ARC Usecase-UI Component Description – El Alto-R5

Owned by Chaker Al-Hakim
Last updated: Apr 07, 2020
2 min read

1 High Level Component Definition and Architectural Relationships 



  • Usecase-UI is an application portal which provides the ability to manage ONAP service instances. 

  • Usecase-UI allows customers to create/delete/update service instances, as well as to monitor the alarm and performance of these instances.

2. API definitions

Usecase-UI provides the following interfaces:



Interface Definition

 Interface Capabilities



Interface Definition

 Interface Capabilities

UU-APIE-1

Operator Portal

User interface for operators:

  • Customer management

  • Package management

  • Service lifecycle management for use cases

  • Monitor

  • Network topology management

UU-APIE-2

Customer Portal

User interface for customer:

  • Service order

  • Service management

  • Service monitor

Note:   xxxI interface is a Component internal interface.  xxxxE interface is a component external interface

The provided UI interfaces are found at: Usecase-UI latest user guide

Usecase-UI consumes the following interfaces:

Interface Name

Interface Definition

 Interface Capabilities

Interface Name

Interface Definition

 Interface Capabilities

SDCE-6*

SDC Interface

An interface to receive resource Templates from SDC design catalog.

SO-E-01*

Service and Resource order requests

Service Instance management (Service, Volume Group, VF Module, VNF)

Health check, global and node.

Infrastructure provider management (Certificates, networks, sub-networks, security groups)

VFCE-2

Service Orchestrator / Policy Interface

An interface to allow Service Orchestrator and Policy request NS Lifecycle Management ( ETSI SOL-005 ).

AAIE-1*

Inventory Service Interface

An interface to create, update, query, and delete resource information and relationships.

MSBE-1*

Micro Service Bus Interface

An interface for registration and discovery with the ONAP Micro Service Bus.

etsicatalogAPIE1~4

Modelling Tosca Parser Interfaces and catalog interfaces

An interface for the Tosca Parser from Modelling project to parse the NS and VNF Descriptors.

*Current description is based on El Alto documentation, will be updated accordingly if correspondent API update in Frankfurt.

3. Component Description:

Usecase-UI  is a web application which contains two parts: 

  • Usecase-UI GUI

  • Usecase-UI Server

4. known system limitations

Now the component Redundancy and scaling depends on Kubernetes.

5. Used Models

Usecase-UI use the following models:

  • TOSCA  - VNF Descriptor/NS Descriptor  ETSI NFV SOL001  v2.4.1 & v2.5.1

6. System Deployment Architecture

Usecase-UI consists of 4 containers:

  • Usecase-UI-Operator Portal

  • Usecase-UI-Operator Server

  • Usecase-UI-Customer Portal

  • Usecase-UI-Customer Backend

7. New Release Capabilities

The Frankfurt Release supports two capabilities:   

1. 5G Slicing Use Case

  • Providing CSMF Portal for customers to support 5G Slicing business

  • Providing NSMF Portal for ONAP operating staffs to support 5G Slicing management

2. CCVPN Use Case

  • Get and Show MDONS (L1) Service Instances

  • Instantiate MDONS (L1) Service Instances

  • Terminate MDONS (L1) Service Instance

  • Service Provisioning: Adaption of single service template. UUI BE to SO call will be single now,（there were 2 calls from UUI BE to SO）

  • Service Topology: Adaption of new schema in AAI（ the AAI schema for SOTN service had 2 service linked using allotted-resource）

8. References

Usecase-UI Installation & User Guide: usecase-ui docs