Seperate the Data Landing Zone and Data Process Zone by using seperate VPN .This will reduce the external world security threats. Also Landing zone could be use for the Data upload as well as Data Download zone.
Data upload : Where customer can upload their data
Data download: Where customer download the processed data
Data upload : Where customer can upload their data
Data download: Where customer download the processed data
![Picture](/uploads/4/3/1/5/43157771/vpnseperator_orig.jpg)