A graph representation of AAI object relationship is here https://hotlib.github.io/ 
>curl -v -u AAI:AAI -k -X GET -H 'X-TransactionId: fsdh' -H 'X-FromAppId: local' -H 'Accept: application/json' https://aai1_ip:8443/aai/v11/examples/zone |python -m json.tool
Tip: AAI2 needs to be started before AAI1. If AA2 is restarted, you have to manually restart AAI1
Tip: Postman can't connect to AAI1 server
Note: if Postman can't connect to AAI, it may be caused by SSL certificate issue. Try to paste the URL to Chrome browser and proceed to accept. Then start Postman from Chrome->Apps on bookmarks bar.
Tip: Postman query fails to get any content from AAI
Rerun "demo.sh init" on robot VM