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Architecture
============
-.. note::
- * This section is used to describe a software component from a high level
- view of capability, common usage scenarios, and interactions with other
- components required in the usage scenarios.
-
- * The architecture section is typically: provided in a platform-component
- and sdk collections; and referenced from developer and user guides.
-
- * This note must be removed after content has been added.
-
Capabilities
------------
+Data Collection Analytics and Events (DCAE) is the data collection and analysis subsystem of ONAP.
+Its functions include collection of FCAPs data from the network entitiess (VNFs, PNFs, etc), normalization and transportation of
+data, analysis of data, and generations of ONAP events which can be received by other ONAP components such as Policy for
+subsequent operations.
+
+DCAE consists of DCAE Platform components and DCAE Services components. The following list shows the details of what are included
+in ONAP R1
+
+- DCAE Platform
+ - Core Platform
+ - Cloudify Manager (VM)
+ - Consul service (VM cluster)
+ - Extended Platform
+ - Docker Host for containerized platform components (VM). It runs the following DCAE platform micro services (containers).
+ - Configuration Binding Servive
+ - CDAP Broker
+ - Deployment Handler
+ - Policy Handler
+ - Service Change Handler
+ - DCAE Inventory-API
+ - CDAP Analytics Platform for CDAP analytics applications (VM cluster)
+ - Docker Host for containerized service components (VM)
+ - PostgreSQL Database (VM)
+
+
+- DCAE Services
+ - Collectors
+ - Virtual Event Streaming (VES) collector, containerized
+ - SNMP Trap collector, containerized
+ - Analytics
+ - Holmes correlation analytics, containerized
+ - Threshold Crosssing Analytics (TCA), CDAP analytics application
Usage Scenarios
---------------
+For ONPA R1 DCAE participates in all use cases.
+
+vDNS/vFW: VES collector, TCA analytics
+vCPE: VES collector, TCA analytics
+vVoLTE: VES collector, Holmes analytics
Interactions
------------
+