said by cdru:Or it could be people working that need to use a VPN to connect to a corporate network. said by JamesJohnstn :
What does the category in this chart "tunneling" mean?
Most likely VPN tunneling, largely for P2P masking the users real IP. Also use to make yourself appear in a different location for geolocation purposes. Some streaming services require you to be in a particular country to use them, or to not be in a country.