Page Status: Updated for
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Oslo -
Component Status:
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Last Reviewed:
Certified by: Byung-Woo Jun
1. High Level Component Definition and Architectural Relationships
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2. API Definitions
2a. Exposed APIs
| Interface Name | Definition | Capabilities | Version | Status | Payload Model(s) | API Spec (Swagger) |
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| SO-E-01 | Service and Resource order requests | Service Instance management (Service, Volume Group, VF Module, VNF, PNF and CNF) Health check, global and node. Infrastructure provider management (Certificates, networks, sub-networks, security groups) | 3.1.2 | Production | Embedded in interface | Swagger,json |
| SO-E-02 | SO maintenance requests | Monitoring of the SO BPMN flows. Upload of new recipe war files. | 8.0.0 | Development and Evaluation | Embedded in interface | Monitoring_Swagger.json |
2b. Consumed APIs
| Interface Name | Description |
|---|---|
| SDCE-6 | Service/Resource model notification |
| POE-5 | Delegation of decision to policy logic |
| OOF-HAS | Delegation of placement decision |
| AAIE-1 | Ingest/update state of services and resources |
| MCE-2 | Assign and configure infrastructure resources |
| CONE-3 | Assign and configure network resources |
| APPC | |
| VFCE-2 (SOL005) | Delegation of Network Service LCM |
| SOL003 | Delegation of VNF LCM to VNFM |
| SDCE-7 | Service/Resource model query |
| etsicatalogAPIE-1 |
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| etsicatalogAPIE-2 |
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| etsicatalogAPIE-3 |
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| etsicatalogAPIE-4 |
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3. Component Description
Orchestration is the execution of various modules capabilities in harmony as a consolidated process to accomplish the desired tasks. The Service Orchestrator (SO) component of ONAP provides orchestration at a very high level, with an end to end view of the infrastructure, network, and applications.
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Internally, SO is organized as a set of modules with well defined responsibility. External adapters (SDNC, OpenStack, VFC and SOL003) encapsulate most communication with external systems. Persistence is exposed to other SO modules – not externally, by DB adapters (Catalog and Request). The underlying workflow component resides in the BPMN Execution Engine. The BPMN Execution Engine also interacts with other ONAP systems such as App controllers, AAI and OOF-HAS. Interactions with SNC are hosted by the SDC Controller. Likewise the API Request Handler exposes SOs API for interaction with clients. Finally there is also a monitoring component that allows insight into the execution state of workflows.
4. Known System Limitations
https://docs.onap.org/projects/onap-so/en/latest/release-notes.html#release-notes
5. System Deployment Architecture
https://docs.onap.org/projects/onap-so/en/latest/architecture/architecture.html
6. New Release Capabilities
The new enhancements proposed
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Proposal is to build an O-RAN specific Macro flow-based NSSMF which can integrate with an external NSMF. What’s the difference ??
• Current ONAP slicing use case is using 3GPP 28.531 APIs (Slice-Specific APIs) And we are proposing 3GPP 28.532 APIs (as per Generic Provisioning APIs based on Managed Object Instances (MOI))
• We propose changes in SO Macro flow building blocks to implement slicing workflows
Impact on SO project:
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Multicloud (Test only)
SDC (Test only)
ARC AAI Component Description - New Delhi-R14ARC Service Orchestrator Component Description - New DelhiOslo-R14R15
7. References
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