ARC VFC Component Description – Istanbul-R9

Owned by Chaker Al-Hakim
Last updated: May 06, 2021 by Yuanhong Deng
2 min read
Page Status:  Updated for Istanbul -  Mar 22, 2021 
Component Status: Pending PTL updates and ArchCom Review

Last Reviewed on:

Certified by:

1. High Level Component Definition and Architectural Relationships 



ONAP VF-C leverages ETSI NFV MANO architecture and information model as a reference, and implements full life cycle management and FCAPS of VNF and NS.

  • support NS and VNF lifecycle management based on ONAP modelling and workflows

  • support integration with multiple VNFMs via drivers, which includes vendors/specific VNFM (S-VNFM) and generic VNFM (G-VNFM)

  • support integration with multiple VNFs via providing an ONAP generic VNFM (G-VNFM)

  • support integration with multiple VIMS via Multi-Cloud, which includes open source and commercial VIMs

  • support microservice architecture and model driven resource orchestration and management

2. VFC-C API definitions

VFC provides the following interfaces:

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

VFCE-1

Portal/OSS Interface

An interface to allow for NS Lifecycle Management(ETSI SOL-005)

https://docs.onap.org/projects/onap-vfc-nfvo-lcm/en/latest/platform/APIs/index.html


VFCE-2

Service Orchestrator / Policy Interface

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

The current VFC API documents can be found at:

https://onap.readthedocs.io/en/latest/submodules/vfc/nfvo/lcm.git/docs/platform/APIs/index.html

VFC consumes the following interfaces:

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

Interface Name

Interface Definition

 Interface Capabilities

API Spec (Swagger)

AAIE-1

Inventory Service Interface

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

AAI REST API Documentation

MSBE-1

Micro Service Bus Interface

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

Microservice Bus API Documentation

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.

Etsicatalog API Document

MCE-6

MultiCloud Interface

An interface for Virtual Network Resource Management and Vim assignment

MultiCloud API Document 

DCAE-1

DCAE Interface

An interface to share FM/PM data for VNF FCAPS from the VNFs via the EMS Driver to VES Collector

DCAE API Document

OOFE-1

OOF Interface

An interface to get the VNF placement

OOF API Document



3. Component Description:

https://docs.onap.org/projects/onap-vfc-nfvo-lcm/en/latest/platform/architecture.html

vfc_components_1.png

Note: 

  • Catalog has been migrated to Modeling/etsicatalog in F Release

  • Some components including Resource Manager, Multivim Proxy, EMS Driver and Vendor EMS  have been remove from Guilin Release. If necessary, you can use the version before the Frankfurt version (included)

4. known system limitations

Now the component Redundancy and scaling depends on Kubernetes.

5. Used Models

VFC use the following models:

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

6. System Deployment Architecture

VFC consists of 15 container microservices, but only following 8 components is in the scope of Istanbul Release:

  • vfc-nslcm - Network Service Lifecycle Management microservice

  • vfc-vnflcm - The G-VNFM VNF Lifecycle Management microservice

  • vfc-vnfmgr - The G-VNFM VNF Manager microservice

  • vfc-vnfres - The G-VNFM resource management microservice

  • vfc-huawei-vnfm-driver - The Huawei S-VNFM driver

  • vfc-zte-vnfm-driver - The ZTE S-VNFM driver

  • vfc-db - The VF-C DB service

  • vfc-generic-vnfm-driver - The G-VNFM driver

The following 7 container microservices discoped from Guilin release. 

  • vfc-workflow - The Workflow Manager microservice

  • vfc-workflow-engine - The activiti workflow engine microservice

  • vfc-juju-vnfm-driver - The juju G-VNFM driver

  • vfc-nokia-vnfm-driver/vfc-nokia-v2vnfm-driver - The Nokia S-VNFM driver ( current 2 versions )

  • vfc-multivim-proxy - The microservice for interfacing with MultiCloud project

  • vfc-ems-driver - The Element Management System interfaces

  • vfc-resmgr - The Resource Manager microservice

7. New Release Capabilities

  • To be completed based upon VF-C  release notes

8. References

  1.  VF-C Installation & User Guide: https://docs.onap.org/en/latest/submodules/vfc/nfvo/lcm.git/docs/platform/installation/index.html