What is VPN?
Private Network (VPN) utilizes public internet
to establish a secure private channel
with another network. It is a technology combined
with tunneling, encryption, authentication and
access control. VPNs are widely used by enterprises
to create wide area networks (WANs) that span
large geographic areas, to provide site-to-site
connections to branch offices and to allow mobile
users to dial up their company LANs.
functions and advantages
a VPN client, users can access resources on their
private network from anywhere,
anytime via the
and decryption ensures that there is a secure
also simplifies network management, allows control
of resources and its sharing in the network.
is cost saving by eliminating the need of a lease
lie. Even from different sites, VPN makes them
look like they are under the same Local Area
Network. This will also save cost on long distance
when Voice of IP is used.
Virtual Private Network (VPN)