1 .. This work is licensed under a Creative Commons Attribution 4.0 International License.
2 .. http://creativecommons.org/licenses/by/4.0
3 .. Copyright 2018 Huawei Technologies Co., Ltd.
12 .. image:: ../images/SO_Architecture_1.png
17 .. image:: ../images/SO_Architecture_Internal.png
24 RESTful interface to northbound clients
26 * Handle service-level and infrastructure (VNF & network) requests
29 * "Service Instantiation API"
31 Model-driven recipe selection
32 * Use SO Catalog to map input requests to BPMN flows
33 * Dynamic lookup based on service-model + action
34 * Input data forwarded to BPMN flow
36 Track open and completed requests via SO Request DB
38 Multiple API-H modules may support different APIs
40 **BPMN Execution Engine**
42 Open-source Camunda platform
43 * Support BPMN 2.0 service recipes
45 Expose RESTful interface to API-H (unique path per recipe)
47 Make use of common "building block" sub-flows
49 Sequence orchestration steps for each Resource in the recipe
50 * Request and configure network resources via SDN-C
51 * Manage cloud resources via PO (OpenStack)
52 * Update inventory via A&AI
54 Perform error handling/rollback
58 Interfaces to lower level controllers and other ONAP components
59 * Platform Orchestrator, SDN-Controller, APP-Controller, VFC-Controllers, Multi-Cloud
60 * Hides the details of complex interfaces (e.g. OpenStack APIs)
61 * Expose interfaces to BPMN flows as SOAP or REST APIs
62 * Support synchronous and asynchronous operations
64 Provided as part of SO platform for use by all BPMN flows
66 Use SO Catalog to map resource requests to a recipe/template
69 * Catalog templates may be updated via self-service (outside of release cycles)
70 * Merge input parameters with templates at run-time
75 * Tracks open and completed requests
78 * SO view of the SDC Catalog
79 * service and resource models, recipes, and templates
80 * Populated via SDC distribution service from TOSCA models
83 * Maintain state for BPMN flows
84 * Supports multiple active engines
86 **SDC Distribution Client**
88 Receive updated service models from SDC
89 * Event-bus notifications when new models available
90 * HTTP retrieval of models (TOSCA) and artifacts (Heat)
92 Receive distributions as TOSCA models
96 Support self-service updates to models and artifacts
100 Monitor BPMN Workflow execution by providing
101 * Service list search based on search criteria
103 * Service Process Instance Rendering and Detail
107 Support external SVNFMs through SOL003 APIs
108 * Create, Instantiate, Terminate and Delete VNF, including Granting, Subscription and Lifecycle Notifications
109 * Tracking capability which VNFM instance has handled with which VNF instance
110 * BPMN Building Block workflows and Java-based recipes for VNF LCM
111 * VNFM Simulator for validating SO VNFM Adapter NBI and SBI for integration testing
112 * The SO ETSI CSIT Tests and running them, https://wiki.onap.org/display/DW/SO+ETSI+CSIT
113 * Testing the SO ETSI Alignment manually (Instantiate VNF using SVNFM), https://wiki.onap.org/pages/viewpage.action?pageId=68524128
115 Third Party and Open Source
116 ---------------------------
119 Camunda (open source)
121 **Other Open Source Components of Note:**
124 Openstack Java SDK ("woorea")