Slicing Use Case in R7 Guilin

and OOF SON PCI Use Case are related use cases that all use the 3GPP TS28.541 5G NRM:

WIKI: R7 OOF SON Use Case

Participating ONAP Components

OOF SON PCI Handler Micro-Service

(With the Generic Application Model)

Related JIRA

The related Modeling JIRA is here:  MODELING-369 - Getting issue details... STATUS

Description


Related Standards & Industry Activities

Related Industry Standards are here:

STANDARDDESCRIPTION LINK
3GPP TS28Main 3GPP TS28 series link: https://www.3gpp.org/DynaReport/28-series.htm
3GPP TS28.532

Management & Orchestration

https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=3427

Document itself: 28532-g40.doc

3GPP TS28.540

This is the 3GPP Standard forum

Management & Orchestration 5G Network Resource Model (NRM) Stage 1

The URL: https://itectec.com/archive/3gpp-specification-ts-28-540/

3GPP TS28.54028540-g00.doc
3GPP TS28.541

This is the 3GPP Standard forum

Management & Orchestration 5G Network Resource Model (NRM) Stage 2 and Stage 3

The URL: https://itectec.com/archive/3gpp-specification-ts-28-541/

3GPP TS28.541

5G NRM (document itself)

3GPPTS28541-f40.doc

3GPP TS28.620

Federated Network Information Model (FNIM) Umbrella Information Model (UIM)

https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1539

3GPP TS28.622

Generic NRM

https://portal.3gpp.org/desktopmodules/Specifications/SpecificationDetails.aspx?specificationId=1541

Document itself: 28622-g40.doc

3GPP APIshttps://forge.etsi.org/rep/3GPP/SA5/data-models

Attributes

Attributes: Name and describe each attribute of this Information Element. Please include the datatype of the attribute if possible. Is this attribute read-only, read-write? Are there any default values?

Relationships

Relationships: Describe how this Information Element is related to other Information Elements. Also describe nature of the relationship: association, inheritance, dependency, etc. and multiplicity.

Originator

Where does this information come from? (What component initially creates it)

Consumers

Who uses this information inside & outside of ONAP?  How do they use it?

Includes description of information consumed (whole class, specific attributes, etc.)

Producers

Who updates this information inside & outside of ONAP? Under what conditions do they update it?

Includes description of information produced (whole class, specific attributes, etc.)

Steward

Where will this information stored and maintained in ONAP?

Impacted APIs & Schemas

Identify impacted ONAP schemas & APIs

Are there existing schemas be used or extended?

Information Modeling Status

What is the status of ONAP Information Modeling activities associated with this Information Element.

Please provide links to relevant wiki pages & JIRA.

Schema Definition Status

What is the status of ONAP Schema Definition activities associated with this Information Element.

Please provide links to relevant wiki pages & JIRA.

ONAP Release Priority

This use case is in the R7 Release planning. The Wiki Page is at: Guilin Release Requirements

It has a TSC Priority of 0 (Go)

SUPPORTING FILES

TopicFile
5G Service Modeling (April 2020)

5G Service Modeling Slides Updated

 

PDF Version:

3GPP TS28.541 5G NRM

3GPP TS28.541 5G NRM

Parameter Analysis



MEETINGS

MeetingsAttendeesRecordingAudio Only

 

 

Modeling Sub-Committee call & discussion in Wiki:

ONAP R7 Resource IM Call 2020-7-20

(recording at Wiki)(recording at Wiki)

 

Benjamin Cheung

 

Benjamin Cheung

 

Benjamin Cheung






TESTING

Current Status

  1. Testing Blockers

  2. High visibility bugs
  3. Other issues for testing that should be seen at a summary level
  4. Where possible, always include JIRA links

END TO END FLOW TO BE TESTED


TEST CASES AND STATUS


1There should be a test case for each item in the sequence diagram

NOT YET TESTED

2create additional requirements as needed for each discreet step

COMPLETE

3Test cases should cover entire Use Case

PARTIALLY COMPLETE

 Test Cases should include enough detail for testing team to implement the test

 FAILED

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