Page Status:
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Copied from R6 - Mar, 22, 2020
Component Status: Pending PTL Updates and ArchCom Review
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1. High Level Component Definition and Architectural Relationships
| draw.io Diagram | ||||||||||||||||||
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2. API Definitions
2a. Exposed APIs
| Interface Name | Definition | Capabilities | Version | Status | Payload Model(s) |
|---|---|---|---|---|---|
| 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) | 3.1.2 | Production | Embedded in interface |
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 | Assign and configure resources (Using APPC library hosted in BPMN) [Yang, REST, DMaaP] |
| VFCE-2 | Delegation ofNetwork Service LCM |
| SOL003 | Delegation of orchestration to VNFM |
| SDCE-7 | Service/Resource model query |
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/en/dublin/submodules/so.git/docs/release-notes.html
5. System Deployment Architecture
6. New Release Capabilities
Support CCVPN extension
SO ETSI (SOL003, SOL002 and SOL005) plugin support
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Support the 5G slicing orchestration
7. References
- Interfaces: https://docs.onap.org/en/dublin/submodules/so.git/docs/api/offered_consumed_apis.html
Known system limitations: https://docs.onap.org/en/dublin/submodules/so.git/docs/release-notes.html
- Deployment information: https://docs.onap.org/en/casablanca/submodules/so.git/docs/developer_info/Working_with_SO_Docker.html