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CNF Models
- Conforms to ETSI IFA 029 and 040.
- Those specifications would be available by end of June / July 2020, but their SOL specifications plan to be available by end of 2020 or Q1, 2021.
- Until then, ONAP designs CNF models and packages, based on the current IFA 029 and 040 (it is an assumption).
- A Managed Container Infrastructure Object (MCIO) is an abstract NFV object for OS Container management and orchestration.
- The declarative MCIO descriptor is used as descriptor object interpreted by the CISM.
- A MCIO is created by the CISM by allocating its requested infrastructure resources on Container Infrastructure Service (CIS) instances
- Depending on its type, the creation of a MCIO may include the deployment of an OS Container Image.
- MCIO’s are lifecycle managed via change requests on their desired state, utilizing a modified declarative descriptor sent to the CISM, which adapts the
- infrastructure resource allocations according to the changed infrastructure resource requests.
- MCIO’s requesting compute and/or storage infrastructure resources are modeled as a VNF Component (VNFC).
- Properties of the MCIO’s relevant to be exposed to NFV-MANO.
<Source: IFA 040>
CNF Package Onboarding and Distribution
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- OSS/BSS onboards SOL004 VNF package to SDC
- SOL004 VNF package consists of:
-SOL001 VNFD with Helm Chart References
-Helm Charts (hierarchical)
-Mapping Scripts
-Container Images / References
- SDC preserves the SOL004 VNF Packages in the Onboarded_Package directory of SDC Resource CSAR
- SDC Service CSAR including SDC Resource CSAR(s) is distributed to ONAP Runtime components: SO, AAI, VID and others
- ETSI Catalog Manager extracts the SOL004 VNF Packages and stores in its Database
- If VNF Package contains Container Images, ETSI Catalog Manager pushes the images to Container Image Repository
- SOL003 Adapter gets SOL004 VNF packages from ETSI Catalog Manager
- SOL003 Adapter sends SOL004 VNF packages to sVNFMs
- Optionally, if operators use local CIRs, VNFM can push the Container Images to the local CIRs.
- SVNFMs invokes K8S CSIM for CNF operations
- K8S CSIM pulls Container Images from the CIR