+.. This work is licensed under a Creative Commons Attribution 4.0 International License.
+.. SPDX-License-Identifier: CC-BY-4.0
+.. Copyright (C) 2023 Nordix
+
+
+Data File Collector
+~~~~~~~~~~~~~~~~~~~
+
+************
+Introduction
+************
+
+The task of the Data File Collector is to collect files from traffical nodes in the RAN.
+The main use case is:
+
+* The DFC received a File Ready VES event from a Kafka topic. This contains a list of all available files.
+
+* The DFC fetches files that are not already fectched from the traffical node. This is done using one of the supported file transfer protocols.
+
+* Each file is stored in an S3 Object Store bucket or in the file system (in a persistent volume).
+
+* For each stored file, a file publish message is sent to a Kafka topic for further processing.
+
+Supported file transfer protocols are:
+
+* SFTP
+
+* FTPES
+
+* HTTP
+
+* HTTPS
+
+
+The service is implemented in Java Spring Boot.
+
+.. image:: ./Architecture.png
+ :width: 1000pt
+
+This product is a part of :doc:`NONRTRIC <nonrtric:index>`.
+
+**************************
+Input File Ready VES Event
+**************************
+
+Here follows an example of the expected input object:
+
+.. code-block:: javascript
+
+ {
+ "event":{
+ "commonEventHeader":{
+ "sequence":0,
+ "eventName":"Noti_RnNode-Ericsson_FileReady",
+ "sourceName":"5GRAN_DU",
+ "lastEpochMicrosec":151983,
+ "startEpochMicrosec":15198378,
+ "timeZoneOffset":"UTC+05:00",
+ "changeIdentifier":"PM_MEAS_FILES"
+ },
+ "notificationFields":{
+ "notificationFieldsVersion":"notificationFieldsVersion",
+ "changeType":"FileReady",
+ "changeIdentifier":"PM_MEAS_FILES",
+ "arrayOfNamedHashMap":[
+ {
+ "name":"A20220418.1900-1915_seliitdus00487.xml",
+ "hashMap":{
+ "fileFormatType":"org.3GPP.32.435#measCollec",
+ "location":"https://launchpad.net/ubuntu/+source/perf-tools-unstable/1.0+git7ffb3fd-1ubuntu1/+build/13630748/+files/perf-tools-unstable_1.0+git7ffb3fd-1ubuntu1_all.deb",
+ "fileFormatVersion":"V10",
+ "compression":"gzip"
+ }
+ }
+ ]
+ }
+ }
+ }
+
+
+***************************
+Output File Publish Message
+***************************
+
+
+Below follows an example of an output File Publish Message. .
+
+.. code-block:: javascript
+
+ {
+ "productName":"RnNode",
+ "vendorName":"Ericsson",
+ "lastEpochMicrosec":151983,
+ "sourceName":"5GRAN_DU",
+ "startEpochMicrosec":15198378,
+ "timeZoneOffset":"UTC+05:00",
+ "compression":"gzip",
+ "fileFormatType":"org.3GPP.32.435#measCollec",
+ "fileFormatVersion":"V10",
+ "name":"5GRAN_DU/A20220418.1900-1915_seliitdus00487.xml",
+ "changeIdentifier":"PM_MEAS_FILES",
+ "objectStoreBucket":"ropfiles"
+ }
+
+
+*************
+Configuration
+*************
+
+The DFC is configured via its application.yaml
+
+
+An example application.yaml configuration file: ":download:`link <../config/application.yaml>`"
+
+
+
+