381
In Figure 10.2, the routers are congured as the endpoints of the VPN connection.
e VPN routers connect the Internet to the local area networks. rough the VPN
routers, the data on the Internet can be forwarded to the local area networks.
By using a VPN on the Internet, there is no need to develop a WAN to connect
multiple sites. e operation cost can be signicantly reduced. e Internet also pro-
vides worldwide connections. With a site-to-site connection, a private cloud can be
integrated into Microsoft Azure to form a hybrid cloud. e hybrid cloud can leverage
the best of both worlds.
Before a secure connection can be established between two endpoints, the end-
points need to agree on a contract of how they will protect ...