Page Status: Copied from R6 - Mar, 22, 2020

Component Status: Pending PTL Updates and ArchCom Review

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:

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

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*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:   

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• 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

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