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-# pnf-simulator
-Generate VES event related to PNF integration.
+# PNF Simulator
+Simulator that generates VES events related to PNF PNP integration.
+
+##Downloading simulator
+Official version of simulator can be downloaded for public ONAP docker registry as image.
+*docker login -u anonymous -p anonymous nexus3.onap.org:10003*
+
+Another option is to checkout PNF Simulator project from ONAP Git repository.
+
+##Usage of simulator
+
+###Configuration
+The configuration for simulator is stored in */config/config.json* file. 
+It contains all parameters for simulation such as duration time,interval between messages and values of the configurable fields of VES message. 
+If you want to change duration or value of message sending to VES collector you just need to edit this file. 
+The message that is being sent to VES is built inside the simulator and it's content can be found in log of the simulator. 
+
+###Running simulator   
+The recommended way is to checkout PNF Simulator project from ONAP Git repository and use *simulator*.sh script
+If you copy *simulator.sh* script to another location, keep in mind to copy also *docker-compose.yml* and directories: *config,json_schema and netconf*.
+In order to run simulator, invoke ./simulator.sh start
+Script downloads if necessary needed Docker images and runs instances of these images.
+
+###Logging
+It is possible to get access to logs by invocation of *./simulator.sh* logs. 
+The content of the logs is related to the last simulator run. 
+Every start of simulator will generate new logs. 
+
+###SFTP support
+PNF Simulator allows to serve files via SFTP server. SFTP server has predefined user sftp-user. 
+Connection to SFTP server is being done with usage of SSH keys. Private key is stored in *ssh* directory.
+In order to download *sftp-file.txt* file simply run *sftp -P 2222 -i ssh/ssh_host_rsa_key sftp-user@localhost:sftp/sftp-file.txt*
+In order to add a new file (e.g. test.zip), put the file into *sftp* directory and run simulator.
+After that again execute sftp command: *sftp -P 2222 -i ssh/ssh_host_rsa_key sftp-user@localhost:sftp/test.zip*
+
+###Developer mode
+For development of PNF Simulator, run *simulator.sh* start-dev in order to run Netopeer.
+After that it is possible to run PNF Simulator from IDE.
+
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