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.. This work is licensed under a Creative Commons Attribution 4.0 International License.
-TODO Add files to toctree and delete this header
+Data Collection Analytics and Events
------------------------------------------------
+
+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 entotiess (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.
+
+- DCAE Platform
+ - Core Platform
+ - Cloudify Manager
+ - Consul
+ - Extended Platform
+ - Docker Host for containerized platform components
+ - CDAP Analytics Platform for CDAP analytics applications
+ - Docker Host for containerized service components
+
+
+- DCAE Services
+ - Collectors
+ - Virtual Event Streaming (VES) collector, dockerized
+ - SNMP Trap collector, dockerized
+ - Analytics
+ - Holmes correlation analytics, dockerized
+ - Threshold Crosssing Analytics (TCA), CDAP analytics application
+
+
+
.. toctree::
:maxdepth: 1